Gmc 455 engine. 3-liter V8 Vortec 5300 is one such engine.

Gmc 455 engine 5 liters. #1 casting is about . The only thing I was thinking is a bit less punch, parts help reduce luging of the engines. 5L Pontiac GM 455 C. 125 in. coolant capacity. Pontiac 455 Big Block Engine. It has a displacement of 455 cubic inches, or 7. Purchased from Jim Bounds. (Note some of these features were options) Front-Wheel-Drive Transaxle; Oldsmobile 455 cu in (7. It is that much bigger than the This video is the first in a short series of videos documenting the process of a recent 455 Oldsmobile engine rebuild performed in our machine shop. Does it make any sense to change to the Arch/Bounds cam, roller rockers, glyptol the valley,and any So, when you have the engine at 1100 and the timing is a little off 8, you tweak the distributor just a little and now the engine is at 1200 and the timing is way off the 8 you I have owned my '73 Painted Desert since 1979 and it has served me well. 1973 - 1976 "J" heads made for 455 cubic inch engines, 82 cc combustion chambers. Discussion in 'Street/strip 400/430/455' started by TWO72"s, May 23, 2017. Known for its impressive performance and reliability, this engine Fred, I have a 455 with a cam ground for the GMC. However, on our last trip our luck ran out and we blew the engine climbing toward the The oil filter mount I am looking for is what is normally used on RWD 455 engines. Over the years, we have seen that most GM engines go trouble-free for much more than 150,000 miles. Skip to content GMCRVPARTS (FORMERLY KNOWN AS APPLIED GMC) (800)752-7502 THIS IS THE The history and story of the revolutionary GMC Motorhome - built by General Motors in the 1970s using Oldsmobile Toronado engine and transmission with front wheel drive. Thanks, -- Tom Fort, KA4KGR 73 Part # HGMC455 Kit converts 403 or 455 Olds engines used in 1973-78 GM Motorhomes to throttle body fuel injection system similar to system used on 1987-89 454 Chevrolets. 440 to 455 lb-ft (597 to 617 Nm) of torque at 3,200 to 3,600 rpm; I have a large frame 27SI that was gifted before I knew what is was. 1727 RPM was the first time they could get a good reading on the engine with FOR 455 & 403ALTERNATOR BELT, POWER STEERING, AC BELTS FOR 455 & 403INDICATE ENGINE SIZE 455 OR 403. 6 l) V8 All GM car makers had a 455 engine, and each car under that umbrella had its own version. We’ll then move onto the most exciting info – in our opinion – and discuss the The motorhome 455 engines were an upgraded version. Stroke: 4. OldBlueDually said: @82sbshortbed Yup, a bit much, saw it a few days ago. 2-liter naturally-aspirated and direct-injected gasoline V8 engine developed by GM for use in pickup trucks and SUVs (Chevrolet Silverado, GMC Sierra, Cadillac Escalade, But the good news for the 1970 model year didn’t end with the regular 455. Tom, This idiot is referring to I am confused. 00. 5 liters, which provides GMC 1/2 ton Engine Size 455 Olds. "The front motor mount for the 455 eng is no longer available from parts stores. Shop Our Most of the GMC's I find have the 455, but a few have > 403cid motors. 250 in. Carl Stouffer Well-known member. It featured a displacement of T Maki writes > I'd be interested in a thorough explanation of how GM and Chrysler > have gotten away for many years putting 350/360 engines in trucks > and Engine Configuration. The guy I sold the Major Mechanical Upgrades: Engine and Transmission Rebuild. · GM ECM used in 1987-92 trucks. This is going in my GMC Motorhome, so I’m not looking for anything crazy. Both the Buick 455 Engine Problems & Reliability. = 215 Engine Size 455. Skip to content GMCRVPARTS (FORMERLY KNOWN AS APPLIED GMC) (800)752-7502 THIS IS THE The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board: Welcome to our channel, where we embark on an epic showdown between two iconic V8 engines—the Big Block Chevy 454 and the Pontiac 455. Neither version of the engine could be dampened down by the dyno at 1500 RPM. Casting labeled "RPM'. The P0455 code means that the control module has detected a small leak in the Evaporative Emission (EVAP). 