If they were cheap enough, sure. I do some pulling but mainly driving with this truck I have a factory y pipe with no cats and dual 3 inch flowmaster mufflers. We can even modify these Chevy 454 rebuild kits to your specifications, giving your vehicle exactly what it needs for maximum performance. As long as you don't have any emission systems removed, you will pass without any issues. I am considering doing an EGR delete and I wasn't sure if this would accommodate that or if it will still throw a check engine light. Chevrolet BB Gen 6 454-502, '96-'00 Camshafts - Competition Products Check if this part fits . Now, that poses the question: what would you shoehorn this big-block Chevy into? Step 2 Install a high flow air filter and cold air induction intake. Why a motorhome? Chevrolet 7.4 Vortec was a modern-day improvement of the firms most legendary big block. Yes, we could accept the PCM from your '98 as the core. 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 have a 1999 3500 Chevy crew cab with the 7.4l 454 Ive got Gibson headers true dual exhaust with flow masters no cats. 7.4 Liter Vortec Info | GMC Truck Forum Also I dont have either downstream 02 sensors. 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. We have no issues with tuning a higher mileage engine as long as it is in good running condition. Roller Lifters 5. The previous owner had the engine rebuilt in 2012 and tells me they installed an RV cam but I am not sure which one. The K&N raises the horsepower of your 5.7 Vortec crate engine by 45 percent. JavaScript is disabled. Normally, advancing the distributor would increase octane sensitivity and possibly fuel economy, but the upgraded ignition system will allow you to do so without adversely affecting fuel burn or horsepower. im wanting /needing power and torque. This camshaft provides more lift and longer duration using the 10-12 Manifold vacuum. I have a 2000 GMC school bus with the L21 7400 motor. This is a lie. I assume the module is a pre-programmed ECM chip that replaces the stock ECM chip. Despite the impressive cooling powers of the carburetor, we were still concerned about the elevated charge temps going into the carburetor. Really? I have a vortec454 in a non smog az tow vehicle. Orders placed on the weekend or after cutoff on Friday, and orders placed on select holidays, If you will be sending us your ECM for reprogram you will need to select "Remove Core Charge". And i was wondering what benefits will i see with my 454 i have a new jasper motor with upgraded injectors and full exhaust. I have a few questions so bear with me here. If so, is that the unit that sits above the radiator of a 2000 Itasca Suncruiser V32 w/ L29 7.4l (454ci) Vortec? For more information, visit www.P65Warnings.ca.gov, NOTICE: Fororders outside of United States. TQ with those modifications done. Free shipping. 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. It is not 4x4. UltraPower 7.4L ECM Benefits: Gains of 40-45 HP and 45-50 lb-ft torque depending on existing upgrades Gains of 1/2 - 1 MPG Maintains speed and higher gears when climbing hills Although Chevrolet does not explicitly recommend it, because a full synthetic is so slippery, you can use a lighter weight oil without risk of excessive engine wear. Then, in 2001, GM dropped the 7400 and 454 combination in favor of the final powerful big block, the 8100 496-cubic inch engine with 340 horsepower at 4,200 rpm and 455 foot-pounds of torque at 3,200 rpm. That just won't do. I replaced the relay to no avail. It wasnt the best moment to put out a big cubic inch big block designed for performance vehicles, but the Chevy 454 made an impact. 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 ?? Thousands of satisfied customers have reported fuel economy increases as well as less transmission downshifting because of the increased horsepower and torque. Mfg Performance Parts www.straubtechnologies.com www.distributorgears.com 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. I've made several performance upgrades myself, but are always looking for something better. 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. I have the parts list and see one item called 01-412-8 hyd roller cam for $315. Only a set of dyno headers and an electric water pump were different. I will be sending you my ECU. watch out for chips as they just bump the fuel curve. I dont have the 2000 VIN only the VIN from my 1995. Here is info from COMP Cams. Alright Jay! Set of 8 1996 - 2000 GMC Chevy 7.4L 454cid Vortec Bosch 4 Hole Upgrade Cost would be $495. Rowe studied engineering, philosophy and American literature at Central Florida Community College. We can tune it if you can build it :). Is it worth tuning a black box or worth changing to 411, I have headers ,cat delete, 19.5 five 0 injectors, and Pulling cam swap. I filled out a form and sent to COMP Cams to see what they recommend and sent an e-mail to Blackbear to see what cams they had experience with since I will need to PCM tune redone. Reasons to buy: I didnt see anything on the site but that doesnt mean I saw everything. Buy in monthly . Do you folks know of cam upgrades along with tuning that would give power upgrades on a l21 with a manual transmission ? Chevrolet Performance 10141280 Part Number: 809-10141280 Chevrolet Performance L29 Vortec Cast Iron Cylinder Head L29 Vortec Cast Iron Cylinder Head 1991-2000 Big Block Chevy Gen V/VI Engines Only Bare Head Sold Individually View Details $756.99 Ships