Vortec 454 Specs Cheapest GM Parts - the cheapest GM parts & accessories available online. High Output Vortec 454 Engine, NV-4500 HD 5 speed Transmission, 4 wheel Drive, 4:10 Gears, Offroad Skid Plates, Locking Diff, HD Cooling, and all the HD things that were offered are on this model, giving it a tow capacity in the 16K lb load range if a 5th wheel was on it. 19 intake, 1. The Vortec 454 can have conventional larger sized fuel injectors installed into it if needed unlike its smallblock brothers which need an intake manifold change to install larger injectors. Here are some drive train specs for 1973 - 1987 Chevy trucks. The Corvette last used the 454 in 1975, and the 1976 Caprice/Impala was the last GM passenger car to use this engine. 460 engine I would assume from your post that you are shopping used since the 454 is now known as the Vortec, even though it is the old 454, reworked and the Ford is not the V-10 which is actually a 10 cylinder 415 cid engine. Lookup MerCruiser engine & stern drive by engine model and buy discount parts and accessories from our large online inventory. 0L Vortec L96 V-8 6. How much horsepower and torque does a stock 1997 Chevy 454 have? approx. Tractor-Specs. 4L to the higher HP and higher torque 454 MAG 392 HP engine. Specs and facts for GM Point-Style Distributors by Lars Grimsrud SVE Automotive Restoration Musclecar, Collector & Exotic Auto Repair & Restoration Broomfield, CO Rev. I have an 18' cargo trailer the 350 always seemed to struggle in hills or against the wind. Speed shop and machine services. There was a recall from NTSB regarding these issues. It retains the same bore centers as the old 7. All of the mods you have in mind should work, imo though I would start by removing the cats (this is a 1ton truck I presume?) and adding true dual exhaust, then I would probably add a high flow air intake and filter, and lastly the computer mods. 3L Vortec, the LM7, produced 270 horsepower and 315 lb-ft of torque. With edelbrock intake that valve is relocated and its fine. Detailed features and specs for the Used 1994 Chevrolet C/K 3500 Series including fuel economy, transmission, warranty, engine type, cylinders, drivetrain and more. Speed shop and machine services. It retains the same bore centers as the old 7. The Fisher Body Style Number identifies the model of Corvette. This package will include the following items: GMPP LSx Iron Engine Block; Texas Speed & Performance Forged 4340 4. model s/n year 7. It is swapped over to the later model Gen V 1991-1995 engine blocks as the foundation which has no provisions for a mec. I reccomend mathcing valve springs for your cam pick as the stock GM springs are quite spongy and will contribute to a very early valve float. The 7400 reigned for five years and equipped 26-foot U-Haul. Great motor and runs strong with gobs of TQ. The Vortec enhancements simply allowed GM to pass smog at a higher RPM. Generation 6 - one-year unlimited hours warranty. Thinking about replacing the pontiac 455 in my trans am with a fuel injected motor and was wondering about the power potential of these motors. You may have to register before you can post: click the register link above to proceed. Guaranteed by Thu, Oct. The GM IAC has a pintle that extends or retracts into or out of an idle (bypass) air passage in a throttle body or intake manifold attached to the engine. Re: 1988 Chevy Cheyenne 3500 4x4 454 TBI engine specs 02-17-04 12:33 AM - Post# 389369 In response to Zeitler I pulled the heads from the 454 over the weekend and I found a. Engine Factory offers a nice Selection of Small Blocks that directly replace the 283 and 327. These crate engines are high performance drop-in engines, sometimes called stroker engines. As an example we'll use the TH400 or 4L80E trans chart with a Vortec 7. Chevy 454 engine displaces 454 cubic inches, or 7. 3 TKS - 262 cid. 7L engine sizes. PROMAXX Performance Products specializes in all types of automotive cylinder head for any budget, carrying Performance cylinder heads, diesel cylinder heads and stock replacement cylinder heads. 