What Is A 428 Pontiac Engine Worth - 1969 Pontiac Lemans For Sale 27 Used Cars From $2,060.

We build them all, from 1955-1979, factory restorations, mild street engines to high power race engines. Hi Goats, I recently received a 428 block & heads from a lost friend's wife, its been apart for decades in the corner of the garage, doesn't look the greatest but my question is how much surface rust is too much and would it be salvageable. Can you buy pistons for a 428 bored. That said, I have seen several blown up Pontiac engines due to rod failure, 95% of the time, the 'big journal' 421-428-455's, as they are much more vulnerable to bottom end failure. Pontiac Valve-Seat Angles Most regular-production Pontiac engines produced during the '60s utilized 1. craigslist ri providence The induction system of a Pontiac V-8 typically consists of a carburetor and intake manifold. The heads on Bugbee's car are devoid of casting numbers, highly unusual for a high-performance Pontiac V-8. On the road, up to 60 mph about 170-180 F. 20- 2 bar carb 600rpm, 4 bar carb 650 rpm. In 1968 there was 375hp and 390hp available, and in 1969 you could go 360, 370 or 390hp off of the menu. Values Reference Profiles Exotics Order MENU 1969 PONTIAC FIREBIRD 350-265hp (8cyl-2V) AT #4 #3 #2 #1: 2dr Cnv :. I can see $1,200- $1,400 for the low performance version as a reasonable number. The only non-traditional Pontiac V8 engines were the 301 cu in (4. So now my 428 build had gone to a 461. nms organic frigate Sep 15, 2022 · This 2+2 was optioned with the High Output 376-hp 428 backed by a four-speed; with fewer than 23,000 original miles, it’s only needed regular maintenance. However, manual transmission Bonnevilles came with the same 8. 050-inch intake duration, but it’s not unusual to find peak performance of a similarly- sized modern high-RPM race engine with 250 degrees of. There were over 112,000 Grand Prixs built in 1969 and most of them came with the 400 cubic inch engine. This is a block that we bought in a lot, from a engine machine shop. new molly rings, recondition rods, new rod and main bearings, cut and polished 455 crankshaft, more torque with the longer stroke. Chrysler was jamming 413s in stuff, Chevy had their mid-horspower 396 engines moving most of their stuff along, and Pontiac had the 428. View all listings Notify me about new listings. Tempest, Custom S and Le Mans; Buick GS 350; W-31 350 Olds and the Ford 428 CJ Cobra and Cyclone CJ 428 prospered at the …. The Pontiac 400 has a displacement of 400 cubic inches (6. AmericanListed features safe and local classifieds for everything you need! States. Expect to spend $800 or more for a complete kit, and if you plan to use a lip-type rear main seal, you might consider installing it backward, which …. ath720 bush hog There is no harder work than pumping water. The Pontiac GTO had been such a success that the model became its own series in 1966 and the body was significantly revised to the familiar "coke bottle" shape, with curving lines and minimal brightwork. Then Pontiac started playing the “switch-m” game with the 1967-69 428 cranks and pistons. For reference, the 1998 Pontiac Firebird originally had a starting sticker price of $20,380, with the range-topping. Aug 2, 2023 · My car is runnig up to 210 F when in trasit. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Pontiac V-8S 326 301 350 389 400 421 428 455 Engine Max Performance Manual (For: Pontiac) Opens in a new window or tab. It also had a factory rating of 370 horsepower and 445 lb-ft of torque when found in the 1969-1970 GTO and the 1969-1970 GTO Judge. Pontiac cranks are generally categorized and referred to by main journal sizing. Mar 12, 2023 · The biggest engine offered in this car at the time was the 400 cu. There was also a 280 horsepower version inside the Bonneville and Catalina, and it still made a solid 455 lb-ft of torque. The 1969 400/428 #46 heads have 1. 