on 03/02/23 FREE Shipping Lowest Price Guarantee Add To Cart However, this engine was intended to provide significant towing power for CAFE-exempt vehicles, so there is still room for improvement. . We use the original black box PCM's. merci. . Feel free to call me with your vin # handy if you would like to get your order in. From my experience, the HyperTech programmer for those engines is pretty generic and does not make very many changes in the programming. We wanted to make sure the air/fuel and timing curves were spot on before running the supercharged monstrosity in anger. Thank you. Motorhome Performance Parts and RV Upgrades - BanksPower Apr 14, 2016. They also installed roller lifters, heavy springs and chain/gears. Edlebrok performance heads with factory Combustion chamber size 100-110cc, valves set for .700 lift, I-2.190 E-1.880, 3/8" guideplates : http://www.summitracing.com/parts/EDL-60499/ GM Vortec EGR blockoff plate p/n is 12554606. Parts overview- James L29 Vortec 454 build Ep2 - YouTube 1998 k 3500 454 auto 4:10 Dually..What on earth can I do to get more out of my truck..without mortgaging the house. vortechsuperchargers.com. 2. At times I get a dtc for bank 1 and 2 too rich. 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. Even better than the big peak gains was the fact that the cam swap . It was only designed for Chevrolets high-performance vehicles, such as the Chevelle and Corvette, and there were claims that engine horsepower output was actually underreported by Chevrolet during the muscle car wars. We measured our stock iron heads right out of the box and the retainer-to-seal clearance was only .470-inch. Using 3.5-inch aluminum tubing from CXRacing, we configured the intercooler between the YSI supercharger and the blow-through carburetor bonnet. 2000 Chevy Truck 454 Specs | It Still Runs Can you reprogram and net me the same HP & TQ numbers as the L29? Are there any gains to be had by programing and adding headers to my truck? That represents a 70-percent increase in horsepower. Whats left, though, is a 454 cubic-inch big-block Chevy with huge potential. . With our tuning, peak horsepower is at about 3500 RPM and peak torque is about 2500 RPM. Vehicle Monitoring and data-logging like no other! If it does work what would do for pulling and climbing hills? what does this do at emission inspections?? 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 . Please contact us directly to set that up at 800-417-4559. It is quite a noticeable difference! I was interested in your tune for this engine and was wondering what your best guess on the horse power / toque gains would be. Do you still tune the 96 ecm? I tow a large fifth wheel trailer with RPMs between 1800 to 2500 typically. The General Motors 7400 is the name given to a 7.4-liter Vortec engine produced by GM from 1996 until 2001 as a truck engine. In 1996, when all of GMs models received excellent reviews due to a new range of engines that added power, every one of its vehicles were praised by clients. We do not, however, have core PCM's for this engine so you would have to send your PCM in for the flash. Check out their web sight Bankspower.com 800-417-4559 Jay, https://www.ultrarvproducts.com/UltraPower-GM-Workhorse-7.4L-(454)-Custom-Tuning. Install an aftermarket windage tray in your engine. 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. It would be a good idea to re-tune for the Banks and injection systems. 7.4 Vortec Vehicles Applications The Vortec 7400 had two variants, the L29 and L21, and they appeared in the following vehicles: Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasnt a big surprise. The 1993-or-so design FEAD has been shown the clear the factory hood. my ecm has to be replaced. Fortec4x4 Jeep Customizing - FORTEC4x4 I have a 98 C-3500 dually with a Vortec 454. I called Banks Power last week to try and find out what they recommend. We'll send you the most interesting Street Muscle articles, news, car features, and videos every week. You may also like. I heard these trucks have a torque management system does this computer give my truck back all its power? Edelbrock 7162 Performer 454 Cam kit can produce 540 horsepower and 530 ft-lbs torque power on a 454 engine. If you send it to us you avoid paying the core charge. We've had a lot of issues with 1996 & 1997 PCM's so for the moment we are not tuning those. 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. This combined with the internal step gearing and maximum engine speed of 6,000 rpm to produce a peak impeller speed of 51,700 rpm, well below the listed maximum of 65,000 rpm. A/T Flywheel, Hedman TEMS headers, and all the other good stuff that goes with a long block. New 2-Piece Intake Manifold w/Long Intake Runners 7. These modifications will improve net mileage without sacrificing power, resulting in better overall mpg. UltraPower 7.4L ECM Benefits: Gains of 40-45 HP and 45-50 lb-ft torque depending on existing upgrades Gains of 1/2 - 1 MPG Maintains speed and higher gears when climbing hills GAS MILEAGE. 454 VORTEC UPGRADES | HardlineCrawlers 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). So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. Primary or Expansion Gauges And Upgrade Kits (52mm) For 2008+ OBDII CAN bus vehicles, Upgrading SIx-Gun, Economind, and SpeedBrake, or use with BBus Sensor Modules. 