4L (454 ci) marine engine (one-piece rear main seal, oval port heads, with roller cam & roller lifters). Chevrolet Performance. This is a brand new exact reproduction #3963569 Intake Manifold for Corvette, Chevelle, Nova, Camaro, and Monte Carlo. This big block 8. These engines were rated about 275-290 HP and about 390-410lb/ft. Using a neutral balanced wheel on either of these engines or using either the 400 or the 454 wheel on a neutral balanced engine will cause vibrations that could damage the engine. LSX 454 Features: 3. You need to basically torque them down in sequence to the first step, then go back through and torque them down to the next step. Engine Spec. But oh my, what a buy. The date code on the back of the block is( B 23 6 ). Genuine GM Parts, such as intake manifolds, engine valve lifters, engine mounts, timing chains, and variable valve timing solenoids, give you the peace of mind that the fit, form, and function is up to the high standards and specifications of General Motors. Chevrolet Performance. 4 Liter, 8 Cylinder, 454 C. You can find a list of RPO's here. Vans in 2000 got only BB PCM's, 2001, they got BB or 0411. lb of torque at 3500 rpm. They will replace worn-out components and bring the engine back to GM OEM specifications. 2019 2020 Gm New 6 6 Liter Gas Engine Specs Trucks USA Gm New 6 6 Liter Gas Engine Specs, Release Date Price Redesign Gm New 6 6 Liter Gas Engine Specs Engine Changes Photo. i need to replace the intake gaskets on my 1997 gmc 3500 with a 454. Suitable for towing, the Chevrolet Performance Big Block Chevy L29 Vortec Cast Iron Cylinder Head was used on 1996-2000 GM trucks/vans/SUVs with 7. Lookup MerCruiser 7. Big Block Chevy Engine Build 454 C. This will directly replace all 454 7. All SS Monte Carlos in '70 and '71 were 454s and all 454s in '70 and '71 were SS cars. Marine 454 Chevrolet Mark 4 V8 Turn key 330 HP only $5,990 Marine 454 Chevrolet Mark 4 V8 Turn key 380 HP only $6,290 Marine 454 Chevrolet Mark 4 V8 Turn key 425 HP only $6,790 Mark 4 V8 Turn key 450 HP only $7,190 Gen 5 engines add $200 Gen 6 engines add $400 ~Above Rat Chevy engines are available with the options below~. If you are seriously looking for an engine, you'll relate to it. 7 liters and features a high lift camshaft, 10. I really dont want to have to replace perfectly good pistons but dont want a ride that runs like crap on pump gas ya know. 4L Vortec 454 7400 Engines This will only fit Vortec Truck Engines with the crab cap shown in the picture! Included is a Blaster Ignition Coil (8231), 8. " For a smallish 230 cc intake port, but compare it to a 255 to 260 cc intake port like a -781 or an -049!!. The 1964 Chevelle SS came with just a 283 or 327 V8. I can maintain speed allot better with the big block than I could over my previous truck with the 350. It retains the same bore centers as the old 7. Bore x Stroke (in. The PreownedEngines. The timing chain appears to be snug and tight on one side and has some lsack on the other between the cam sprocket and crank gear. Also, the 454 HO has the rectangular port heads - much better than the oval port heads on the mercruiser engine. Introduced in 1914, it was the standard engine for 1915 Cadillac models. It's engineered and calibrated to stock specs and has all required vacuum ports. Early 2009 , I picked up a free 454 from a 1997 motorhome The casting numbers indicate 96+ 454 vortec 7400 L-29 Generation VI #10237297 When we pulled this engine from the torched motorhome, It had TBI on it. The Vortec enhancements simply allowed GM to pass smog at a higher RPM. Generation 6 - one-year unlimited hours warranty. "Spare" 454 Build-up 96 L29 Vortec 7400 to Marine Motor Ok, since I am STILL waiting on my block to be done for the 540 I couldn't pass down a smoking deal on a running take out 96 L29 Vortec 7400 truck motor that I got the bright idea (only a year after I was suggested to do thisI never listenhaha) to build a spare motor so I will. In fact, the 1976 Olds Cutlass was the best-selling vehicle in GM’s lineup, and at one time sold in greater numbers than any other car in America. Re: Vortec 454: School me! I think the heads being referred to as peanut port are the ones used on the TBI engines. All of the mods you have in mind should work, imo though I would start by removing the cats (this is a 1ton truck I presume?) and adding true dual exhaust, then I would probably add a high flow air intake and filter, and lastly the computer mods. Additionally, part #3965774 454 LS7 engine was a ³long block² crate engine, which means it came less intake manifold, distributor, ignition, carb, starter and water pump. com and find specs, pricing, MPG, safety data, photos, videos, reviews and local inventory. Look for those those in their own areas. 7L-350ci-V8 Engine Torque Specs. The list of cars that have used the 4. Dust Runners Automotive Journal. The L29 454 was originally rated at 290 hp and 440 lb-ft of torque thanks to a combination of fuel injection, large oval-port heads (to replace the peanut ports used in the previous Gen V motors) and a slightly higher static compression ratio. Remanufactured GM 7. 7400 Vortec Stats. Vortec 454 Engine Specs Engine. 3L Step 1 20 (27) Step 2 Additional 70 Degrees 5. 050 duration. 0 based on 4 product reviews. The 7400 reigned for five years and equipped 26-foot U-Haul. Also, the 454 HO has the rectangular port heads - much better than the oval port heads on the mercruiser engine. The TSP 454 CID 700 HP LSx Turn-Key Package will have an aggressive idle and will require a minimum 2,800 RPM stall speed torque converter. Lookup MerCruiser engine & stern drive by engine model and buy discount parts and accessories from our large online inventory. 454 Engine pdf manual download. The 7400 reigned for five years and equipped 26-foot U-Haul. 7] but it works out on GM's chart every time. 1970-75 Chevrolet engine tune-up specifications including timing, dwell angle, and spark plug gap, and firing order. 4L MPI MIE (LH) Gen. inch engines and were developed for better torque. 3 L V-6 but now covers a wide range of engines. 7L-350ci-V8 Engine Torque Specs. It is a stroked (by 9 mm) version of the Vortec 4800 and replaced the 5700 L31. With the 454, putting in Vortec 350 code and chaning the displacement and enter in the tables/constants/switches appropriate to the 454 is all that is needed. All information about this topic come from the expert. 1970 Chevrolet Chevelle SS 454 LS6 Specifications - Chevrolet: : engine: V8, power: Not Available kw / 450 bhp @ 5600 rpm, transmission: Muncie M22, close ratio 4 speed manual, torque:. 125" Stroke Crankshaft; Texas Speed & Performance Forged 6. This package will include the following items: GMPP LSx Iron Engine Block; Texas Speed & Performance Forged 4340 4. World’s top manufacturer of performance camshafts, lifters, valve springs, rocker arms and related valve train parts for all race and street performance engines. This type of engine can be used with a five-speed manual or a four-speed automatic Applications. GM part number 12562369. The muscle car era was long gone when the 7400 series was developed. Also, to control the 4L80E automatic transmission using the 1996-1997 computer Service #16229684 and #16244210. Find CHEVROLET 7. 050, maybe as much as 210 @ 0. Each TBI comes complete with injectors, TPS, air control valve, and throttle body bushings. The Type 51 was the first Cadillac V8. 4L/454 Crate Engines and get Free Shipping on Orders Over $99 at Summit Racing! ATK High Performance GM 454 525 HP Stage 1 Long Block Crate Engines. Resulting in a more secure installation. I got a marine 350 roller in the tow truck, its got the marine Heads and roller set up, full exhaust, 454 pump & spring. the 350 tb is only good for 350 cfm i believe, and the 454 throttle body is good for 500+cfm. wiring-diagram. World's top manufacturer of performance camshafts, lifters, valve springs, rocker arms and related valve train parts for all race and street performance engines. If you want to change engine oil, for instance, by yourself and save a couple of bucks you need to know how much this fluid. For a good towing motor, look for [email protected] 73-1YZ67 - Corvette Sting Ray convertible 73-1YZ37 - Corvette Sting Ray coupe The body number is the serial number of the body. Vortec 454 7. 