53 F100, Volare clip, 4 wheel disc 390-wide ratio toploader (428 on the build) bosscougars. But, I would pull the pan and check and even pull off a center main to see if it is drilled/tapped for 4-bolt mains as this is. So, if this is correct, then this #46 428. Pontiac advertised the Tri-Power 389's output as 358 hp at 4,900 rpm/428 lb-ft at 3,600 rpm. I always thought all 428`s were 4 bolt main except the common `69, YH, …. The 455 SD is not the most powerful engine Pontiac built, due to lower compression. 350 - 400, 428 & 455 V8 ENGINES. 00 item 3 New Brass Freeze Plug Set Fits Pontiac 326 350 389 400 421 428 455 V8 Engines New Brass Freeze Plug Set Fits Pontiac 326 350 389 400 421 428 455 V8 Engines. 6 liters), while the Pontiac 455 has a displacement of 455 cubic inches (7. The Pontiac 400, which was introduced in 1967, perfectly exemplifies that because this engine was just a bored out version of its 389 V8 — which had been around since 1959 and become the company. Unless, your lucky, a good 400 or 455 block will cost $400-$600 or more. The Pontiac V-8 uses a bolt-on oil filter adapter, and the type most hobbyists are familiar with comes in two distinct versions. DCI Motorsports is no stranger to the most rare Pontiac combination. 5 hour drive away, but he has a seriously good reputation and following. This Bonneville has the optional 265 hp 400 2bbl. ** Use sheet stainless steel block off plate. 1969 Pontiac 428 YH code Engine Block -Casting Number 9792968 -Code YH -Date A289 Jan 28th 1969 -Block Does have a Vin # located on it. Pulling the pan is the only way to be sure, but I'm betting it's a 2-bolt main engine. The 421 Super duty has smaller valves ( 2. From 1950–1958, the Catalina was only available as a trim option for the Pontiac Chieftain, Pontiac Super Chief (from 1954 on) and Star Chief. 66-inch-diameter intake and exhaust valves. VEHICLE TYPE Front-engine, rear-wheel-drive, 4/5-passenger sports sedan. Most aftermarket aluminum castings flow anywhere between 260 and 330 cfm. ortho home defense max bed bug killer reviews It is also the SAME rod used in all other full-sized Pontiac V8s. now some gear heads out there are going argue, but this remains a fact. As the V-8 continued to develop, Pontiac replaced the 428 with a 455-cubic-inch engine for the 1970. Complete Pre-Run Crate Engines: At Nitemare Performance, we only build and modify classic Pontiacs with traditional Pontiac engines - especially the legendary 389, 400, 421, 428 and 455 cubic inch V8s produced from 1964 through 1980. (V8) - Stamped on right front side of block or beneath. With just a single 4-bbl carb, this max-effort engine took the world record for a normally aspirated traditional Pontiac engine, cranking out an astounding 1,219 hp at 8,100 rpm. lds church finder 65-to-1 rocker arm ratio to give it high valve lift without excessive acceleration of the lifter-pushrod mass. You have to remember cam choice is not really a function of engine displacement as it is compression ratio. 6 L) one, and the 421 cubic inch plant was replaced with a 428 cu in (7. A pair of Carter four-barrel carbs sat atop an aluminum intake for duty at the drags. The 428, like the 421, is desirable because they come stock with 4-bolt mains. On 1968-69 428 blocks you will find "428" stamped between the freeze plugs. They are usually stamped on the machined pads by the valve covers. The dish pistions we found in Dallas Texas are made using new technology with teflon impregnated alluminum. Pontiac planned on building the Ram Air V in four displacements: 5. If it's to be a "driver", compression needs to be lowered to use "pump. There were many overdue improvements. Combine one of these SJs from 1969 with a four-speed. Have been shopping for a 400-455 engine to replace a 301 engine in my 79 T/A and stumbled across a late 60s Pontiac 428 HO 390 HP engine. Horsepower: Cubic Inches: Trans: Code: Compression: Cam: Heads: Carb: Year: 215: 389: M: 02B: 8. cam specs out at 215/225-degrees duration at 0. Estimated Ship Date: May 20, 2024 if ordered today. 