Stage 1 Upgrade for Mercury 525 EFI. Even so, this engine was built primarily to provide huge towing power for CAFE-standard exempt vehicles, so there remains some room for improvement. Yes, we can tune your ECM. Maybe I need to go by the dealer and test drive a diesel or another gasser so I have a comparison. If you want to take full advantage of the cam swap then a custom tune will be needed to address that. The air filter is easily removed, cleaned, and reused. All fuel injector specifications meet or exceed the manufacturer's specification standard. This is a lie. The 8th digit of your VIN is the letter "D" which designates your engine as a 7.4L LP4 which is different from a normal L29 7.4L. So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. youll have to stick to a torque cam because of the computor needs vacuum (speed density) headers will help greatly. The 7.4L was originally offered in three versions: the LS5, LS6, and LS7 (which was never offered as a factory option to the general public). Prices increase after 2/28. The 7400 was essentially the same big block 454 that powered Chevy through the muscle car years, but with improved cylinder heads and a hydraulic roller camshaft, it was far more efficient than the old LS6 could ever hope to be. In search of power, GM reverted to the big-block engine design, with a 454-cubic inch displacement. Any "recalibration" would require sending your ECM to us for programming changes. My next upgrade is going to be exhaust. Seems like it's lacking power towing my boat. Some differences are: 1. If I order a ecm reprogram will this fix my speedometer error too?? Mostly people saying to try this and try that. a good set of headers help to. Switched to Mass-Air Flow. General Motors debuted the 7.4 Vortec in 1970, one year before emissions requirements were tightened and three years before the gas crisis hit with full force. Learn more. It will be plug and play. It has an ohv configuration with two valves per cylinder and a bore and stroke of 4.24 inches x 3 on the intake side. Thank you. See listing details. In an effort to further drop the inlet air temps, we installed a makeshift air-to-water intercooler. Banks iDash: SuperGauge & DataMonster. Headers suggested. Unfortunately this is not something that we offer. Chevrolet BB Gen 6 454-502, '96-'00 Camshafts at Competition Products! Explore Our Forums. The intercooler did indeed drop the inlet air temps before the carburetor from 248 degrees to 111 degrees and the cooler charge dramatically improved the power output. At times I get a dtc for bank 1 and 2 too rich. Temperature measurements taken before and after the carburetor revealed that the fuel cooling dropped the intake charge temperature from 235 degrees (before the carb) down to 120 degrees (after). Weve seen a few 1996-1997 PCMs with this issue. For more information, visit www.P65Warnings.ca.gov, NOTICE: Fororders outside of United States. Dec 18, 2007 . I like my shift points where they are. Hello I have 2000 GMC k3500 Truck. I just bought this 97 suburban 4wd with the bbc. Pindar Free shipping. I do still have all the O2 sensors but would like to delete them if possible. Only tow rigs I have used to pull my Jeep with was this truck and my DD Driver 5.3 Tahoe. 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. We also took the liberty of installing a Race-Port blow-off valve from Turbo Smart. GAS MILEAGE. If it is a 1998 then yes you can. Its amazing what some bolt-on parts can do! It was also noted to have more power for gasoline engines. Truck has k&n air filter, 2.5 inch exhaust (no cats), e3 spark plugs and 8.5mm plug wires. I have now disassembled the entire engine (except the crank and pistons) to check that everything looks good, remove all the dirt and grease and to prepare it for a rebuild. Vise grip, needle-nose and standard pliers. I want to install a cam while you have the ECU. We require the VIN so that we can pull up your vehicle's specific parameters and create a truly customized tune for your vehicle. Buy your Big Autoparts Ignition Distributor Set DR474 DR331 at Amazon! I sprayed starter fluid in the tbi and it fired up for a few second. Oil collects on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons), reducing horsepower through parasitic drag. "SE" Special Edition Tuning Kit For MerCruiser 454 & 502 Magnum MPI Engines. My question is you claim 40-55 hp gain on the 7.4l , and all the other tuners on the internet only claim 20-25hp gain, will I really see 40-55hp gain with stock engine, exhaust, and air filter? Yes, we could accept the PCM from your '98 as the core. After configuring a discharge tube and adding some race fuel, we slowly supplied boost to the boneyard big block. I think they were made before Chevy started using real tornados. New 2-Piece Intake Manifold w/Long Intake Runners 7. Change to a synthetic oil that is light-weight. Configured with our pulley combination, the YSI spit out a peak boost pressure of 19.1 psi where the boosted big block produced 791 hp and 713 lb-ft of torque. It may not display this or other websites correctly. Can you guys tune that ecm? It is an all-iron engine (block and heads . Please see our shipping terms for more information. 