4L, EFI, 209-228 inch W/B Banks Badge, Emblem, Chrome (pair) Heatshield Kit, for 1982-1995 GM 454 Truck/Motorhome 7. GM trumped the horsepower ratings of these in, what, 1996 with the introduction of the Vortec, so a 350 now had more horsepower than the old 454. How many quarts of oil does a Big Block V8 - 454 7. This package will include the following items: GMPP LSx Iron Engine Block; Texas Speed & Performance Forged 4340 4. The 454 will be tougher on fuel consumption and cost you more in daily operating. The degrees you see are the torque angle method. 050" lift that is standard in the cam industry. 6 Kenne Bell inter cooled, liquid cooled polished supercharger kit. There were a few different trucks and full-size SUVs that came equipped this engine during the years it was on the market. I really dont want to have to replace perfectly good pistons but dont want a ride that runs like crap on pump gas ya know. 1 for bone stock. Read reviews, browse our car. Valve Configuration. † Tighten the cylinder head bolts to 44 ft. The Type 51 was the first Cadillac V8. The old, weak 240 HP 454 is every bit as strong as the new, high power 290 HP Vortec 454. As has been said, 454's in the heavier duty chassis (19. has over 30 years in the marine engine industry. 4L Vortec 454 7400 Engines This will only fit Vortec Truck Engines with the crab cap shown in the picture! Included is a Blaster Ignition Coil (8231), 8. chevy 454 engine 96-00 model 4 bolt main roller block Remanufactured and Rebuilt Engines for Cars and Trucks. It is a large engine, adequate for water-sports towing, and is generally used in larger runabouts and cruisers. 454's are some of the least sensitive motors for oil type, brand, weight, etc. 7L Step 1 20 (27) Step 2 Additional 55 Degrees. Comp spring. Generation 6 - one-year unlimited hours warranty. the 454 motor. The Mark IV is found on 7. 0 based on 4 product reviews. Remanufactured GM 7. Using their experience in building hardcore racing engines, Bill Mitchell and the boys were able to put together a 454 cubic inch LS-7X Warhawk engine that spanked the engine dyno with a jaw dropping 802 horsepower. How many quarts of oil does a Big Block V8 - 454 7. Search Car Torque Specifications by Engine or Model. 454 HO Tech Specs Part Number: 12568774. GM part number 12562369. Increased torque and HP for mildly modified 350, 365, and 370 HP engines with free-flowing above water exit exhaust systems. Displacement refers to the total amount of air that the pistons, which operate inside the cylinders, displace when they operate. 1 liter 496 bbc/sm465/np203-jeds doubler-np205/d60/14bff Welded/42 tsls on recentered H1s. My name is Mark Jones, thanks for considering my engines. Buy It Now. This is a "landing" page in my new website. Sharing the 454's 4. ::WHAT'S NEW ::FEATURED PRODUCTS:: The Performance World was injected with a shot of Muscle Car adrenaline with the release of the much anticipated 2010 Chevrolet Camaro. The Vortec 454 engine had 7,439 cubic centimeters, or 454 cubic inches, of displacement, Transmission. timing chain. Whether a truck or SUV parts buyer needs a motor replacement, the Chevy L29 engine used inventory found here will meet or exceed all expectations. I recently inherited a 1998 Chevy 3500 dually with a 454 vortec. Chevy performance parts, Accessories, and crate engines for sale. Most where in the large work trucks and GM did not want to include engines that where outside there recalled VIN. 5:1 compression and high flow cathedral port cylinder heads. Chevy 396 Big Block's For Sale Put some pony's under the hood with a rebuilt, or used Chevy 396 big block. VORTEC ENGINE IN CARS: For the most part, it will be challenging to put a Vortec truck engine into a car. Will it make more horsepower than their recent Ford budget build?. Friend of mine had a crew 1 ton 98 with a 454 with a 6 inch lift and 35's. They will however generally use a qt every 1000 miles no matter what even though I have one now that does