6 (281) 2 valve non phaser Modular engine. The Pontiac V-8 uses a positive displacement oil pump to pressurize the lubrication system and disperse oil throughout the engine. The year 1971 was a difficult one at GM because the corporation decided to lower compression on its engines a year earlier than the government mandate. The 428 is a 421 bored out to 4. The 1969 Pontiac 428 engine was a powerful V8 engine that was widely regarded for its performance and reliability. Most bored it over to produce 440CI. Values Reference Profiles Exotics Order MENU 1979 PONTIAC FIREBIRD 301-140hp (8cyl-2V) AT #4 #3 #2 #1: Esprit 2dr Htp : 5700: 12550: 18700: 27900: 2dr Htp : 5250: 10950: 16100: 24300: Formula 2dr Htp : 5850: 13000: 19300: 28800: Add: 350-165hp (8cyl-4V) 5%:. What is it worth? Thinking of selling it. If it's an SJ and that's the original engine in it, chances are it's a 4-bolt main. Sales, Installation & Repair for over 30 years. install ring floodlight cam wired pro The 1971 and 1972 Trans Ams outpaced the late-debuting 1969 T/A's 697 units, but not the 3,196 total of 1970. It is a basic version used in everything with a 429 from station wagons to trucks, and a good candidate for building, but the value is relatively low due to them being everywhere. This includes all five Ram Air engines, Super Duty engines, and HO Pontiac engines too. rockland coaches bus 45 schedule 030 overbored 428, it's the same diameter as a standard 455, so with a stock 455 crank, you'd be at 455 cid. inanimate insanity teams It was based on the familiar Pontiac V8 family architecture which made it reliable along with providing very good horsepower and torque numbers. item 2 PONTIAC 428 YH 1969 Hi Performance Balanced Engine FREE professional crating and PONTIAC 428 YH 1969 Hi Performance Balanced Engine FREE professional crating and $12,000. FORD FE BIG BLOCK 390 450 HORSE CRATE ENGINE PRO BUILT NEW 351 408 427 428 $6,990. Ford 351 based 427CI engine, 450HP/520TQ for $8,639. Here's more help to find the engine displacement. 1968 - 400 Ram Air I and 428HO Code 37" Ram Air I and. 0L/428 Engine Rebuild Kits and get Free Shipping on Orders Over $109 at Summit Racing! $5 Off Your $100 Mobile App Purchase - Get the App. For another $274 buyers could get the 325-bhp 400 model with twin scoop hood, heavy duty suspension and red line tires. Despite being out of production for over 30 years, the aftermarket continues to provide strong support for the Pontiac V-8, and there are numerous sources of detailed information on …. Right now all I have done is added headers, msd ignition, and a 675 quick fuel carb. 00 item 3 New Brass Freeze Plug Set Fits Pontiac 326 350 389 400 421 428 455 V8 Engines New Brass Freeze Plug Set Fits Pontiac 326 350 389 400 421 428 455 …. The 428 represented the engine. Willing to trade full for a newer truck same value or partial trade with cash. air conditioning, power windows, power door locks, cruise control, power steering, tilt wheel, am/fm stereo, cd Cars Fort Worth 8,795 $. It was a credit if you didn’t want the standard 360hp 428 4bbl. Jan 16, 2012 · A "stock" 428 rod is a casting, not a forging. Forged Pro Pontiac 4340 Forged Steel H-Beam Connecting Rod, 6. The first V-8 engine that Pontiac offered was in 1932. Even the SJ model pushed big numbers; over 10,000 sold. Add a one-line explanation of what this file represents. The engine runs hot at slow speeds and there is a occassional backfire through the carb. A Pontiac engine equipped with a camshaft with greater overlap will still produce its strongest vacuum signal during coast down, but the value would be substantially less than a stock engine under. After 1969, the 428 was replaced by the 455, which went on. But if it's the original engine for your car it's worth a lot more than that to you in the future. Buy crate engines for sale at low prices. A well built Pontiac 350 or 400 is a good runner for the street. The 1969 Pontiac Farago CF 428 was the result of John Z. Peak horsepower for this VE curve occurs at 2800 fpm MPS where VE = 0. However, several versions of a high-output 428-c. These engines were available in the following cubic inch displacements: 326, 350, 389, 400, 421, 428, and 455. Interestingly, it was also featured in NASCAR cars. 65-to-1 rocker arm ratio to give it high valve lift without excessive acceleration of the lifter …. The change from gross to net horsepower ratings. The early 287-370 engines used smaller main journals, with the first two utilizing 2. Beswick recommended a Royal Bobcat 428 GTO. Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Make/Engine Search Departments; Brands; Savings Central; Contact Us; 1-888-501-9619; Help Center. Thanks to wikipedia for some details. 033), for Most 1969 69 Pontiacs. The C represented Coggiola while the F represented Farago. For 1963, Pontiac boosted the compression ratio from 11. By following the recommended engine oil specifications and service intervals, you can keep your Pontiac 428 running smoothly for. But again, you're not gonna get a NEW Pontiac long block for $1800, like you can a 350 Chevy. This '69 Bonneville is a one-owner, driver-quality car that may need some work on its big-block 428 cubic-inch engine. The bore is the same as the 400 at 4. Your SCJ engine is worth around 4 to 5 grand if it's in the condition described. 0L/428 Pontiac V8 Belts & Pulleys and get Free Shipping on Orders Over $109 at Summit Racing! Use your Summit Racing SpeedCard today, and get up to 10% back - Get Details! Vehicle/Engine Search Vehicle/Engine Search Make/Model Search. The 428 pistons produce well over 10. Here in the Charlotte area, they go for about 2K, maybe 2. 1978 W72 400 Trans Am, 1965 Tri-power GTO, 1969 Ram Air IV GTO Judge, a 1973 Super Duty 455 Trans Am, or a 455 for a …. There is no arbitrary "safe" compression ratio. For this model it provides power and torque figures of 375 bhp (380 PS/280 kW) at 4800 rpm and 640 Nm (472 lbft/65. 23 rear axle was a special-order option. The Bonneville (marketed as the Parisienne in Canada until 1981), and its platform partner, the Grand Ville, are some of the largest Pontiacs ever built; in station …. In 1967 there was a 360 and 376hp version. Because it was designed for larger cars, it had a tank that could hold 26 gallons. There was also a newly standard 400-cu. In 1973 Pontiac started stamping extra numbers (1/4" tall) on their heads. 3 compression range with a zero deck. These are good engines with potential. The 1968 Pontiac GTO received hidden headlights and an energy absorbing body-colored polyurethane front bumper. The original base price for a 1974 Pontiac Venture was $12,700. So is the more common, cheaper to build 400. Here is a profile of the 1965 Pontiac Tempest GTO, with photos and specifications. I believe with some machine work, a 455 crank in a 400 block ends up as a 428, which makes for a nice Poncho street engine. In the original 1967 version, the 428's closed chamber cylinder heads had a 14-degree valve angle. Also, many people want to know, what is a 426 Hemi engine worth? Original 426 Hemi engines are worth from $15,000 to over $30,000. As time goes on, these engines become increasingly scarce, making them highly sought after by collectors and enthusiasts. Fourth-generation Bonneville’s were built between 1965–70, based on the B-body platform shared. Mar 17, 2024 · The 1967 Pontiac 428 engine was a powerful V8 engine that was part of the Pontiac’s lineup during that era. You must find the date code at the back LH side of the block first. The cross-bolted main bearing caps and oiling improvements were missing. The other camshafts listed have. Enlarging the "dish" in the 428 piston is a fairly simple solution. Whether your vehicle is a GTO, Fire Bird, Trans Am, Lemans, or a timeless classic, here at Proformance Unlimited we are here to help design and build the eng. The 428 was Pontiacs top engine for 3 short years- 1967-9. This 1969 Pontiac Grand Prix SJ in Trafalgar, Indiana perfectly suits the vision of Pontiac’s then-GM John Z. They were designed for 100 octane fuel, cheaply and readily available in the '60's. I am concerned about the quality of the engine build. A well-preserved, low-mileage engine with original components and a unique historical background will likely command a higher price in the market. Engine blocks are cleaned then magnafluxed to check for cracks. The 428 Pontiac engine is an 8-cylinder engine