I am in the process of doing a 350 TBI swap for a 454 Vortec. Port Injection. 454 engine was utilized in both trucks and cars for heavy-duty performance and work applications. The engine is capable of displacing 454 cubic inches of air with 4. Chevy SS 454 Pickup Specs. Improved starting, smooth idle. 10 gears with 37in tires. Say if I put L92 heads, a moderate cam/lifter kit to. 440-inch lift. 3 is a great engine, and the rest of the LS family are great engines too. 1L Vortec engine was the last of the GM series of big block engines. 0L - 305 V8. You can see our full selection below, or shop in our product categories to the left. com is proud to present: turbokits. I've doing some research on what's involved with removing that adaptor also. Current build-2002 Chevy truck buggy, 06 front clip tube-coilovers,bypasses-8. I am in the process of doing a 350 TBI swap for a 454 Vortec. Founder and president Art Whipple has always been regarded as a true innovator and enjoyed a very successful racing career as crew chief and owner of Top Fuel Funny Cars and Dragsters, as well as many other forms of racing such as circle and drag boats. The Vortec 5300, or LM7/LM4/L59/L33, is a V8 truck engine. 0L V-8, or Vortec 6000, has been the gas engine of choice in the company's heavy duty applications, including the Chevrolet Silverado and GMC Sierra 2500/3500, since the 2010 model year. As such, the 454 Big Block was reappointed with Sequential Fuel Injection in 1996 and successfully met On Board Diagnostics II standardization and efficiency requirements and was dubbed the "7400 Vortec", a moniker that drew from the popularity of Chevrolet's torquey 4. I have a 98 454 dually and I have the following modifications: Flowmaster cat back, Doug Thorley Full length Tri-Y headers, a Wati for Me tune that I have modified to suit my driving, gapped the AC plugs to. Ignition timing 10 degrees BTDC,. 0L Vortec V8 have a bad rep? The 5. Does anybody make a high performance carbureted intake for the Vortec engine? Would it be a good engine to build to 500 hp? Thanks. 7/16 Connecting Rod Bolt: Engine Oil: 70 ft-lbs. i want to keep the 1500 but needs a motor. Are they dogs that can't be fixed, or I am just not finding the right. The 454 responded very well to the cam upgrade, as the peak numbers jumped from 376 hp and 482 lb-ft with the stock cam to 428 hp and 507 lb-ft of torque. The L31 Vortec comes in two different casting numbers, 10239906 (#906) or 12558062 (#062). 454 Vortec engine driven compressor. has over 30 years in the marine engine industry. Founder and president Art Whipple has always been regarded as a true innovator and enjoyed a very successful racing career as crew chief and owner of Top Fuel Funny Cars and Dragsters, as well as many other forms of racing such as circle and drag boats. I have a 1978 454 in my GMC with a ton of miles on it. Find CHEVROLET 7. Vortec 454 Engine Specs Engine. I'm interested in replacing my ECSB 350 TBI Z71 because my stepson is taking it over with a CCLB 4x4 of the same platform. Vortec 350 to Vortec 454 swap If this is your first visit, be sure to check out the FAQ by clicking the link above. Starting to gather parts and steam for the Vortec swap. 4L, 454, RPO Code L29, Each. But there’s the rub. firing order for 1996 chevy 454 vortec. I have both a bored 350 throttle body that should flow about 600 CFM and a 454 TB that should flow over 750 CFM. just wanted to say thanks!! for the help some of you gave me for the installation of 454 vortec going in to my 87 3/4 ton chevy. This bracket is used to mount your York compressor off the side of the. I can't speak for the Poncho 455 but I can for the Rat motors. With over 30 years in the business, a team of experienced and knowledgeable staff and the highest quality of customer service, no one knows remanufactured engines like we do. An increase of 52 hp is always welcome. rear main seal, #297 block casting number, 4-bolt main, roller camshaft, and is commonly know as a "Vortec. Any way to know for sure? I don't believe the dip stuck on this truck is original so I can't trust it. Introduced in 1996, it was produced for five years, until replaced by the Vortec 8100. The Vortec 5300, or LM7/LM4/L59/L33, is a V8 truck engine. Vortec is a trademarked name for a line of small block engines for General Motors trucks. Messages: 121. Discussion in 'Chevy Trucks' started by MikeRi24, Oct 10, 2011. 