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. The tire are one size larger than stock to the speedometer is off a little. Safely gain up to +35 HP and up to +5 MPG in fuel mileage in your vehicle by safely optimizing your air/fuel ratio and timing curve for increased efficiency! Recommended 454 TBI modifications | TBI - harristuning.com If you send us your PCM, our turn around is usually 1-2 days. Explore Our Forums. Naturally, the truck-based 454s. Use a set of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. I've always heard that they were a good upgrade to the TBI 454 and earlier 454 heads. It may not display this or other websites correctly. 2019 Rodney W. Brazel Inc. - Ultra RV Products is a Division of Brazel's RV Performance, UltraPower GM / Workhorse 1998-2000 7.4L Vortec (454) Custom Tuning, within 24 hours from the order date. Truck is stock otherwise and runs good just looking for more out of it. Precision Auto Injectors Set of 8 Genuine OEM 1996-2000 GMC Chevy 7.4L 454CID Vortec Rochester Fuel Injectors. How to Make a Chevy 454 Vortec More Efficient | It Still Runs I just put the k&N system on my truck made a huge difference in sound and performance I would deffanitly recomend spending the $250. It specs out at 265 HP@4500 RPM and 340 ft/lbs of torque@3500 RPM. These modifications will help to generate more horsepower without adversely affecting fuel efficiency, which will ultimately increase net mileage. However, Chevy still offers the 454 big block V8 as a crate engine. Whether the kit is intended for stock replacement or racing, various levels of compression will allow for improved performance with emphasis on top-end power and high RPM. I have the 411. Chevrolet Performance 454 HO 454ci/438HP Crate Engine - JEGS A few weeks ago I bought a very low milage 454 Gen. VI L29 Vortec engine with hydraulic roller. Gains will be on par with what we achieve with the RV's so it will very well suited for towing. 496 MAG Performance Parts Performance Applications Chevy / GM Trucks Would the retuned ECM provide any performance gains above what are present now? It is an all-iron engine (block and heads . Yes, all gains listed are with 87 octane gas. We are not able to assist in providing this PCM. It went through different upgrades over the years finally ending with the 454 Vortek which stopped production in 2001. Chevy Performance BBC L29 Vortec Cast Iron Cylinder Head - JEGS In addition to the powerful YSI supercharger, the kit included a cog-drive system to eliminate belt slippage under boost. The Vortec 8100 (RPO L18) is a V8 truck engine. I plan on a couple of cross country trips this summer before the Banks PPB install, so, should I wait for the tune until after the Banks install or do the tune this year? 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. 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. 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. Prices increase after 2/28. My car is GMC pick-up 7.4L 1998. it is manual transmission. I had a 7.3 F250 about 8 years ago and I really think the ol Chevy would run with it or out run it. is this unit ready for plug and play. Jump to Latest Follow . The cooler charge air (plus tubing length and bends) dropped the peak boost pressure from 19.1 psi down to 17.7 psi. Vortec 454 7.4L Fuel Injector Upgrade, Replacement old injectors with I straight wired it to test it and it will run. 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. Originally Posted by PonyKiller87 Ok, sounds just like swapping over the 96-00 vortec 350 to the 0411 as far as the wiring goes. 3. My goal is to improve torque and trans efficiency then MPG. Dec 18, 2007 . Pindar Thinner oils allow the internal engine components to spin more freely and effectively, which improves their function. The truck does not need to be emissions compliant. 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. Elgin Industries set of (16) Hydraulic Roller Valve Lifters compatible replacements for Big Block Chevy GMC & Pontiac engines. And a k and n filter. Great motor and runs strong with gobs of TQ. The old cast-iron cylinder heads and low-rise intake manifold were dumped in favor of some aluminum PowerOval 280 heads from Trick-Flow with upgraded valvetrain and a Summit single-plane intake manifold. Well, they can be had stupidly cheap, not counting the extra work it takes to remove the engine and then dispose of the lifeless RV. 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. Also known as the Vortec 7400 (7.4L, Regular Production Option designation L29), Chevrolet's Vortec 454 was a modern-day evolution of the company's most legendary big block. If not can a non uhaul ecm be used (ie plugged into the current harness)? As you can tell, it doesn't deliver much. Wiring is the same. Based on experience, we have had good results with Comp Cams 212/218 hydraulic roller camshaft. 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. The Official Vortec 454 Info thread - GMT400 My question is that I have a 1998 7.4 parts truck. Yes, we can do that. Yes, this would be the compatible ECM with your VIN and part #. I am doing a full engine swap from a damaged motorhome to my older motorhome. 