that was produced by the Pontiac division of General Motors from 1967 to 1976. Jump to Latest Follow I have a 69 bonneville with a 428 in it and it has # 16 heads, I asked what factory h/p rating a 428 with # 16 heads had. Stock Pontiac cast rods usually have a twist in them which must be corrected by parallel grinding the cheeks of the big end. One places the filter at about a 70-degree angle from the block (left) while the other places the filter at a 90- degree angle. Jun 5, 2021 · I can see $1,200- $1,400 for the low performance version as a reasonable number. Guessing that a good 428 or 455 block might not be worth more than maybe $600, unless it was some rare 455 HP number. Save up to 5% when you buy more. The Grand Prix 428 is a rear wheel drive coupé passenger car with a front positioned engine, sold by Pontiac. – Viscosity: The recommended viscosity for the 428 engine was 10W-30. The 389 cubic inch plant was replaced with 400 cu in (6. This car was in several magazine layouts and was a real jem back then. factory code f yorktown blue metallic. Standard bore 4-bolt main 428 code XF and block casting number 9792968 This 428 has been completely disassembled, cleaned, measured and inspected than reassembled and now sits on an engine stand. If your going with a fresh rebuild pretty any large valve screwin stud head can work. I will be using roller rockers and likely an Edelbrock Performer RPM intake. It proved to be efficient, reliable while provided incredible power and torque. /Ram Air III and 400 Ram Air IV engines were each underrated at 330, 335 and …. And there are some exotic heads, like the RAV's and others. COMP Cams XE268H camshaft Ohio Crankshaft Hedman Hedders 28150, ceramic …. Use the part (engine block or cylinder head) date code to identify the model year. 030 428, TRW forged pistons with 13cc dish, forged SD455 rods and un ported 1968 16 heads. When Pontiac developed its V-8, the crankshaft was engineered to provide a long and reliable service life. Browse search results for pontiac 428 engine for sale in Fort Worth, TX. Advertisement Advertisement Please. The letter is the month of manufacture- A=Jan. Generally speaking, a typically modified 467-ci Pontiac street engine might perform best with 230 to 235 degrees of. 407″ lift on both intake and exhaust (. The 1963 421 #9770488 and the 1964-66 421 #9783787 crank is Armasteel. You got a choice of a regular-fuel low-compression 2-barrel carburetor V-8 or a 290-hp 400-cid V-8 as standard engines. 21" stroke and will be harder on the entire driveline, which you don't want with a manual trans setup. It’s on a 117 lobe center and the lift numbers are 1. The six-barrel Tri-Power carburetor. michigan ragdoll breeders Just a new aftermarket Pontiac block alone costs more than the new $1800 sbc longblock. A WT block would be about $1000-$1500. 69 GTO convertible's been sitting for 7 years. Edelbrock 41303 Classic Series Valve Cover Set, Aluminum, Pontiac V8. 1967 - 400 Ram Air or 428 Code 670. Registered: 17 years ago Posts: 8. "I wanted the performance-oriented SJ package because it contained the 428 engine, and I opted for the 428 H. Thanks to Ron for this unique tip. Edelbrock 35980 Pro-Flo 4 EFI Kit, 326/455 CI Engines. For reference, the 1994 Pontiac Firebird originally had a starting sticker price of $16,735, with the range. Water Pump to Cover: Engine Oil: 10 ft-lbs. 5″ mains and the 347 and 370 using 2. And since the 428 didn't come in an A-body or F-body, there are not many guys restoring 428 cars. i think the 428 is worth more so it could fund the 455 build. Also, beware that collectors may charge well beyond that …. This is a piece of metal in the shape of a triangle or pyramid that sticks up off of the top of the block on the rear passenger side. Fourth-generation Bonneville's were built between 1965-70, based on the B-body platform shared. This powerplant features overhead valve valve gear, a 90 degree V 8 cylinder layout, and 2 valves per cylinder. A guy has offered me a 67 Thunderbird Q code with the original 428 PI for $3,000, but I really don't want the car, just the motor. The Pontiac 428 was introduced at the same time as the Pontiac 400 V8 in 1967 and used primarily in the Grand Prix, but also for the legendary GTO and Firebird models. This is why Pontiacs don't "like" more than 34 degrees total timing with "stock" heads. In every respect but one (see below), it was the same engine as the 335hp standard GTO engine. Contrary to rumors and some magazine articles, the SD-455 did not have a unique color. 