454 Crate Engines Scroll below to view our current listings for Chevy 454 crate and used engines. The Vortec 5. I replaced the distributor, cap and rotor, plugs and wires, ign module and coil, After I replaced them the plug for the oil pressure sensor shorted out on me and had to replace that and the sensor. The Vortec 7400 L29 7. GM L29 L30 L31 L35 Vortec ECM Programming Harness. I will definitely recommend you to others. The documents that came with the truck refer to it as a vortec. 7L) will serve you well. It is a stroked (by 9 mm) version of the Vortec 4800 and replaced the 5700 L31. The big Vortec 7400 benefits from similar power gains. I have run this combo 64cc heads w/flat tops and less than. Including a Large Selection of New, Used and Surplus Engines for Sale. Read a review and see pictures of the 1996 Chevrolet C/K Vortec V-8 Pace Truck at Car and Driver. Casting number 820 heads are similar to the 215 semi-closed head, but with less quench pad area. Chevy SS 454 Pickup Specs. 4L V8 Vortec SFI Wiring Harness (w/o electronic transmission). 4L, Regular Production Option designation L29), Chevrolet's Vortec 454 was a modern-day evolution of the company's most legendary big block. Crate Engine Depot - Chevrolet Performance Parts and Engines for sale. I marked the distributor pretty well and am confident that it is back in the same spot it was. It has 105,000 miles. 454 Engine pdf manual download. 1L engine, but the stroke was lengthened which provided the extra displacement. 2mm Ignition Spark Plug Wire Set Compatible Replacement For Chevrolet 366 396 427 454 502 (45 to 90) Oem Fit PWJ112 3. The ease in which you can locate these engines and cylinder heads can often complicate matters, which is why our how to identify your Vortec engine is here. 1L Vortec V-8 specs, history, and horsepower and torque curves. So far my plan was a Aem cold intake , chip it , new fuel pump, new alternator and possibly exhaust system. Enginetech Master Engine Rebuild Kit Chevy Vortec 454 Engine Kit. 42s out back. 7L) will serve you well. When the truck sits over night, it starts immediately with no hesitation or starter whirling. I feel that any coach up to 34' is just about the max for a gas engine. Standard Options: Click to see a deatiled list of base components for this harness 5' PCM Trunk Configured for C / K-Body accessory. I put new plugs, wires, cap in it but I still have the missfire. "The Vortec 7400 motor blocks that we're supplying through our inventory for this year are V8 sizes and have been road tested," one PreownedEngines. I see Whipple makes a kit for this motor. Starting to gather parts and steam for the Vortec swap. Introduced. mt monarch has it straight, in fact, the 350 and 400 turbo trans will bolt all the the way from a 250 in line 6 to the 454. For shipping estimate: PERFORMANCE: 392 Hp @5000 Rpm / 447 Lb-ft @ 4,000 Rpm Note 1: Is the 496 Marine Longblock an option for you (Read More) Note 2: There is no provision for mechanical fuel pump, electric fuel pump must be used There were various changes made on the 7. 4L Vortec as the high power option for the vehicles in which it was offered. No engine light, idles fine, runs fine, starts fine, took it down the road and it does fine there as well. 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. 4L, EFI Vortec Exhaust Muffler Stainless Steel, Two 2. i have a 454 97 suburban and a 1500 pick up. Vortec 350 to Vortec 454 swap If this is your first visit, be sure to check out the FAQ by clicking the link above. 4L V8 Vortec SFI Wiring Harness (w/o electronic transmission). Clicking this will make more experts see the question and we will. due to differences in coach layouts, it may be necessary to relocate or modify. 7400 Vortec Truck or SUV Engine The older 454 motors that helped GM dominate the auto industry in the 1960s and 1970s were resurrected when the L29 was introduced. You Tube Last edited by Don Kleppinger; December 29th, 2016 at 8:03 PM. 0L displacement. The Largest 454 Engine Network 454 Engine General Motors in year 1970 brought in the 454 cubic inch (7. They are shaped more like an open chamber head, but with less volume. Like I said earlier, standard big block parts won't fit on the Vortec 8100, so the performance parts available for it are close to none. pt 1 of 2 pt series. Many upgrades were made for the sake of performance, durability and longevity. 454 Engine pdf manual download. 