a qt every 3000 but that is the exception. STOCK-OEM FUEL INJECTORS; BOSCH, DENSO, LUCAS, SIEMENS, DELPHI & KEIHIN. GM Temperature Sensor Chart « on: October 18, 2010, 11:39:43 PM » Many of us have had the Coolant Temp Sensor or the Temp Gauge Sensor fail on us, and when replacing it, found that the replacement sensor was also inaccurate. Again, I am throwing out there what I have read. This engine has been in offered and most of the truck and van applications from the mid-80s to present day. I also found some comp cams with 115 and 116 LSA, from what I've read higher LSA is good for EFI tuning and a smooth idle, but will it have adverse affects on power?. I have been sitting on these pictures for a while as I was never sure how to present it. has over 30 years in the marine engine industry. I thought the same thing, 8. 480 lift and it made just as much low end power as my stock 067 cam did coming in at 208/215 @ 0. the Chevrolet P Chassis to perform as it was designed to perform. GM Dexos 1 Designed with gasoline engines in mind GM Dexos 1 replaces the GM-LL-A-025, GM6094M and GM4718M specifications. We have obtained specifications of the new 6. The 1964 Chevelle SS came with just a 283 or 327 V8. A - Fuel Delivery. The 454 does just fine. Hopefully final issue with the GEN V motor, is if you go with 3/8″ pushrods well stock guide plates are 5/16″ so I got the part number off one of GM Performance parts 454 engines for 3/8″ guide plates and ordered 8 of them from summit racing. Our Chevy 454 Long Block Engine is on sale. 454 engine vs. What is needed - Answered by a verified GM Mechanic. 6L V8 L8T GM engine for use in the 2020 Chevrolet Silverado HD and 2020 GMC Sierra HD pickup trucks. Custom stainless intake & ex valves. 2-liter V8 engine has a full-throttle range between 4,600 and 5,000 rpm. Chevrolet Performance. com company is Dallas, TX (PRWEB) April 26, 2015 -- Chevy L29 Vortec 454 engines in used condition are now for sale with a two-year warranty through the. Detailed features and specs for the Used 1990 Chevrolet C/K 1500 Series including fuel economy, transmission, warranty, engine type, cylinders, drivetrain and more. Re: 98 Vortec 454, what cam? "The large oval port design flows better than any factory oval port head. Say if I put L92 heads, a moderate cam/lifter kit to. Improve the performance of your Vortec by installing our high dwell Dyna-Module! Dwell within the module controls a coils saturation time, which is the time needed by the coil to produce a spark. I had a 455 Pontiac with a [email protected] We've heard of several of our customers replacing their rare matching number 396, 427 or 454 with our 454 HO in order to drive their car on today's gasoline without. 6L 90° V-8, Cast Iron Block with Aluminum Heads. 1990 1995 Gm 454 Chevrolet Harmonic Balancer Torque Specs - Parts Highway. Are they dogs that can't be fixed, or I am just not finding the right. The code definitions are a good starting point when determining the cause of the service engine light but where do you go from there?. I am currently setting up a 454 TBI throttle body to hold the 350 tbi injectors. 040 bored block with flattops and 2 small valve reliefs. The guy I got it from started a project and abandoned it so I got the complete long block for a great price. Read reviews, browse our car. Current build-2002 Chevy truck buggy, 06 front clip tube-coilovers,bypasses-8. ** Why are the SS-454 and 454 production numbers different here? There are a lot of crazy rumors that there were SS cars that did not come with 454 engines. When I started this Web site back in 1996 there wasn't much information about big block Chevy engines on the Web, so I decided to create this page. Here's the GM write-up: Oval-port aluminum heads deliver big power in an affordable package! Our engineers took the 454 HO – with its super-tough, all-forged reciprocating assembly – and matched it with a set of higher-flow, ovalport aluminum cylinder heads to pick up an additional 15 horses, while still offering 500 lb. 4L 1998: [quote=1999 GM Sales brochure][blue]Vortec 7400 V8 SFI Engine (L29) The Vortec 7400 (L29) big block V8 engine uses sophisticated technology to provide impressive horsepower and torque output, and long intervals between recommended service. I had a 455 Pontiac with a [email protected] With a maximum top speed of 152 mph (245 km/h), a curb weight of 3479 lbs (1578 kgs), the Corvette C3 454 LS6 425hp has a naturally-aspirated V 8 cylinder engine, Petrol motor, with the engine code LS6. 