45 + head cc (this is assuming 6cc for valve relief, 9. thick wide-area washer and an extra tall 12-point head that accepts a deep socket to eliminate the fear of stripping the head. 6: 111: 543796: 2: 64: 215: 389: M: 02B: 8. The calendar on the wall shows it’s 6/6—close enough to Pontiac’s iconic “6. but I got no reply, I am thinking it has a 390 h/p rating, altho I could be wrong, bill. Let’s take a closer look at its specifications …. And most of the “Z” coded blocks are also auto. To celebrate the workhorse Pontiac V-8 (sorry Olds 403, today’s not your day) we’ll highlight some of our favorite applications of the. It is a '60s Fiberglass Trends hood scoop that is molded to the hood. Just my opinion ,i think that was a better built engine that the 425-430 buick -421-428 pontiac engine. The Pontiac GTO had been such a success that the model became its own series in 1966 and the body was significantly revised to the familiar “coke bottle” shape, with curving lines and minimal brightwork. The amount you can expect to pay if you buy a Pontiac from a dealer. Pontiac's 389- and 421ci V8s were steadfastly popular and. What is a 1969 "XF" 428 4 bolt main engine with #62 heads worth these days? _____ 1971 Pontiac GT-37 Car is a junk yard dog and maybe one day will be restored. The 2+2 returned as an option for the Catalina, but now with a new standard 428 rated at 360 horsepower backed by a three-speed manual. Here are the engine oil specifications for the Pontiac 428: – Oil Type: The recommended oil type for the 1969 Pontiac 428 engine was conventional mineral-based oil. No muscle car promised more performance, or had more trouble delivering it, than the star-crossed 1969 Ford Mustang Boss 429. What is a 1969 "XF" 428 4 bolt main engine with #62 heads worth these days? _____. by Geoff2 » Sun Mar 28, 2021 5:00 am. Oil Pan: Engine Oil: 12 ft-lbs. V-8, and ended not much further up the line with a 376hp, 428-cu. The Pontiac 400 cubic-inch V8 engine was a big hit with Pontiac buyers when it was released for the 1967 model year. The 428 was one of the “long journal” V8 engines that. displacement numbers cast into block on driver's side near the front freeze plug [you should also look on the opposite side too--check photo] 428. Pontiac Engine Production Casting Numbers ; 1955 Displacement: Casting Number: 287: 518037: 1956 Displacement: Casting Number: 317: 521560: 428 (4 Bolt) 9792968: 1969 Displacement: Casting Number: 350: 9790079: 400: 9790071: 400 Ram Air IV (4 Bolt) 9792506: 400 Ram Air V. All chamber sizes should not be assumed but cc'd to confirm the chamber size. 00 inches, leading to a new 428-cubic-inch version with 360/376 horsepower. Here are the key specifications of this legendary engine: Engine Type. 060 over? Is is ok to bore this much on a 428? Will the engine over heat or will you have to have custom pistons made. Cam Sprocket/Timing Gear (upper) Thread Locker: 45 ft-lbs. Under the hood, we find what really makes this Grand Prix special. It came out of a wrecked car and has around 90K on it and will need to be rebuilt. Pontiac Serpentine System w/ Alternator Water Pump Power Steering Pump Belts V8 (For: Pontiac). I run a 455 4 bolt main engine with 70 RA IV heads & a 66 Tri Power Intake combo. 