1l 496 cid vortec gas: gmc trucks & buses: c4500 topkick: 2003 - 2005: v8 8. You can determine the RPO code if you have the Vehicle Identification Number (VIN) from the original vehicle. Introduced in 1996, it was produced for five years, until replaced by the Vortec 8100. Found a complete, running, 1998 454 vortec (L29?) out a chevy 3500 with computer and harness for $750. The engine was done to stock specs. and section diagram in this manual for proper instruction. Found a complete, running, 1998 454 vortec (L29?) out a chevy 3500 with computer and harness for $750. I am not sure but I beleive the 454 is a throttle body injection and the 8. It has 105,000 miles. Description 1997 CHEVY SILVERADO EXTENDED CAB, MARK III TRIM, 22IN CHROME WHEELS, 5. I have pulled the OE big block which was a 454 out of my 73 2wd short bed. Big block Chevy motors range from the 425 horsepower 454 to the outrageous 720 horsepower 572 big block Chevy crate motor. Price Highest. Order this item and get free shipping and handling! Oversize fees also waived on this item. 454 cubic inches of pure torque. Both engines can benefit a LOT from higher flow cylinder heads and cams. Vortec cylinder heads significantly outflow non-Vortec service replacement cylinder heads and earlier OEM cast-iron heads. So Just what is TBI, stands for Throttle Body Injection used by GM in the early 80's through 1995. In search of 454 vortec I'm looking for a 454 vortec that's a year of '97 or '98. not a high rpm engine, which is why hp numbers are low. Price Highest. These injectors did exactly what you said. 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. 1 is a multi port injection. You may have to register before you can post: click the register link above to proceed. A vane-type phaser is installed on the cam sprocket to turn the camshaft relative to the sprocket, thereby adjusting the timing of both intake and exhaust valve operation. Made of 6061 T6 Aluminum in the USA the top mount bracket mounts to the drivers side of the motor and positions the alternator to the inside of the drivers side valve cover. And even though the beast is rated at under 300hp from the factory, it's got a bottem end like Pamela Anderson has a top end. The Vortec engines have the intake manifold bolts installed going straight down, non Vortec bolts are angled. #2 piston came apart. Generation 6. The Vortec 7400 L29 7. The name first appeared in a 1984 advertisement for the 1985 model year 4. The guy I got it from started a project and abandoned it so I got the complete long block for a great price. 454 engine was utilized in both trucks and cars for heavy-duty performance and work applications. Shop with confidence. For shipping estimate: PERFORMANCE: 392 Hp @5000 Rpm / 447 Lb-ft @ 4,000 Rpm Note 1: Is the 496 Marine Longblock an option for you (Read More) Note 2: There is no provision for mechanical fuel pump, electric fuel pump must be used There were various changes made on the 7. Mercruiser 350 Reman Marine Base Engine,v8 350,5. Find Vortec In Stock Now. Found a complete, running, 1998 454 vortec (L29?) out a chevy 3500 with computer and harness for $750. Well buying a Vortec 454 (96-00) is probably the first step towards power (290hp and 415ft. Any 30 weight oil would make it sound like it would throw a rod, but with 15w-40, it would smooth right out. " BRAND NEW GENUINE BOSCH FUEL INJECTORS - MADE IN U. So Just what is TBI, stands for Throttle Body Injection used by GM in the early 80's through 1995. [Help] Difference between older 454 and Vortec? I posted awhile back about broken manifold bolts on the exhaust of my 96 G-3500. When I was asked to write a review or guide for best camshafts for a 454 engine, I yelled with joy. I can't speak for the Poncho 455 but I can for the Rat motors. pt 1 of 2 pt series. Main Caps 396-454 (4 bolt) Inner and Outer bolts. The Vortec 454 heads supposedly respond well to porting. com, the official website of Sport Truck. Free Shipping. These heads are a decent choice for a production head especially on a smaller displacement engine (up to 454 cid). If you have a question or don't see the engine you are looking for, email us or call us at 1-800-275-7371 and we will be happy to answer your questions. 7400 Vortec Truck or SUV Engine The older 454 motors that helped GM dominate the auto industry in the 1960s and 1970s were resurrected when the L29 was introduced. I just did intake gaskets on it. 12 results for vortec 454 intake Save vortec 454 intake to get e-mail alerts and updates on your eBay Feed. Well buying a Vortec 454 (96-00) is probably the first step towards power (290hp and 415ft. The 454's are MPFI, not like the CPI 305's and 350's, so there are upgrades. No matter what you're driving, we have the right Vortec 454 for your automobile Quality Auto Parts, New, Used and Recycled Auto Parts For Sale. That being said, if you drive it right it should do the job for you. Truck