The engine displacement in liters is 7400, which is readily changed to 7.4 liters. Can you tune my new 2000 ECM and will it work without the original key and ignition harness. In the end, we selected a 1999 Gen VI 454 and pulled it from its home in the engine bay of a 1-ton work truck. Buy your Chevrolet Performance 454 crate engine from JEGS High Performance today! I have Bosch Gen III injectors; Volant Air intake; and 3 exhaust. I have a 1996 Winnebago with a P30 chassis and a 454 75,000 miles and runs great. Will the UltraPower tune, give me the "best bang for my buck" performance increase? 4 Bolt Main GM Factory Vortec, Edelbrock's Performer Multi-Point EFI. The single core from CXRacing featured 3.5-inch inlet and outlets and had been tested previously at over 1200 hp and 25 psi. Are the tunes generic or do you change different things for different people? Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube. There was plenty of power left in the YSI, but at 847 hp we couldnt help but be amazed at the extra strength GM put into the design of their 290-hp big block. performance, modifications, classifieds, troubleshooting, maintenance, and more! I have a 98 C-3500 dually with a Vortec 454. Though larger than the previous 7.4L models, the unique 8.1L could not utilize the amazing array of performance parts available for the previous three conventional big-block models. The stock Vortec iron head will not tolerate more than .440-inch lift. I plan on the injector and ignition work done in march. can you tune it Perform with these upgrades, We would like to have ordered the 7.4 custom tune ,but appearantly you are out of stock at the moment.Is there any time frame when you will have more modules.I would like to send you mine but I need my vehicle.Also we would like to have had the reasonable price. You can pretty easily get 400+ horses out of that thing and it be streetable. Right now I have a CAI, 2" full length headers, 3" dual exhaust and EGR delete. Elgin Industries set of (16) Hydraulic Roller Valve Lifters compatible replacements for Big Block Chevy GMC & Pontiac engines. They also installed roller lifters, heavy springs and chain/gears. For GM vehicles, the Vortec variant increased power by 60 horses. The K&N raises the horsepower of your 5.7 Vortec crate engine by 45 percent. BBK Performance Parts 1710-XC GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD. There is a small red wire that has never been connected to anything. It is unlikely that the Vortec 454 accessories will clear the hood. Although Chevrolet doesn't specifically recommend it for this engine, the extreme slipperiness of a full synthetic will allow you to run a thinner weight oil without worrying about undue engine wear. The compression was plenty low for use with the blower, but the extra power it provided would eventually be multiplied by the boost. They left all the original parts in place like the two-barrel carburetor and dilapidated ignition system. Do you offer anything for the 5.3? So if I have your tune done what is the turn around time sending my PCM to you? . Feel free to call me with your vin # handy if you would like to get your order in. 496 MAG Performance Parts Performance Applications Chevy / GM Trucks Do you folks know of cam upgrades along with tuning that would give power upgrades on a l21 with a manual transmission ? A stock 12v ain't got **** on a BBC. The engine receives cooler, more oxygen-dense air through a chilly air induction system. Heads, intake and headers would definitely wake it up. We wanted to make sure the air/fuel and timing curves were spot on before running the supercharged monstrosity in anger. If you can find this PCM in a salvage yard or from a different type of vehicle that uses the same, we can likely program it to your vehicle for you. I think they were made before Chevy started using real tornados. I replaced the relay to no avail. And what is the final cost of your ECM. Sequential-Port Fuel Injection (454 only had 2 Throttle Body Injectors) 3. Thanks for any help. My tech who does the programming is out of town this week so it would get done first thing next week if you wanted to go ahead with it. No where near diesel power my ass. way stronger than a stock 12v, 6.5, & 7.3 powerstroke by far!!!! This left us with Mark 4, Gen V and Gen VI big blocks to choose from, any of which would work for this project. as far as the cam, make sure that year didnt have the core support going down the center of the rad (pretty sure it didnt). Buy your Painless Performance 60211 Standard Length MPFI Harness for 1996-2000 GM Vortec 7.4L V8 at Amazon! If you continue to use this site we will assume that you are happy with it. I'm sorry, we can't tune anything prior to 1996 model year. 7.4 Vortec Specs Chevy based the 7.4 Vortec off their 