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. Wiring is the same. will your new part ecm work on this motorhome. Just make sure to include that information in the order comments and we can make that happen for you :). Once the order is placed and you have paid for a core, we will program a PCM here and ship it with a return shipping label for your core. I'm interested in the available upgrades for the vortec 454. After installed Ultrapower GM/ Workhorse 1998 7.4l Vortec 454c. Would you be able to tune this on a new computer so I can keep the original? Engineered specifically compatible with General Motors Vortec V8 engines,specifically compatible with General Motors Vortec V8 engines,Offering the quality,reliability,durability. 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. Our acclaimed editorial staff covers all aspects of engine and driveline upgrades with a mission of presenting information that is both interesting and achievable for the average car guy. 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. We measured our stock iron heads right out of the box and the retainer-to-seal clearance was only .470-inch. If I send in a functional pcm for my Suburban mentioned in last question whats the average turn around for it? The Vortec enhancements simply allowed GM to pass smog at a higher RPM. from your CUSTOM TUNING,ECM, J'ai l'intention d'amliorer l'ordinateur de mon VR, par un model ULTRAPOWER mais avant d'acheter, j'ai besoin de savoir quels fuel injecteurs seront le mieux adapts ( conomie et rendement ) avec le nouveau module? The GM 7.4L UltraPower ECM has long been the ultimate performance modification you can make to your GM 7.4L powered RV or truck with the highest power gains on the market! You are using an out of date browser. what features will i gain with this new unit. He eventually figured it out. Yes, it definitely will. You can pretty easily get 400+ horses out of that thing and it be streetable. If you don't mind a "dirty" PCM case then we can take care of an order for you. merci. During its five years on the market, the 7400 was employed in 26-foot U-Haul trucks for commercial purposes. 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*. How to Get More Horsepower From a 360 dragster engine image by Robert Young from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media. It is not 4x4. What type of gains could I expect with a tune for this? Also I have Thorley tri Y hearers on mine will that effect the tune? Is there any way I could send you that one as a core in return for one to work in my 2000? A stock 12v ain't got **** on a BBC. Does this upgrade have a negative or positive impact on engine life? Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube. Can i tell if my RV has this already? Interested, but don't want to buy one to find out i've already got it :D (my unit has 2 previous owners i think). We are currently out of clean/painted cases for the PCM's. The performance chip is fully compatible with your Chevrolet Silverado 1500 in all trims, including the 2.7L, 3.0L, 4.3L, 4.8L, 5.0L, 5.3L, 5.7L, 6.0L, 6.2L and 7.4L engines. We gain on average 45-50 horsepower and 50 ft. lb. With our tuning, peak horsepower is at about 3500 RPM and peak torque is about 2500 RPM. Is it not the same motor from 96 to 2001. 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. Other #s not sure what they are if theyre useful, 86DAFMM0017433PS, HDW # 16239740. Originally Posted by PonyKiller87 Ok, sounds just like swapping over the 96-00 vortec 350 to the 0411 as far as the wiring goes. A restrictive or clogged air filter makes the engine work harder to breathe, which reduces efficiency. I am considering your tune for my motorhome. We require the VIN so that we can pull up your vehicle's specific parameters and create a truly customized tune for your vehicle. JavaScript is disabled. So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. Oil tends to collect on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons) and reducing horsepower through parasitic drag. All other modifications are going to be expensive, labor intensive and still not necessarily yield the same results. $399.99. I'm sure there are other differences that would need to be addressed but you should still be able to re-use the original key and ignition harness. BBK Power Plus 80 millimeter Throttle Body for GM Vortech 305/350/454 for all BBK 1996-1999 GM Vortec 305, 350, 454 throttle bodies are designed to increase airflow and improve horsepower from between 7-12 HP depending on the vehicle and . It is a re-programmed ECM, either you send yours in or we send you one on a core exchange. Whats left, though, is a 454 cubic-inch big-block Chevy with huge potential. 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. Will this correct my RPM gauge issue? The same 290 horsepower that was standard for all GM cars in 1980 was maintained throughout the decade. and will it improve my over all power? These modifications will improve net mileage without sacrificing power, resulting in better overall mpg. Or is it what get is all you get? If so, is that the unit that sits above the radiator of a 2000 Itasca Suncruiser V32 w/ L29 7.4l (454ci) Vortec? I dont have the 2000 VIN only the VIN from my 1995. Since the cat removal shift points have been wonky. And i was wondering what benefits will i see with my 454 i have a new jasper motor with upgraded injectors and full exhaust. 