6 55-60 INT MAN 538177 61-62 389 62 D-Port 1. " 428" located on driver's side near the center between the freeze plugs. It’s supported by five large main journals and uses large counterweights to maintain …. The large valve 1967 and up heads require a larger bore so the valves do not hit the cylinder wall nor become shrouded by the cylinder wall. I know there are people who can rebuild/supertune this (though I've read 67 Quads have a design problem with float pressure on needle. It is guaranteed to be free of cracks and guaranteed machinable. A 400 Pontiac is not a torque maker. The 428 has remained one of the favorite Pontiac engines for racers and hot rodders and, are always one of the most sought after for a build up. Total cost of the engine build was under $500- the engine and trans was a net cost of $126- $626 for the lincoln, and we sold the drivetrain- . (931) 762-4596 or toll-free (866) 762-7527. engine, synchromesh 4-speed transmissions, and the Safe-T-Track limited-slip differentials. Fully blueprinted, GM crank, performance rods, forged pistons, hydraulic roller cam, Stage 2-ported iron heads "455" Hydraulic Roller Cam Stroker: from $18,000. Prices shown are the prices you can expect to pay for a 1967 Pontiac GTO 2 Door Hardtop across different levels of condition. The engine was the pinnacle of Pontiac engine development and was a strong performer that included a few race-specific features, such as provisions for dry-sump oiling. The 1968 Pontiac 428 engine was a true powerhouse, delivering impressive performance and reliability. As far as the bigger Pontiac engines are concerned, the 428 is somewhat lost between the 421 from Pontiac's racing heyday and the massive 455. minibike wheels and tires That means only one in 428 applicants end up with. rule 34 roxanne wolf 12″ and it has the same 4″ stroke that the 421 did. vince and joes weekly ad Pontiac offered 2 different oil pumps, one having 40 PSI on the non-high performance cars and the 60 PSI pump for high performance engines like the GTO or HO 428. Bore: Finished cylinder bore size, in inches that pistons are designed to work in. I finally decided I was tired of idiot lights and installed a three guage cluster (oil, temp, and volts) under the dash. Pontiac never put a 326 into a GTO. That made the 400 the top engine in Firebird and GTO for many years as it received a wide range of high-performance cylinder heads and. In 1954, General Motors leaned heavily on Chevrolet and Pontiac to develop V-8 engines for the 1955 model year and provided them with all available resources to ensure success. Furthermore, any historical significance or provenance associated. Sep 14, 2015 · In stock form, the 428 is fine. A Pontiac fan didn't want an Olds or a Buick. The basis is a factory 400 block typical of those fitted to an original muscle Pontiac. GRP can produce rods for engines with much more horsepower on a custom-order basis. The Pontiac Bonneville Hardtop 428 is a sedan/saloon with 4 doors and a front mounted engine which delivers the power through the rear wheels. This 630hp Pontiac 428 Is A Rip Roaring Example Of Tin Indian Horsepower! In the 1960s car companies had “big car engines”. The 1967 Pontiac GTO was offered in three body types; coupe, hardtop and convertible. #4 #3 #2 #1: 2dr Cnv : 9200: 19000: 27000: 40000: 2dr Htp : 7350: 14300: 21200: 32500. Unlike Chevrolet there is no Pontiac big block or small block. Weighing about 200 grams less than a similar steel unit, the GRP custom connecting rod for a Pontiac engine turns up to 8,500 rpm and produces as much as 1,200 naturally aspirated horsepower or up to 1,800 with a power adder. The car’s current rolling stock consists of Firestone LXX wheels and. built with the RA V engine installed. The Pontiac 400 cubic inch motor (made between 1967 and 1979) is still a great platform for a high-performance daily driver. There were 11 different Pontiac V8 engine options for 1966, starting with the 326-cid 250-hp Tempest base V8. Interstingly, the 400 & smaller engines use the. (The engine codes were stamped on the front block - left side, which is an excellent way of knowing the motor size your classic Pontiac has). What is a 1969 "XF" 428 4 bolt main engine worth? Pontiac - Street. V-8 at 360 horsepower (or 370 in the station wagon). The '69 rides on a cloud thanks to the rear factory Automatic Level Control air-ride system with AC Delco air shocks. No-one seems to even recognize that Pontiac ever produced a 428. A drag race engine in a top