00-inch stroke to 4. Displaying 1 to 8. The Vortec enhancements simply allowed GM to pass smog at a higher RPM. Cheapest GM Parts - the cheapest GM parts & accessories available online. 454 HO Tech Specs Part Number: 12568774. The 1964 Chevelle SS came with just a 283 or 327 V8. some tell me that computer in that truck is not the best to deal with. Pull the intake, harmonic balancer, timing set and then the spider, dog bones, and then the lifters. 73-1YZ67 - Corvette Sting Ray convertible 73-1YZ37 - Corvette Sting Ray coupe The body number is the serial number of the body. Introduced in 1996, it was produced for five years, until replaced by the Vortec 8100. 1 for bone stock. @BR2+: Yes, Chevrolet continued putting their 7. 4L Head Gasket Issue: General Motors (GM) 7. 5mm Super Conductor Spark Plug Wire Set (32109) and an MSD Cap & Rotor Kit (8017). I would go speed density. Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. TGP West Incorporated. Before the Gen III engine design was phased out from the 5. The Vortec 454 engine had 7,439 cubic centimeters, or 454 cubic inches, of displacement, Transmission. 7L-350ci-V8 Engine Torque Specs. Although the 454's use in muscle cars declined rapidly after its introduction, the engine was used in trucks such as the GM 2500 and 3500 until 1996. Marine readers have rated 1993 1997 Mercury-MerCruiser GM V8 454 CID 7. This engine has been in offered and most of the truck and van applications from the mid-80s to present day. Re: setting timing 454 GM 7. Say if I put L92 heads, a moderate cam/lifter kit to. the 454 motor. Another thought if you want to go to ls style coil setup. 250: 359070. Hi, I recently bought this 1998 truck motor with plans to put it in my camaro. 4L the year of the engine is 1984. 6mm or about 1/16 inch longer than most replacement fuel injectors for the GM 7. The Corvette last used the 454 in 1975, and the 1976 Caprice/Impala was the last GM passenger car to use this engine. timing chain. Will it make more horsepower than their recent Ford budget build?. Engine can be custom painted to match your vehicle at your request. 19 intake, 1. 4 L 454 EFI in 1987, Generation 4 in 1965-1990, Generation 5 in 1990-1995, and Generation 6 in 1996. Big Block Chevy Engine Build 454 C. General Motors 7. 454 Engine pdf manual download. This brand new carb is 50 state legal for 1980-89 454 Chevy/GMC trucks originally equipped with Quadrajet carburetors. 0 based on 4 product reviews. 454 Warhawk: The LS Powerhouse. com and find specs, pricing, MPG, safety data, photos, videos, reviews and local inventory. Dust Runners Automotive Journal. UltraPower GM / Workhorse 7. 4L applications or for even for 1992 and up applications looking to upgrade from a 310/330HP 7. The life expectancy of a timing chain on a 1999 454 Vortec engine is 5 to 10 years. 4L OHV V8 "J" Vortec ENGINE REBUILD KIT. Displacement (cu. Tighten to 8 ft-lbs (10 N-m), then tighten an additional 1/3 turn to at least 33 ft-lbs (45 N-m). 3 L V6 that used "vortex technology" to create a vortex inside the combustion chamber, creating a better air/fuel atomization. Mechanically similar, General Motors’ LS and LS-based Vortec engines wound up on almost every branch of the GM family tree: Chevy, Pontiac, GMC, Cadillac, Buick—heck, even Saab, Hummer, and Isuzu got some LS love. Exhaust Extension Kit, Stainless Steel, for 1982-2006 GM 454 Class-A Motorhome 7. E-Street Vortech Build HorsePower builds a budget Chevy Vortech engine, showing viewers how to machine and prep a rebuilt engine at home. I would go speed density. As of 2015, Chevrolet suggests a retail price of about $7,200. Buy It Now. With this seasoned 2 bolt