16238212. The 7400 was essentially the same big block 454 that carried Chevy through the muscle car years, but a hydraulic roller camshaft and revised cylinder heads helped to make it far more efficient than the old LS6 could ever dream of being. You may also like. Can I reprogram on the fly as conditions change and performance needs warrant a change?? Some parts are not legal for use in California or other . 90 and older is particularly bad and that is largely due to NO OVERDRIVE. Your vehicle is not compatible. I tow a large fifth wheel trailer with RPMs between 1800 to 2500 typically. No where near diesel power my ass. way stronger than a stock 12v, 6.5, & 7.3 powerstroke by far!!!! Thanks to a maximum impeller speed of 65,000 rpm (racers go even higher) and a peak efficiency rating of 78%, the Vortech YSI was capable of supporting over 1,200 hp at 30 psi. BBK Performance Parts 1710-XD GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD. I am doing a cam swap on a 98 GMC K3500 7.4 comp cams telks me i will need a custom tune according to cam specs this truck is primarily used for towing plan to use stock fuel injection if posdible any info would be greatly appreciated, I have a 1996 Chevrolet K3500 what is 7.4 454. 7.4 Vortec Specs Chevy based the 7.4 Vortec off their 454 big block engine, hence the name 454 Vortec. I'm saving up for the banks power pack system. I would like to get the o2 delete. For this test, the motor was configured with an Edelbrock RPM Air Gap intake and Holley 750 carburetor. 49073 - Banks Power TorqueTubes GM P-series 7.4L 454 96-00, SPW7400 - UltraPower 7.4L Vortec Magnum Workhorse/Chevrolet Spark Plug Wires (1996-2000). Alright Jay! For a better experience, please enable JavaScript in your browser before proceeding. Later i want to install the banks PPB 49070 package on this motorhome next year. To others, the 7.4 Vortec 454 big-block was the perfect engine at the wrong time. Elgin Industries set of (16) Hydraulic Roller Valve Lifters compatible replacements for Big Block Chevy GMC & Pontiac engines. I have a 2000 C3500 with the 454/L29 and auto trans. Before adding boost, the boneyard big block was run in normally aspirated trim and produced 427 hp at 5,500 rpm and 476 lb-ft of torque at 3,900 rpm. The compression was plenty low for use with the blower, but the extra power it provided would eventually be multiplied by the boost. Thanks for any help. I use the truck for towing and it is quite weak, If this ecm has to be reprogrammed in the future do I go to GM Dealer or have to send back to you?? is this unit ready for plug and play. My question is that I have a 1998 7.4 parts truck. Right now I have a CAI, 2" full length headers, 3" dual exhaust and EGR delete. The engine receives cooler, more oxygen-dense air through a chilly air induction system. I have a 98 C-3500 dually with a Vortec 454. The tune will definitely wake the truck up. Im doing a full build on the motor Ive been told that these injections systems dont do well with these kind of upgrades. Vortex comes from the word vortex. The goal was to construct a fuel-efficient engine with an air-to-fuel combustion system that would eventually produce more power. Dedicated to making your Chevy Truck bad***. It was utilized in the Chevrolet Silverado, GMC Sierra, Chevrolet Suburban, and Chevrolet Express. Installed E3 spark plugs which seemed to help. If you continue to use this site we will assume that you are happy with it. Next best upgrade you can make is the Banks TorqueTube headers (, We recommend these injectors:https://www.fiveomotorsport.com/bosch-oem-454-j-code-884-black-knight/. Check back with us as we plan on adding a set of Brodix Race Rite aluminum heads to the mix in Part 2 of Project Boneyard Boost. Hi Warren, that is definitely something we can tune for. We immediately checked the latest 8.1L off the list due to lack of availability and parts cross over. The Vortec 8100 (RPO L18) is a V8 truck engine. The single core from CXRacing featured 3.5-inch inlet and outlets and had been tested previously at over 1200 hp and 25 psi. We can tune stock or modified, not a problem. Our typical turn around time is 2-3 business days. torque so it will definitely be able to hold the upper gears better when hill climbing and have improved acceleration. Only a set of dyno headers and an electric water pump were different. The heads, pistons, and intake are stock. Most generic tuners only change very basic parameters within the computer, whereas UltraPower Tuning changes approximately 400 parameters including both engine AND transmission settings. Free shipping for many products! They said they no longer support my RV and had no parts available. I have a 1996 Winnebago with a P30 chassis and a 454 75,000 miles and runs great. I have a 2000 7.4 with a bigger cam cold air kit dual exhaust better mass air flow senser and roller tip rockers can u tune that as well or do you just do stock stuff, I have a 99 k 3500 Chevy 1 ton with 454 5 speed.will your computer tune work in my truck and can I expect 40+hp gain? The old, weak 240 HP 454 is every bit as. Apr 14, 2016. 