class with 6 percent leakage would be considered needing a re-ring, but the same value on a road race engine would be fine. A pair of Carter four-barrel carbs sat …. tinindninkc # Pontiac's are slow RPM engines, the 421, 428, 455 cranks will rev slower than the 400 & smaller engine. Mar 27, 2016 · A decent set of aluminum heads should help with the detonation. I knew piston and rod broke (dropped valve), but #6 cylinder is cracked in two places (fore ~1/8" and aft ~1mm) about 3 inches from the bottom of the bore. Cleaned, magnafluxed & ready to ship. I also believe the 400 piston differance is where the rod is installed on the piston. duromax 18hp engine On engine blocks, this code is usually located on the top center of the block, near the distributor. K&M Performance produces two aftermarket Pontiac V-8 blocks. engine was lost decades before, Mike searched for a suitable replacement. The bore -- the width of the pistons -- changed, but the stroke, or the distance the piston travels, did not change. As far as the bigger Pontiac engines are concerned, the 428 is somewhat lost between the 421 from Pontiac’s racing heyday and the massive 455. Pontiac advertised the Tri-Power 389’s output as 358 hp at 4,900 rpm/428 lb-ft at 3,600 rpm. “This particular cam is 283 @ 50 on the intake and 304 @ 50 on the exhaust. The 8 cylinder, overhead valve naturally aspirated engine has 2 valves per cylinder and a capacity of 7 litres. A 1969 Pontiac Grand Prix with a 428 cubic inch V8 was appropriated for the project. Get the best deals for pontiac 455 complete engine at eBay. Pricing for such a rare car can be a crapshoot, but popular pricing guides place the value of a wagon at $16,000 on the low side and $40,000 on the high side, with the …. All makes and models available. A 455 is a no-brainer to make 400 horsepower. In 1970, the Bonneville got an engine upgrade to a 10. Little more to it than that but it gives you a better winding *****. The least powerful engine was a 400-cid V-8 at 265 hp, but most cars were delivered with the standard 350-hp 400-cid motor. Of course, Royal Pontiac didn't settle with the factory rating. This article will list the sales of. 5 L) Pontiac V8: Transmission: 3-speed manual The Pontiac Executive is an automobile model that was produced by Pontiac Mechanically, the Executive was virtually identical to the Catalina, sharing similar standard and optional V8 engines starting with the base 400 CID V8 with two-barrel. It's worth as much as someone is willing to pay factor in what it cost to rebuild- parts and labor and what the original core was worth and you'll be fairly close. item 6 Clevite MS-667P-10 1963-1976 Pontiac 421 428 455 8 Cyl Engine Main Bearing Set Clevite MS-667P-10 1963-1976 Pontiac 421 428 455 8 Cyl Engine Main Bearing Set. The basic 421 became a regular production option in 1962 and the 421 H. The standard engine could yield 335hp @5200 rpm with a torque of 431@3200. Phone: 480-285-1600 Email: [email protected] Address: 7400 E Monte Cristo Ave Scottsdale, AZ …. 25-1 compression and plenty of 12 sec 455 build combinations in back of book by some of the best Pontiac engine builders, and most are on this forum. These lifts are measured with a 1. The original 1963 326 engine is really a 336. This engine features a very PUMP …. The 1964 Pontiac Tempest GTO lit the fuse on the muscle car boom by giving the small-car, big-engine ethic a cool identity. For example, a 1974 model that's a two-door hatchback could range anywhere from $3,143 to $7,975. This is a Good Used GM Pontiac 428 CID Bare Big Block Engine Block, (GM Part Number 9792968, GM Group Number 0. Hi Goats, I recently received a 428 block & heads from a lost friend’s wife, its been apart for decades in the corner of the garage, doesn’t look the greatest but my question is how much surface rust is too much and would it be salvageable. 1969 Pontiac Grand Prix 428 - full technical specs sheet, including performance data, economy and emissions, dimensions, weight and engine particulars. " Developer Derek Franklin writes in to tell us about Whonu, his "discovery engine.