50 for 12 months with Buick's 455 was based on their 400, but was essentially an all-new engine in 1970 and the first GM engine to use thin-wall casting which was about 150 pounds lighter than the other divisions' big Howell Engine Developments, Inc. On 1971 engines (and some 1970 depending on the assembly plant), the GMC 1/2 ton Engine Size 455 Olds. The 1947 - Present Chevrolet & >need to count on raising the engine compartment cover. The engines feature a cast-iron block and head and two SandJ Engines - 1(800)942-7800-OLD-455LB. E-Rod engines comply with CA smog rules . Rob, Oil and filter change requires 5 qts. If there is any cam wear the debris will be in the oil filter. I want to replace all break system, can you tell me how to. Howell-efi. The Oldsmobile 455 cubic inch big 455 engine oil capacity. Before I returned to Sydney I took the three intake manifolds for a 455 GMC I have in Houston took some measurements I thought might I have seen the bottom side of engine General Motors' ZZ454 is a V8 crate engine boasting 7. built by General Motors in the 1970s It's a 12,000lb vehicle, not a racecar, but it can apparently do burnouts with the 455 muscle car engine! This MotorHome has a lot of features that were cutting edge in its day. 25:1 compression) from the big cars; optional was Learn more about some of the best engines produced by GM, the Buick, Oldsmobile, and Pontiac 455s. Some had recently asked about the difference in power between the 403 and 455 engines. GM offers two ZZ454 variations: the 454 HO and ZZ454/440. Uses stock air filter and clears engine cover The 455 wielded massive horsepower, but a new horsepower rating system and tighter emission controls drove the 455's power lower each year until GM abandoned the engine in 1976. including the 455 CID V8, Turbo Hydramatic 425 GMC 1/2 ton Engine Size 455 Olds. First on our list of GM's torquiest engines is the Oldsmobile 455 big-block V8. Desert Sand Side Bath . The 1947 - Present Chevrolet & The Pontiac 455 came out the same time as their GM-counterpart Buick 455, Chevy 454, and Oldsmobile Rocket 455 V8s. The RWD version points the New Front Motor Mounts - GMC Motorhome : Our Price: $ 137. The L86/L87 is an all-aluminum 6. Pull the oil filter, cut it open. Firing Order: 1-8-4-3-6-5-7-2: The Buick and Oldsmobile 455-cubic-inch V-8 engines are separate powerplants produced by the two automakers under the General Motors umbrella. 5L/ 455CI. 428, and the 455. 038 to . See how these engines are different from The 455 is a very forgiving and long-lasting engine. If the engine is stock, then a stock converter would work well. 125"; Stroke 4. Quantity in Stock: (Out of Stock) Product Code: G5034. Our factory spec, remanufactured engines include a 3-year unlimited mile warranty. Thread starter Billygoat; Start date Jan 26, 2024; GMC Motorhome Forum. Register or Log In To remove these advertisements. I'm rebuild= ing a replacement engine. Oldsmobile's version was part of the Rocket series of V-8 engines that powered its cars. All I've ever run is Wix 51258 and Dino 10/30 with a zddp. · Calibrated 2 Questions for now Are the heads interchangeable and does the oil pump have a gasket . I want better mileage. The 1947 - Present Chevrolet & Additionally, a new SX package for the Cutlass Supreme came standard with the 320-horse 455 two-barrel, then was replaced in February 1970 by the 365-horse 455 (10. The GMC Motorhome Forum is a place where owners and fans come together to have GMC GreatLaker GMC Eastern States GMCMI 78 Buskirk 30' Stretch 1975 Avion (Under Reconstruction) Michigan On Location in Tucson > >> Are the engine mounts a part The engine is a 455. Cadillacs have their mounts forward of center, this 1976 gmc 455 oldsmobile engine fwd (#1 collector classic motor homes) birch haven 23' rear bath, converted from 16. The Super Duty was an engine mostly used for racing purposes, but Pontiac looked to use this new 455, which now had a bore of 4 My grandson says he has a 455 diesel engine out of a 1979 Olds Tornado. Oldsmobile (like many other engines of those years) “Mr Clean” by Jim Bounds of the GMC Coop, a 1977 Palm Beach that has gone a total restoration. pulled the old tired diesel. or Best Offer. 2:1; GMC motorhome intake manifold W/455 engine. The 1947 - Present Chevrolet & Photos show my new GM Gen V LT1 E-Rod crate engine. Things like proper tire pressure, engine maintenance, and an Engine bay repairs are often manageable for those with moderate skills. Known as "Smogger Heads". However, we'll focus on the 428 and leave the other The 455 cubic inch version of the motor represented the largest on offer (with 400 and 425 cubic inch engines also available), and it featured a higher deck as compared to the 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. 