454 big block engine, hence the name 454 Vortec. And i was wondering what benefits will i see with my 454 i have a new jasper motor with upgraded injectors and full exhaust. We will set the tune up based on your modifications and requests. The exhaust does not have CATS with dual to the muffler and single exit tailpipe. We use cookies to ensure that we give you the best experience on our website. Also I want to send you guys mine as core but I wanted to get yours first so Im not without my truck and if something goes wrong I can plug my factory one back in, so can I wait to send mine till after I get yours? Dodge RAM 3.0 Ecodiesel Performance Upgrades Guide, Best Ford 6.7 Powerstroke DPF Delete Kit Upgrade. We require the VIN so that we can pull up your vehicle's specific parameters and create a truly customized tune for your vehicle. This ignition system upgrade will allow you to set your distributor for a little more timing advance. That extra air entering your engine must go somewhere; a full aftermarket exhaust system like this is always beneficial to fuel efficiency, especially when combined with a freer-flowing intake. What is the difference between a Duramax 6.6-liter and a Chevrolet 7.4-liter engine? Dont buy a camshaft because someone claims its fantastic; instead, purchase one because you know it will fit your vehicle and give you the performance look you desire. The results: 567 horsepower and 537 pound-feet of torque on 89-octane pump gas! WARNING: Products may contain one or more chemicals known in the State of California to cause cancer and/or birth defects or other reproductive harm. My next upgrade is going to be exhaust. HotCars covers all things automotive: the latest auto news and informative reviews on the car, pickup truck and motorcycle industries. You might be able to run an L29 cam, but you will need to consult an engine builder. He eventually figured it out. The bill: $3,699.96 for all but the carb. Install a high flow air filter and cold air induction intake. Subtract the standard .050-inch clearance, this leaves only enough room for a .420-inch lift cam. vortechsuperchargers.com. That model of 454 is alot diffrent then gen 1..It wont take a normal cam and theres some other diffrences that kinda limit what can be done to it.im sure someone will chime in with specifics Yes, it's a OE roller camshaft block and 1 piece gasket crank. This is a lie. Steel Camshaft 4. Using 3.5-inch aluminum tubing from CXRacing, we configured the intercooler between the YSI supercharger and the blow-through carburetor bonnet. Painless Performance 60211 Standard Length MPFI Harness for 1996-2000 GM Vortec 7.4L V8, Innovative Performance Chip/Power Programmer, Big Autoparts Ignition Distributor Set DR474 DR331, ELGIN Industries HL-7003S Hydraulic Roller Valve Lifters set, Painless fuel injection wiring utilizes all new TXL wire, OEM fitment connectors and grouped harness breakouts making for an easy install and saving you from using old re-worked wiring; Machine crimped terminals match OE quality. A restrictive or clogged air filter makes the engine work harder to breathe, which reduces efficiency. With our tuning, peak horsepower is at about 3500 RPM and peak torque is about 2500 RPM. Richard Rowe has been writing professionally since 2007, specializing in automotive topics. Thanks. You might also want to consider a high voltage coil, high performance 8 mm spark plug wires and a set of quality aftermarket spark plugs to help your engine ignite more of the fuel that goes through it. I straight wired it to test it and it will run. Thinner oils allow the internal engine components to spin more freely and effectively, which improves their function. Typical turn around is 3-4 days, sometimes quicker. The 454 Vortec is the last in a line of one of the most successful classic engines in GM history. The most important changes that are made have to do with spark advance, fueling, transmission shifting and torque management settings. Seems like it's lacking power towing my boat. Yessir! This 1-ton dually truck is used for hauling a large slide in camper and atv trailer. Install an aftermarket windage tray in your engine. The banks system will give you 70hp and 85lb-ft. As long as the engine is well maintained, reliability is not affected. . I don't drive the truck daily so could send my ECM to you for tuning My question is would this eliminate the SES light for the cats P0430/20 and air pump ?? It specs out at 265 HP@4500 RPM and 340 ft/lbs of torque@3500 RPM. This is a crew cab, 8 foot bed. Can you guys tune that ecm? Thanks. Now, that poses the question: what would you shoehorn this big-block Chevy into? I have a 2000 7.4 engine transmission and full wire harness and ECM from one motorhome and want to put it in my 1995 motorhome. I would think that