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 banks system will give you 70hp and 85lb-ft. oh, by the way, this is a low mileage engine, single owner and I have taken excellent care of this truck. If I send yall Parts list of what kind of cam, injectors, pistons, etc. My next upgrade is going to be exhaust. He eventually figured it out. I read in earlier questions asked that you had stopped doing the earlier ones. CAN YOU REALLY MAKE DECENT POWER WITH A SET OF PEANUT PORT BBC HEADS?. Performance Street, great low to mid-range. Its 567 horsepower of usable, reliable, fun power that anybody on a budget can build. This ignition system upgrade will allow you to set your distributor for a little more timing advance. Is it possible to upgrade the ECM on my 1994 Fleetwood Southwind Storm 454 TBI w/4L80E trans? If you continue to use this site we will assume that you are happy with it. Gains with the modifications you have done would be around 45 HP/ 45 TQ. I would think that u-haul did not use their own ECM. The Chevrolet 454 was phased out in most passenger vehicles by 1975, but it remained a viable power plant in heavy-duty Chevrolets until 1996. A stock 12v ain't got **** on a BBC. 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. Mostly people saying to try this and try that. 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? 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. Windage trays are thin, sheet metal plates that fit over the bottom of the main caps and act as a barrier between the oil in the pan and the crankshaft counterweights. I have a 2000 3500 454. Some parts are not legal for use in California or other . BBK Performance Parts 1710-XC GM VORTEC 305/350/454 80MM POWER PLUS The tuning alone will be the single biggest change you can make to improve power and throttle response. Im also trying to get more out of this engine without tearing into it so I was just hoping this fixed my gauge as well. 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? 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? Hardin Marine - EFI Upgrade Kits Sequential-Port Fuel Injection (454 only had 2 Throttle Body Injectors) 3. The C/K 3500's standard engine is a 5.7-liter V8 OHV 16-volt FI engine, and the 454 engine comes as an optional upgrade. Return shipping is included , you are responsible for shipping to us , however if you choose the "core charge" and order the ECM , we can provide a return shipping label for your core and deduct from the core refund. Yes, you can pay the $100 up front core charge and be refunded when you send your original back to us. I am of the same opinion that the UltraPower programming is going to be by far your best "bang for the buck". When it shows 55 MPH your actually going about 57 to 58 MPH. It is a re-programmed ECM, either you send yours in or we send you one on a core exchange. 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 $. I have a 1998 Winnebago Brave on a p30 chassis with the 7.4 with a Banks Power Pack. Also the torque management. 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. 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". If you want to send your PCM in that you know is functional, that is the best way to do it. Free Shipping over $199* Same Day Shipping before 7pm* Price Match Guarantee Free Shipping over $199* Same Day Shipping before 7pm* I'm interested in the available upgrades for the vortec 454. The old camshaft came out, too, with a meatier hydraulic bump stick with 0.600 inches of lift taking its place. It will not void your factory warranty, and does not modify any emissions systems. Is this enough information to create a tune or will you need more information? This mod will not be inexpensive or simple to execute, but it will pay for itself if you do a lot of towing or drive a lot of miles. 2023 Power Automedia. 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. Without going into the engine, they make a supercharger kit for it, I know whipple use to. It was known as the Vortec 7.4 (7400, Regular Production Option designation L29) in North America and across other markets. Roller Cam, .483 Lift . So if I have your tune done what is the turn around time sending my PCM to you? If you choose the core option we will program an ECM here and ship to you. The engine displacement in liters is 7400, which is readily changed to 7.4 liters. I plan on the injector and ignition work done in march. The guys over at Hot Rod magazine wanted to prove its possible to make big horsepower from a Chevrolet big-block V-8 lifted from a junk1986 motorhome. Budget Vortec Head Upgrade: Easy, Money-Saving Benchtop Mods We can also take care of the TQ management for you. I have a 2000 gmc k2500 with the l29 454. How much will the customization cost me? That said, the main internal differences between the L29 and L21 is that the L21 has forged pistons and crankshaft. And performance tune? This engine has two valves per cylinder and features multi-port fuel injection. This project will also let customers know if spendintg approx $2300 on all these upgrades is going to give them the results they need from their big block engines. Thanks for any help. my old part number on ecm is 16263494 on 1999 454. We immediately checked the latest 8.1L off the list due to lack of availability and parts cross over. They left all the original parts in place like the two-barrel carburetor and dilapidated ignition system. 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. will i notice anything? Switch to a lightweight synthetic oil. Just need a working substitute, no enhancements really needed. Injector type: US-CAR, saturated. Also I have Thorley tri Y hearers on mine will that effect the tune? Dedicated to making your Chevy Truck bad***. Yes, we can tune your L21 for similar gains as with the L29. Chevy Engine Kit - Chevy Stroker Kit, 454 Big Block, 454, 496 - Coast High