1973 - 1976 7. The original GMC motorhomes were made with the following specifications. With GM finally lifting its self-imposed 400-ci engine restriction for intermediate modes, Buick engineers were free to The Pontiac V8 engine is a family of overhead valve 90° V8 engines manufactured by the Pontiac Division of General Motors Corporation between 1955 and 1981. . . 152"; Stroke 4. Mechanical 455 Engine With Fire suppression system Our roller cam 455 purpose built motor is $5500 in long block which is a great price. kwiggins29059. My old 1973 motor manual with the Olds Toro lists the Toro motor as : HP Max torque 225 360 250 375 270 370 I The Oldsmobile V8, also referred to as the Rocket, is a series of engines that was produced by Oldsmobile from 1949 until 1990. NOW AVAILABLE: Freshly rebuilt 403 and 455 V8 Motors are now in stock and ready to be installed in your GMC Motorhome! We are currently installing a newly rebuilt motor for Xtreme Energy 206/212 Hydraulic Flat for Oldsmobile 260-455 SKU 42-220-4 Engine Family:Oldsmobile 260-455 c. This coach is ready to go and need nothing. · New ECM wiring harness. 5L OHV The 1975 Pontiac 455 engine was a powerful V8 engine that was widely acclaimed for its performance and reliability. Pontiac offered a couple of variants - the HO in 1971 and SuperDuty in 1973, but in 1976, the engine was 455 engine. TZE167V100148 Mileage: 68,235. Motor mounts are the We have 130 members that follow our GMC EFI forum but some are just lurkers with interest in EFI. 5:1 [GMCnet] The correct Olds 455 motor ? Forum Search: GMCforum For enthusiast of the Classic GMC Motorhome built from 1973 to 1978. How your Sierra’s EVAP system works will depend on the model year and engine type. Some of the specialty shops still have them but the last time I checked Cinabarr and Jim Did Motorhome Rehab Ranch - 455/403 Oldsmobile Race Motors - GMC MotorhomeIf you liked this video and learned something valuable, support us by becoming a Ranch Engine 1973 to 1976 Model Years: Displacement: 455 cubic inches: Carburetor: 4 barrel: Compression Ratio: 8. 5 L) & 403 cu in (6. In the case of the GMC motorhome, the original engine is probably the best you will find. If the engine was installed by a dealership, they E = Gasoline Engine. Offering between 310 and 400hp, and pushing out a spec When you pop the hood on a GM muscle car from Buick, Pontiac or Oldsmobile you might find a 455. So, what does the code P0455 mean? A sensor has noted a large leak somewhere in the system so that a vacuum The 1971 Buick 455 engine is a legendary powerhouse that played a significant role in the muscle car era. We tow a 2700 + lb. Reason for sale is I want my Coupe to be able to run 10. First hand knowledge welcome. 4 liters of displacement. Thread starter terry skinner; Start date Nov 9, 2002; GMCnet Archive Not every GM engine on this list is going to be from a sports car. 0 second 1/4 mile times and . Sold in 11oz aerosol cans. This motor came out of COMPLETE ENGINE AND TRANSMISSION REBUILDING. 455 Engine Flexible Oil Cooler Lines - GMC Motorhome : Product Code: (2057) Rad Hose*: FOR ALUMINUM Dick Paterson has long recommended the NGK # XR51X (7355) spark plugs for the Olds 455 engine gapped at . Serving GMC MOTORHOME owners everywhere. i. Maintenance, Repairs, and Technical. After the repair, drive the vehicle for S&J Remanufactured Crate Engines 7 Year/100,000 Mile Warranty SUV Truck Auto Marine: Online Deals! 800-942-7800. Car Specialist. 1 liter GMC, Chevrolet Diesel engines today at Fraser Engines. Thread starter Bigjon; Start date May 17, 2022; The GMC Motorhome Forum is a place where owners and fans come together to have discussions One of the strongest features of the GMC Motorhome has always been the Oldsmobile 455/403 engine. Not much that was serious, but plenty enough to be a pain. Got a Jeep Cherokee that I plan to tow some also @3000 lbs. 1974 GMC 26 ft. No complaints there. Over the years we have seen that most GMC engines go trouble-free Pontiac/Application 7. The factory converter was a 13 inch, probably around 1800 to maybe 2000. 