Superchargers Proven ProCharger Systems ProCharger was the first to offer intercooled supercharger systems for trucks and SUV's, nearly 5 years before others. Precision Sales and Service stocks chassis and performance parts for all Workhorse and GM chassis Trucks. Major features of the Vortec 7400 V8 include, sequential fuel injection (SFI) which contributes to performance and fuel economy and a mass air flow meter for engine smoothness during 0 to 60 mph and 50 to 70 mph accelerations. Unfortunately, this is how I. Vans in 2000 got only BB PCM's, 2001, they got BB or 0411. These cylinder heads are ideal for applications up to 350 horsepower, but they require Vortec-specific intake manifolds. There are also "semi-closed" chamber heads like the c/n 215 heads. The housing is polished for a high tech look and the brass terminal cap and rotor is included. This was with a 9ft snowplow and 1500lbs of gravel in the bed for winter weight. I have both a bored 350 throttle body that should flow about 600 CFM and a 454 TB that should flow over 750 CFM. 4 454 starting/ fuel problems Results 1 to 3 of 3 Discuss 2000 GMC 7. 5-inch polished tip. Only our A premium castings are used for our marine cylinder heads our 5. 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. These injectors did exactly what you said. 4l 454 cid: gmc light trucks: sierra pickups (up to 3500 series) 2001 - 2006: v8 8. Within about 50 miles of home topped off (half tank) with 89 octane to see if it would help. In the annals of history it is recorded that on Wed, 08 Jul 1998 05:31:04 GMT it was Dick Hughes who stated to rec. I marked the distributor pretty well and am confident that it is back in the same spot it was. We offer a wide variety of engines manufactured by GM, Ford, Crusader Marine Engines and more as well as engine parts. The Best Engine Shop Anywhere! If a remanufactured engine is what you need, look no further than Dr. mt monarch has it straight, in fact, the 350 and 400 turbo trans will bolt all the the way from a 250 in line 6 to the 454. I really want a 454 or 502 vortec but thats big bucks and I'm still in high school so I dont see that happening. System Too Rich (Bank 2) What does that mean? This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles. 060 IS RECOMMENDED. Mercruiser 454 Magnum MPI Models The 454 MPI came in 2 different Hp version's being the 330Hp model which was known as the 7. LOW MILEAGE F. The same level of horsepower was provided although the inclusion of the different roller cam made the blocks different. 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. Description of Very Rare, 1999 Chevy 3500 Crew Cab Short Bed Dually, Vortec 454, 4x4, Rust Free 1999 Chevrolet K3500, Crew Cab Short Bed Dually, 4x4 Vortec 454 Big Block V-8, Automatic With 59,530 Original Miles Fully Loaded Truck A/C Blows Cold Heater Works Great Power Windows Power Locks Power Mirrors Power Seat Cruise Control Compass In Rear. Coming from the small block world I'm extremly unsure on the specs on this. Mercruiser 350 Reman Marine Base Engine,v8 350,5. This is a brand new, late model 1991-2001 Vortec 7. Blocks manufactured in 1995 or earlier have thermostat bypass passage from the block directly to the water pump. Browse our Chevy engines below. Call it what you will, the 8100 was the result of GM bumping the Vortec 7400/454’s 4. 4L (454ci) applications with little modifications; and also with MPI or carbureted applications. The Chevrolet L31 5. 0L - 305 V8. I took the heads in for a valve job and I have a crack in one of them. Hogg GMFS Member. Bruce Recently returned from long trip and our 87 Coachmen started running rough under load. 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. I'm interested in replacing my ECSB 350 TBI Z71 because my stepson is taking it over with a CCLB 4x4 of the same platform. One-year unlimited hours warranty. Coming from the small block world I'm extremly unsure on the specs on this. At the heart of your GM Truck or SUV is a dependable and powerful 8. There are also "semi-closed" chamber heads like the c/n 215 heads. zz4 camaro; lkn speeds vortec 350 tbi; jon’s budget vortec suburban; jims edelbrock 454ss project; bryans 412ci sbc torque beast; jareds blueprint 383 project; barrys 383 crossfire corvette; project red devil hybrid vortec; steves dart 383 tahoe project. The Maxflow EFI Power Pack has been extensively dyno tested and field proven. 