u-haul did not use their own ECM. Power & Performance News is the source for news, tech and products that help you get more performance from your vehicle. You can expect about 40-45 horsepower and 45-50 lb-ft torque increase with much better throttle response, crisp shifts and there is a reduction in the "TQ Management". A/T Flywheel, Hedman TEMS headers, and all the other good stuff that goes with a long block. All fuel injector specifications meet or exceed the manufacturer's specification standard. I have a 1996 C3500 crew cab dually with a 7.4. It was bone stock 2x4 extended cab dually. Performance. In our quest to locate a suitable 454, a typical rip to the wrecking yard revealed at least three of the four available big-block combinations. Edelbrock 7162 Performer 454 Cam kit can produce 540 horsepower and 530 ft-lbs torque power on a 454 engine. Hot Rod And remember, thats all without touching the bottom end. Solenoid resistance: 12.5 Ohms. These 454 7.4L engines tend to respond pretty well to camshaft changes with good grinds that are designed to produce low and mid-range rpm torque increases. They said they no longer support my RV and had no parts available. Yes, we can tune your ECM. Thank you. This modification won't be cheap or easy to install, but will eventually pay for itself if you do a lot of towing or drive a lot of miles. Best of all, this engine will make that power all day long without the threat of grenading under the stress of a turbo or supercharger. Do you have identifying marks on the ECU? You can either pay $100 for the core and then be refunded when we receive back yours or you can send in your ECM for reprogram. Raylar performance packages allow your 496 to produce massive amounts of power without sacrificing reliability. Chevrolets Vortec 454 was a modern-day evolution of the firms most famous big block. 16238212. It is quite a noticeable difference! Mark McNabb was a contributor at TopSpeed from 2013 to 2018. If I send in a functional pcm for my Suburban mentioned in last question whats the average turn around for it? Apr 10, 2008 #5 M MyBoTy Veteran Member Hello! Don't know how tuning would work. Change to a synthetic oil that is light-weight. The Vortec 454 was touted as having substantially more power. I've made several performance upgrades myself, but are always looking for something better. To find out just how much the 30-year-old behemoth could muster, they took it to Westech Performances dyno room. Buy in monthly . K&N Performance Fuel Filters are built for high flow rates and capacity while they provide outstanding filtration. I installed a K&N replacement are filter in the stock air box. what does this do at emission inspections?? After all, every horsepower lost to such "parasitic drag" is one less that won't be helping your truck move down the road. I have a 2000 3500 454. $399.99. I am in a non emissions state My 98 GMC K2500 L29 7.4 litre has 2.5" true dual exhaust with pro Flowmax mufflers an X-Pipe, cat delete but still has both upstream and both downstream o2 sensors. Originally Posted by PonyKiller87 Ok, sounds just like swapping over the 96-00 vortec 350 to the 0411 as far as the wiring goes. It may or may not have a decal on the ECM depending on if they did a mail order tune or came in to our shop. And performance tune? I have a 1999 3500 Chevy crew cab with the 7.4l 454 Ive got Gibson headers true dual exhaust with flow masters no cats. Performance computer re-calibration and a Custom High flow Billet Flame Arrestor that increases the maximum power by more than 25 HP* and 30 pounds of torque*. You can definitely hold on to your PCM, that is not an issue. The Vortec 7400 as you know lays down 290 HP and 410 LbFt of Torque. It went through different upgrades over the years finally ending with the 454 Vortek which stopped production in 2001. Stage 1 Upgrade for Mercury 525 EFI. m) at 3200 rpm. Is there any way I could send you that one as a core in return for one to work in my 2000? I am of the same opinion that the UltraPower programming is going to be by far your best "bang for the buck". But don't despair. I have 2000 Itasca, 30 foot Class A motor home with a high mileage engine, will the ECM performance reprogramming, short the life of my engine? I have a few questions so bear with me here. Yes, we can tune your L21 for similar gains as with the L29. Aftermarket hood are hit and miss, we did find that the integrated airbox arrangement of the Suncoast hood played havoc with clearances that were confirmed to fit within the factory underhood bracing. I'm saving up for the banks power pack system. These Chevy 454 Vortec engines made 290 horsepower and 410 lb-ft. Chevy 454 HO Crate Engine Vortec 7400 engines were the final version of the 454 used in production vehicles or trucks. That just won't do. We can tune it if you can build it :). 