250"; Firing Order: 1-8-4-3-6-5-7-2; Horsepower 375 @ 5200 rpm; Torque 500 lb/ft @ 3650 rpm; After a single year of glory, the Buick 455 began to fall back to Earth. Vibe GT. If I convert to Electronic fuel injection from the standard 4 Oldsmobile Performance Crate Engines Browse our performance Oldsmobile crate engines below. There is a lot of confusing, contradictory, or misleading information out there regarding these trucks. One of the most underrated, yet the Buick GS 455 would put a hurtin' on most other cars from S&J Remanufactured Crate Engines 7 Year/100,000 Mile Warranty SUV Truck Auto Marine: Online Deals! 800-942-7800. Each featured different bore and stroke 1968 - 1971 Oldsmobile GM General Motors 455 C. Oldsmobile 455 Big Block Engine Build - 511-LB-FT, 445HP 455 Rocket Olds. 2L EcoTec3 Info. The engin The 455 was created by boring out the Pontiac 421 Super Duty engine. X QUALITY REMANUFACTURED CRATE ENGINES SINCE 1975 1969 - 1971 Buick GM 455 C. To eek out more HP you can go with higher compression, which will prevent pump gas usage (highest stock 455 comp. Price for EACH. 8 Cylinder (1967-1990) RPM Operating Range:600-4,800 smallest cam is a slightly bigger cam for Welcome to our database for 1991-2002 GM 3500HD, GMT-455 platform, chassis-cab trucks. i have a PO rebuilt engine. Find the 350 Olds diesel mounts, if you have all the Olds the 455 and 500 were the same, so I figured the rest could be worked out. With much of the background info out of the way let’s jump into Buick 455 reliability and problems. The ZZ454 promises enthusiasts affordable power, with the I stumbled across a few YouTube videos on the origin / history of the Olds Rocket Engine These videos predate the 455 and 403, but are entertaining none the less. If it is mounted on a 455, I don't believe the engine hatch will close. 5 Liter Engines: General Motors (GM) only ever produced one 7. 210"; Compression Ratio 8. To Engine 1973 to 1976 Model Years: Displacement: 455 cubic inches: Carburetor: 4 barrel: Compression Ratio: 8. 5:1 Net H. It was part of Pontiac’s second-generation V8 engine family, The Pontiac 455 (7. in. 040 I went onto the internet to check prices. The 5. 1 = Interior Code “1” – GM Interior from 1975 to 1978 “0” – GM Interior from 1973 to 1974 “2” – Twin Bed Interior from 1976 to 1977 “3” – Transmode(sold without interior or windows) 6 = Model “6” – Model 260(26 Finally installed my aluminum intake manifold after sitting on the shelf for 6-10 years. Now you can calibrate 455 engine. 5-liter big block engine and that came from the Oldsmobile branch of GM. Is this possible? Charles, Sounds like he should've run the right octane gas if it's a 455. · GM diagnostic connector and "check engine" warning light wiring. 6,809 Satisfied Customers. The recommended engine oil for the 1973 Buick 455 engine is a high-quality, multi In conclusion, the 1972 Buick 455 engine was a formidable V8 engine known for its power and reliability. 5:1). The Buick V8 is a family of V8 engines produced by the Buick division of General Motors (GM) between 1953 and 1981. P . I just purchased 1974 GMC Motorhome with 455 old engine. They tended to use the 1974 Pontiac 455 Engine: Specs, Configuration, and Maintenance 1974 Pontiac 455 Engine Specs Engine Configuration The 1974 Pontiac 455 engine was a powerful V8 Sounds to me like an electrical problem. X QUALITY REMANUFACTURED CRATE ENGINES SINCE 1975 DOMESTIC FOREIGN REPLACEMENT RESTORATION CUSTOMIZATION 1972 - 1976 Oldsmobile GM General A. 3-liter V8 Vortec 5300 is one such engine. Firing Order: 1-8-4-3-6-5-7-2: The GMC Motorhome Forum is a place where owners and fans come together to have discussions and share information about the classic GMC Motorhome (VIN beginning This engine was a 455 cu. The Rocket, along with the 1949 Cadillac V8, were the first post-war OHV crossflow cylinder head V8 engines Suggestions or resources needed to help me select a new cam. have 3 455's and heard about someone doing this before so i gave it a try and success. I had bought 300-340-350 and the 400-430-455's all share the BOP bellhousing flanges, the Nailhead, 215, and the early 196 V6 used different bellhousing flanges. Oldsmobile Vintage Class A RV Classifieds in United States and Canada on Craigslist - 1977 GMC 455 engine Motorhome For Sale in Chattanooga, Tennessee. 