main block you don't have to give up quality to get a price that works for you. This high performance Chevy 454 long block is a great choice to freshen your old big block or build one from scratch. This is a factory replacement engine direct from GM. Performance Fuel Injection Systems Complete Stand Alone Fuel Injection System Kit * This is a complete fuel injection system kit. Any way to know for sure? I don't believe the dip stuck on this truck is original so I can't trust it. MLS head gaskets. To retrieve these codes all that is needed is to ground the "B" terminal of the ALCL connector with the key on, however we do not recommend this as many free. STOCK-OEM FUEL INJECTORS; BOSCH, DENSO, LUCAS, SIEMENS, DELPHI & KEIHIN. Awesome new high impact copper metallic paint over a solid Blazer body. 5" wheels) are pretty much bullet proof regardless of the year and whether they are carb/tbi/vortec etc. 15 L) of displacement. The body number plate is located on the engine side of the cowl. World's top manufacturer of performance camshafts, lifters, valve springs, rocker arms and related valve train parts for all race and street performance engines. With its well documented project builds, technical articles, factory specifications, photo gallery, classifieds, active message forum, product reviews and original automotive content it's an unbeatable source. E-Street Vortech Build HorsePower builds a budget Chevy Vortech engine, showing viewers how to machine and prep a rebuilt engine at home. RV with Chevy 454 engine problems: Mark: 9-9-09 : I have a 1986 El Dorado motor home with a chevy 454. Search Car Torque Specifications by Engine or Model. Some of which are going with an upgraded ignition, headers, removing the cats and having the computer flashed to shut down the secondary O2 sensors. Chevrolet Elcamino specs: 1973-1977 Platform: A-body Trim Levels: base (1973-1977) Custom (1973 only) Classic (1974-1977) Estate (1973-1977) Conquista. Looking at pictures the vortec injectors look like standard ones, but everyone I talk to says they won't fit in the vortec 454 manifold, I'm having a helava time finding a way to get more fuel to this thing without spending a bunch on a completly different intake and fuel system. 454 Runs Rough. Used on LS6 454 and L78 402 engines in 1970-71. Chevy LS series engines: LS1, LS2, LS6, LS7, LSX Late model Chevy small block engines for large displacement, low weight and high performance. We carry a vast selection of certified GM accessories, guaranteed to fit your ride, your style, and your budget. 3L : 4 Spd RWD/4X4 : 4L60E. Camshafts & Valvetrain. m) Balance Shaft Gear Bolt Step 1 15 (20) Step 2 Additional 35 Degrees. This type of engine can be used with a five-speed manual or a four-speed automatic Applications. Both engines can benefit a LOT from higher flow cylinder heads and cams. Performance and Features. Generation 6 - one-year unlimited hours warranty. See the GM Restoration Packet page for a Canadian built 1971 SS454 option list. † Tighten the cylinder head bolts to 44 ft. You may have to register before you can post: click the register link above to proceed. The MerCruiser 454 marine engine, manufactured by Mercury Marine, is used to power the stern drive in many boats. i need to know the torque specs for the upper and lower intake bolts and any other information that would be helpful. I suspect the cam is around 200-205 duration @ 0. 4L MerCruiser parts you just found them! At Boats. Cheapest GM Parts - the cheapest GM parts & accessories available online. 7400 Vortec Stats. Vortec is a trademarked name for a line of small block engines for General Motors trucks. 1997 Chevy: Engine is 454 7. What I thought would make a good engine is vortec 454 heads on a normal TBI 454 with a few little doo-dads here and there. Maxflow Fuel Pump Boosters, Ford Mustang Plug And Play Packages. Below you will find the most complete list of GM trouble codes available. 4L)/502 CID (8. i need to replace the intake gaskets on my 1997 gmc 3500 with a 454. As an example we'll use the TH400 or 4L80E trans chart with a Vortec 7.