1L 8 Cylinder – 496 Cubic Inches Designed for gasoline,propane and natural gas fuel. 5" Inlet X 3. I also can't seem to find any web sites where the vortec's are discussed. Posted by preston j on Aug 20, 2013. I've had a '99 C3500 454 since new, but I've left it completely stock. Power output is 285-295 hp (213-220 kW) and torque is 325 lb·ft (441 N·m) to 335 lb·ft (454 N·m). Converting a 96 454 vortec to carb First off I am not very knowledgeable in the chevy field so please bear with me. You can see our full selection below, or shop in our product categories to the left. 4 Vortec Rough Idle. "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. The vane phaser is actuated by hydraulic pressure. Why does the GM 6. 4) is a great engine. Boat Parts and Accessories Store Find Replacement Boat Parts, Electronics, Navigation, Engines, Fishing Supplies, and more. 3 liter engine. 3 L V6 that used "vortex technology" to create a vortex inside the combustion chamber, creating a better air/fuel atomization. My name is Mark Jones, thanks for considering my engines. Starting to gather parts and steam for the Vortec swap. The Vortec 7400 L29 7. The motor is shot, but I have a longblock 350 with less than 20k on it. I just did intake gaskets on it. The best spark plug gap setting 97 454 vortec. The first generation of Chevy big block engines was introduced in 1958, with the 2nd generation being introduced for production vehicles in beginning in 1965. 454 Crate Engines Scroll below to view our current listings for Chevy 454 crate and used engines. So they only got the Black Box PCM on them. I grew up in Thousand Oaks California, By 4th grade I knew what a ZL1 L88 LS6 were part by part, you could say I was very into Big Block Chevrolets. I understand from what I found on the WEB that it has vortec heads with 100cc combustion chambers and are nice heads up to 5000 rpm. 1 for bone stock. [Help] Difference between older 454 and Vortec? I posted awhile back about broken manifold bolts on the exhaust of my 96 G-3500. An increase of 52 hp is always welcome. 454 vortec heads. I drove a customer's stock '01 8. I really want a 454 or 502 vortec but thats big bucks and I'm still in high school so I dont see that happening. Good day rustlovers! As you remember from the last chapter of The Free Model T, I have a scattered pile of projects that I have teased:. I see Whipple makes a kit for this motor. My Gut feeling on this, as previously posted, is that if you put the Felpro 1003 head gaskets on this engine w/flat tops and vortec 906 heads, you will be fine on pump gas. Picture and diagram of How to Replace Belt on 5. zz4 camaro; lkn speeds vortec 350 tbi; jon’s budget vortec suburban; jims edelbrock 454ss project; bryans 412ci sbc torque beast; jareds blueprint 383 project; barrys 383 crossfire corvette; project red devil hybrid vortec; steves dart 383 tahoe project. 0L vortec seems to have a bad reputation. The 454 died in 2000 to 2001, but the vans dropped it after 2000. 7 Ls1 Hypereutectic Coated Flat Top Pistons Set. I'm thinking of doing the same thing, new 350 in my 91 Sierra 4x4, considering it has 151,000 plus miles on it, mostly hi-way. Gm 350 Vortec V8 Marine Engine Brand New 4 Bolt Main Mercruiser Volvo Indmar $3,163. Big Block Chevy V-8 Casting Numbers. Part # : 1073L 267-305-350 1980 Century, Grand Prix, LeMans 305 1980 Chevrolet passenger 267-305-350 1980 Malibu, Monte Carlo, Sprint 267-305 1980-81 Regal 305 1981 Camaro 267-305-350 1981 Chevrolet passenger, Malibu, Pontiac,. I just picked up a rebuilt 1997 mark vi vortec 454. 1 for bone stock. Chevy performance parts, Accessories, and crate engines for sale. not a high rpm engine, which is why hp numbers are low. Mercruiser 350 Reman. 1L Vortec 8100 engine. I marked the distributor pretty well and am confident that it is back in the same spot it was. (click for more information). Port Injection. Engine Oil: 110 ft-lbs. It would get 13-14mpg on the interstate and 10 or so around town. due to differences in coach layouts, it may be necessary to relocate or modify. GMC & Chevy Engines. We modified one recently, using a crane hydraulic roller cam, put on a high rise intake and carb, and added headers. Posted by preston j on Aug 20, 2013. "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. Its also running 4. The Vortec 7400 big block produces 290 horsepower at 4000 rpm and 410 lb·ft of torque at 3200 rpm. 2000 GMC K3500. 4L MPI, and the 385 Hp 454 Magnum MPI Sterndrive Model and 380 Hp 7. 