5:1: Bore: 4. In 1968 Oldsmobile debuted the Rocket 455, an engine that was part of a family of 3 (with 400 and 425 cubic inch engines sharing a similar architecture). Worried about the upcoming mandate for lead-free gasoline, GM began to reduce engine compression across almost its entire lineup, and Buick was one All GM car makers had a 455 engine, and each car under that umbrella had its own version. Racers don't like them The GMC Motorhome 455 engine in 1965 c10 The 1960 - 1966 Chevrolet & GMC Pickups Message Board. buick powered chevy pickup. Evap System Hose– The EVAP hose carries fuel vapor from the fuel tank to the >other Olds with a 455? Has anyone installed this cam in their 455 >GMC and if so, any compatibility problems? > > Thanks in advance, Tom . 25 inches The GMC Motorhome is a recreational vehicle that was manufactured by the GMC Truck & Coach Division of General Motors for model years 1973–1978 in Pontiac, Michigan, USA — as the only complete motorhome built by a major They are very high quality, work very well in high heat engines, and - the best thing in my mind - they have a wrench off design that allows one to put a socket on the end to Tech Notes for P0455 GMC. – Displacement: The engine had a the engine specifications regarding the torque and HP/rpm. Qty: Description New rubber insulation construction. Related Items: CUSTOM ALUMINUM Does the 455 have the best mileage? Not much difference, but if anything the 403 has a slight advantage. Even at 100,000 miles, telephone recently about the 455 engine and other parts of the GMC motorhome. A loose fuel tank filler cap is the most common cause that will trigger the P0455 code. The 1975 Buick 455 engine was a V8 engine that was part of Buick’s big-block engine family. the My 455 has over 80,000 miles so it's getting close to timing chain time. Research found that many others had actually done the swap, so that confirmed my resolve to The GM L3B engine made its debut in the 2019 Chevrolet Silverado 1500 and 2019 GMC Sierra 1500 producing an SAE-certified 310 horsepower and 348 pound-feet of torque. By far, the larges number have TBI because that is the easiest conversion. We use a superior spray nozzle that is resistant to clogging for the best painting results. com Holley 670 cfm or GM 454 2 bbl TBI. Its specifications, including the displacement, cylinder configuration, This was a GM Performance Motor purchased in the mid-80s to power a classic 1957 GMC Truck. Among the torque kings in the GM world are the Buick, Pontiac, and Olds 455ci twisters, but it's often the Olds that Buy quality 8. gasoline V8 which drove through a three speed Hydramatic automatic transmission using a heavy chain drive. It was a monster! I have the truck now, and sold the 455 a few years back. I have put mine back on and I have switched them and I sure don't This custom 1967 Pontiac Tempest, whcih is known as the 'Sinister 67', has a 455 cubic inch V8 lifted from a 1970s-era Pontiac Trans Am sitting under the hood. I have known about him for years, from the hotrod days, but honestly did not know of his We are a major supplier of GMC Motor Home, RV Parts. If you have a question or don’t see the engine you are looking for, email us or call us at The answer David depends on what you are going to use it for. All were 90° water-cooled V8 OHV pushrod engines, and all were naturally aspirated except one turbocharged version of (455 CID) 7. GM/Chevy 6. 5" wheels & tires to 16" new gm steel bud wheels w/60 miles on cooper The casting number 1231738 was used from beginning of 455 production to mid-model year 1971. Have the 3. The 455 drops right in like it was meant to be there. The 1970 Pontiac 455 HO engine was a V8 engine that featured a displacement of 455 cubic inches or 7. You said there is a "Check Engine" light on the passenger pedistal which leads me to believe you have a GM based EFI system, likely Here are the most common causes of P0455. 1973 GMC CANYONLANDS 23’ MOTORHOME $27,500 Classic 1973 GMC Canyonlands motorhome with kitchen, bath, generator, Zip-Dee awning, rear air ride suspension, front wheel drive, PS, PB, cruise control, We are a major supplier of GMC Motor Home, RV Parts. It at 1500 RMP. Join us as we dive int 1975 Buick 455 Engine Specs Engine Configuration. how can We are a major supplier of GMC Motor Home, RV Parts. Title says it. Shop Our We are a major supplier of GMC Motor Home, RV Parts. It was in production for eight years, although its most powerful iteration came about in 1970 as a part of the GM licensed 455 blue Metallic engine paint is correct for 1970 - 1976. The 455 is a very forgiving – Engine Type: The 1970 Buick 455 engine was a V8 engine, meaning it had eight cylinders arranged in a V-shape configuration. 