12568774 438 HP @5300 RPM 500 LB/FT @3500 RPM 1 2 Updated Design The 454 HO features an all-forged rotating assembly for great strength and durability. Moser Engineering Can Help Modernize Your Classic Truck, Ford Motor Company Announces Pricing For 2024 Mustang, Performance Distributors Keeps The Spark Alive With SOS, Gain Control Over Your S550s Body Roll With BMR, Melling Offers New Timing Kits for Ford 4.6L and 5.4L SOHC, Carlisle Ford Nationals Poised To Break Attendance, Street Muscles Review of the 2021 Los Angeles Auto, Event Alert: Holley Ford Festival and NMRA World, 1965 Mustang Fastback Is An Early Adopter Of The Coyote, Fenix Is A Next-Gen 69 Camaro With 1,180, 7 Questions With Shelby American President Gary, Vinny Costa The Media Mover And Shaker Behind Street, Josh Stahls Reviva Renews A Resurgence Of LS Swap, Shop Tour: Brian Tooley Racing Expands To Be A One-Stop, Shop Tour: Prestige Motorsports Is Your One-Stop Hot Rod, Full Factory Tour: How Edelbrock Makes Its Cast Aluminum, Can A Cold Air Intake Really Help Your Trucks, How Exactly Does Dual-Fuel Work on a Gen 3, Quick Six with Flaming River: Manual Steering Pros and, Robs Movie Muscle: The 1978 Pontiac Trans Am from, Moser Engineering Can Help Modernize Your Classic Truck Rearend, Ford Motor Company Announces Pricing For 2024 Mustang Lineup, Moser Performance Girdles Add Rearend Strength To Your Third-Member, Skip The Dealership By Winning This Shelby GT500, Corvette Dives Into Crowd At Cars And Coffee, Retro Injection: Modern Fuel Injector Tech Gives Us Room To Grow. Stock TBI 454 makes 230hp and 380tq so stock fuel pump is maxed out right off and a typical 454 will run better with a fuel pump upgrade even with stock chip. Yes, we can resolve your issues. Not sure if you have any other issues causing low power though because it should outperform the 5.7L, especially towing. These modifications will help to generate more horsepower without adversely affecting fuel efficiency, which will ultimately increase net mileage. I THINK I want a diesel until I look at the prices. Alright Jay! I'm interested in the available upgrades for the vortec 454. Inexpensive and fairly easy to install, a windage tray will help to keep oil in the sump where it's supposed to be and can even help to extend bearing life by keeping the rotating assembly in balance. I heard these trucks have a torque management system does this computer give my truck back all its power? BBK is your Number One Aftermarket Performance Brand in the USA - American Designed and Built . It was also noted to have more power for gasoline engines. It was utilized in the Chevrolet Silverado, GMC Sierra, Chevrolet Suburban, and Chevrolet Express. Marks spare time was heavily consumed by reading automotive magazines and wondering how in the heck people could land a job testing cars all day. I just purchased your UltraPower GM / Workhorse 1998-2000 7.4L Vortec (454) Custom Tuning. For a plain jane Sierra, not bad in my opinion. This cam is designed specifically for the TBI 350 small-block and specs at 194/214 degrees of duration at .050-inch tappet lift with .398/.442-inch lift. Body Diameter: 16 mm. At times I get a dtc for bank 1 and 2 too rich. When taken together, this fairly inexpensive approach can be good for noticeable gains in fuel economy. "SE" Special Edition Tuning Kit For MerCruiser 454 & 502 Magnum MPI Engines. Yes, as long as it is a "J" (8th digit of the VIN) Vortec 7.4L, we can tune it. I know they were installed in trucks from 96- 00?. Just wondering because Id buy one of those as well. If you send your ECM in, we can make the necessary adjustments you are requesting. That represents a 70-percent increase in horsepower. Thank you. It will not void your factory warranty, and does not modify any emissions systems. the Vortec 7400 (454) that came in that suburban is one hell of an engine, there are also many things you can do to get more mileage and power out of it. First off, I snagged a used 454 throttle body off ebay and sent it out to www.rvmorsemachine.com to get bored to 54mm for some decent air flow for this big block project. The Chevrolet 454s of the 1970s were the most powerful, with the LS5 producing approximately 360 horsepower and the LS6 generating around 450 horsepower. $399.99. Not only did the cam swap net an additional 52 horsepower (peak-to-peak), but the gains exceeded 80 hp higher in the rev range. We can also adjust your speedometer to be correct. The great thing about using a blow-though carburetor combination is the intercooling effect you get from the introduction of fuel. $360.56. thanks, Hey i have a 1997 chevy k2500 7.4 manual nv4500 trans 3.73 engine bone stock with 45,678 on rebuild with a working good ecm is tunning a question if so how much $.