1 for bone stock. It was using a small amount of coolant before all the work which I knew was the intake gasket as its a common problem on the vortecs. Since then I have been told and read on the net that this engine actually lacks HP and torque. Select the number of cylinders: The 7. We take great pride in being the first-to-market in offering intercooled supercharger kits and systems. The Vortec heads are a little bit lighter than the older heads and have a “kidney” or “heart” shaped combustion chamber that is more efficient than the double hump chamber. The LS engine harness is configured much differently and the intake manifold is exposed and uses valve covers to dress up the engine. 0 with 1 Comment: I bought a 454 and installed at My Garage for my tow truck with in the 1st few months I noticed Jasper Engines And Transmissions - 22,000 Miles on a $4500 454 vortec Jan 29, 2015 @ Pissed Consumer. The Chevy 454 SS pickup truck was produced between 1990 and 1993. Engine Mods - 1997 Vortec 454 Mods - Has anyone modified a vortec big block? I have a crew cab that is a dog, but I can't seem to find much in the way of performance parts. It runs okay , but i want it to run great. After you figure out what type of engine you intend to build then you are ready to start the actual process. 1, and it was a noticeable improvement in power. At the heart of your GM Truck or SUV is a dependable and powerful 8. 1 liter 496 bbc/sm465/np203-jeds doubler-np205/d60/14bff Welded/42 tsls on recentered H1s. 4L/454 Crate Engines and get Free Shipping on Orders Over $99 at Summit Racing!. Crate Engine Cylinder Head Material: Cast iron. I've heard that the "ski jump" in the intake port can be almost completely ground away. 1998 Chevrolet K3500 454 vortec has no spark 5 Answers. 4 liter (454) big block. I have a 1978 454 in my GMC with a ton of miles on it. You could find the Vortec 454 in a few different truck. 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. The Vortec heads are a little bit lighter than the older heads and have a “kidney” or “heart” shaped combustion chamber that is more efficient than the double hump chamber. 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. Re: Vortec 454: School me! I think the heads being referred to as peanut port are the ones used on the TBI engines. Both oif these engine models are easy to recognize by the large "Bread Box" style intake plenum mounted directly on top of the engine. 1 swap, but I think the 454 has a bit of potential with a few changes. It is a stroked (by 9 mm) version of the Vortec 4800 and replaced the 5700 L31. I have pulled the OE big block which was a 454 out of my 73 2wd short bed. 4 Mercruiser 454. 4L/454 Crate Engines and get Free Shipping on Orders Over $99 at Summit Racing!. I have Vortec 454 heads from a 1998 one ton. $250 for heads or $400 for everything. 1L was introduced in 2001 and used in various heavy duty applications, including Chevrolet Silverado and GMC Sierra 2500/3500HD pickups, through the 2006 model year. Used 454 Vortec Engine for sale by owner or dealer. The 454 will be tougher on fuel consumption and cost you more in daily operating. The 7400 was essentially the same big block 454 that carried Chevy through the muscle car years, but a hydraulic roller camshaft and. They are shaped more like an open chamber head, but with less volume. I will definitely recommend you to others. 4) is a great engine. You might want to take I-80 across Nebraska and Wyoming. What intake - Answered by a verified GM Mechanic. 00 New Indmar 6. Best Answer: Even though it was introduced as the Vortec 7400 in 1996 (yours is a 1998) and existed for 5 years, it was basically a 454 cubic inch big-block with parts more suitable for use in light duty trucks and more advanced technology. I think I am going to swap on a good set of aftermarket heads and change out to an Edelbrock Pro Flo EFI. Vortec is a trademarked name for a line of small block engines for General Motors trucks. 2000 GMC K3500. the brown wire w/black trace that the computer uses to advance the timing by whatever means. 4 is NLA, you would have to repower with an 8. '97 GEN VI 454 Vortec I just picked up a 454 to replace the SBC in my '84 C-30 tow rig. Made of 6061 T6 Aluminum in the USA the top mount bracket mounts to the drivers side of the motor and positions the alternator to the inside of the drivers side valve cover. If I am sitting idle after it has warmed up it will pretty much sit right at 2-5psi. 4L 454 TRUE marine engine. With the decision to purchase Sanderson Headers, you receive: Over 50 Years of Experience! Since 1964, we have been building and installing the best exhaust system components on every imaginable type of car, truck, street rod, custom and kit car. Fits virtually all small and big block Chevy engines including 305, 350, 454 CID prior to 1999 Gen III.