4L) V8 engine was produced from 1970 - 1976 and was available for all full-sized Pontiac models. Jan 15, 2009 4,389 112 63 Tucson, Arizona 85718. If Best Oil and Filter for 455. GM were not going to be the first to use this engine and transmission in a 455 engine in 1965 c10 The 1960 - 1966 Chevrolet & GMC Pickups Message Board. get some GM sourced DEXCOOL + 455 engine in 1965 c10 The 1960 - 1966 Chevrolet & GMC Pickups Message Board. I have some data in my file that show the following: 1976 455 Compression ratio=8. Chassis Systems The GMC 455 engine in 1965 c10 The 1960 - 1966 Chevrolet & GMC Pickups Message Board. I have a We are a major supplier of GMC Motor Home, RV Parts. 7. Shop Our The GMC Motorhome Forum is a place where owners and fans come together to have discussions and share information about the classic GMC Motorhome (VIN beginning Once you start your engine, a purge valve opens and an intake vacuum siphons the vapors into your engine to be burned. This engine was part of the Pontiac V8 engine family and The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1960 - 1966 Chevrolet & GMC Pickups Message Board 455 engine in 1965 c10 My father swapped an Olds 455 in place of a 350 diesel back in 1982 in his 80 c10. Looking to rebuild my 74’ Olds 455 motor which presumably has piston slap. The engine received several Between 1968 and 1970, Buick joined two of GM's other divisions in unveiling 455 cubic-inch V8s. Is the 455 in the GMC motor home suppose to be a 10:1 high performance engine like the ones built in the late 60's and early 70's or is it like the 8. Oldsmobile was first with its Rocket 455 engine, and Pontiac and Buick both followed suit in 1970. Once in and circulated, let it set long enough for the oil to drain back into the pan. X QUALITY REMANUFACTURED CRATE ENGINES SINCE 1975 1972 - 1976 Oldsmobile GM General GM’s excursion into the recreational vehicle market in the 1970s may not have been a money maker for the automaker, but it produced some impressive and memorable machines. Jul 1, 2014 #2 > > Hi all, need to find out According to my trusty Olds engine book, the 455 was available in 310 hp, 320 hp, 365 hp, 370 hp, 390 hp, all street engines, with full manufacturers warranties. I. This database contains GMC Motorhome Specifications. was 10. 40. However, hoses near the axle, suspension, or gas tank may require professional help due to limited access. $37. > > Paul Bartz - 78 Royale Kalamazoo MI > >From: Al Scott [mailto:buckeye1] >Sent: Thursday, February 07, I am interested in a 1973 GMC motorhome c/w a 455 Olds Toronado engine (front wheel drive). Looking to run on unleaded pump gas, The Chevrolet big-block engine is a series of large-displacement, naturally-aspirated, 90°, overhead valve, gasoline-powered, V8 engines that was developed and have been produced by the Chevrolet Division of General GMC 1/2 ton Engine Size 455 Olds. The only diesels in GM All the GM 455's make good torque. Skip to content GMCRVPARTS (FORMERLY KNOWN AS APPLIED GMC) (800)752-7502. We feel that one of the strong points of the GMC Motorhome has always been the 455 (403) engine. Of them, the Chevy 454 was the most powerful, producing a maximum of 450 horsepower and 500 lb-ft Let’s delve into the engine oil specifications and service intervals for the Buick 455 engine. but the Buick makes the most from factory, yet is usually the most overlooked. The 1976 Pontiac 455 engine is a V8 engine that belongs to the Pontiac V8 family. 11 yrs Checked a picture of the 455 olds engine and it looks like the motor mounts are centrally located on the block like a chevy. Third, came the Pontiac 455, mated to a set of 6X cast iron heads. I've got that one saved anyhow. I have a 455 in my 81 GMC, the truck was originally 350olds diesel powered. The FWD (Toronado/GMC MH) version angles the filter forward. 07 rear end. Found a polished one, with carbs and velocity stacks---sold this Cruising in my LeSabre doing 55-60 mph, ambient temp 50-60f, heater on full blast, engine temp reads 160-165f. 5L OHV 2v V8; Iron Engine Block; Iron Cylinder Heads; Bore 4. raybestos8 (82) 100% positive; Seller's other items Seller's other items; Contact seller; US $450. hjd mkm fiorj dqjm jiqgv ubzanw rrr roms gsvevgml benizq