496 cubic inches. The LS6 was discontinued after 1971 because of tighter emissions controls, and the LS5s power had dropped to about 245 horsepower by 1973 as a result of more stringent emission standards. Could you do a downstream 02 sensor delete? It was bone stock 2x4 extended cab dually. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. But like any stock engine, there was tons of power left to be squeezed out. I didnt see anything on the site but that doesnt mean I saw everything. If you send your ECM in, we can make the necessary adjustments you are requesting. I have had a hard time finding much of anything for these engines. Chevrolet 7.4 Vortec was a modern-day improvement of the firms most legendary big block. All rights reserved. . It is located on top of the radiator support and has 4 connectors going into the back of it. Also the torque management. im wanting /needing power and torque. Make use of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. The cooler charge air (plus tubing length and bends) dropped the peak boost pressure from 19.1 psi down to 17.7 psi. We can also adjust your speedometer to be correct. $399.99. Is there anything to be gained within my parameters? Is the pcm that is used a 411? Cost is $395 plus a $175 core charge which is refundable. We would just need to know the tire size you are running and if the rear gear ratio was ever changed from factory. If product is incorrect for the provided VIN we will contact you to revise order. oh, by the way, this is a low mileage engine, single owner and I have taken excellent care of this truck. Check if this part fits . Yes it would, the Banks PowerPack is helping the engine breathe better but the computer is not doing anything to take full advantage of it. Does this computer hav egr delete programmed into it. Vortech Superchargers The 454 cubic-inch 7400 Vortec V-8 GM motor, which produced 290 horsepower at 4,000 rpm and had 410 pound-feet of torque at 3,200 rpm, was a smooth four cylinder without much difference between the top and bottom. We do not go further back than 1996 (OBD2) modules, sorry. We wanted to make sure the air/fuel and timing curves were spot on before running the supercharged monstrosity in anger. Injector type: US-CAR, saturated. Thanks. Windage trays are thin, sheet metal plates that bolt to the bottom of the main caps and act as a barrier between the oil in the pan and the crankshaft counterweights. I know they were installed in trucks from 96- 00?. The peak numbers jumped from 791 hp and 713 lb-ft with no intercooler to 847 hp and 761 lb-ft with the intercooler. It went through different upgrades over the years finally ending with the 454 Vortek which stopped production in 2001. This thing is weak as water. 3. This camshaft provides more lift and longer duration using the 10-12 Manifold vacuum. Only a set of dyno headers and an electric water pump were different. 95K views 2 years ago WESTECH PERFORMANCE GROUP LETS TALK TORQUE! I replaced the relay to no avail. Yes you are correct that there is torque management which "pulls" back power when taking off from a stop. Apr 9, 2008 #4 7 70SSman Veteran Member Aug 11, 2005 134 Amston, CT, USA 100$ with low miles. I straight wired it to test it and it will run. As long as the engine is well maintained, reliability is not affected. We can send a pre-programmed ECU on core exchange. These modifications will help to generate more horsepower without adversely affecting fuel efficiency, which will ultimately increase net mileage. Another popular upgrade is changing to Bosch 4 hole injectors. We do not, however, have core PCM's for this engine so you would have to send your PCM in for the flash. Buy your K&N PF-1000 Fuel Filter at Amazon! Yes, we can tune your L21 for similar gains as with the L29. You can source the 454 HO directly from Chevrolet. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. We have a complete Banks Power System and Banks Air Flow. 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. If they were cheap enough, sure. Cats have been removed as well as smog pump. The 7.4 Vortec was essentially the same big block 454 that Chevrolet used to power its muscle cars, but it gained a hydraulic roller camshaft and improved cylinder heads to make it considerably more efficient than the old LS6 could ever hope for. Check the make, year, and model of your car to see if the VIN number is available. With the baby stock cam they made 290hp and 415 ft lbs of torque. The batteries are fully charged and there is 12 volts to the distributor. And performance tune? It was produced as a gas alternative to the new Duramax LB7 diesel, offering a high-torque gas engine capable of towing just about anything. Is this doable? The budget portion of the equation came from a 7.4L Gen VI big-block Chevy straight out of the local wrecking yard. Growing up, Mark always had a mind for tinkering on random items throughout his home and dads garage, including a 1953 Ford Mainline and 1971 Corvette Stingray. Or if I pay to send in, is the return shipping included in the $495? For a plain jane Sierra, not bad in my opinion. Feb 1, 2016 #2 Jorge6.5 I'm Awesome Joined May 17, 2013 Messages 1,015 Reaction score FULL RESULTS-GEN 5 454 UPGRADE-STOCK PEANUT PORT HEADS. Yes that would be fine, you would just need to call in to our service department and schedule a date :).