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. The 8.1 Vortec was produced to compete with Dodge's 8.1 Magnum V10, and Ford's V10 Triton engines of the time. It would be a good idea to re-tune for the Banks and injection systems. They have a high strength carbon steel housing and a high performance rolled seam that exceeds OEM pressure requirements. The terms ECM, PCM, and VCM are all used to describe the engine computer by various manufacturers, yours is located above the radiator . Do you still tune the 96 ecm? Our kits include camshaft, lifters, piston rings, pistons, both rod and main bearings, cam bearings, timing components, oil pump, frost plugs and gasket set, with an option to purchase a crankshaft as well. We tune the original black box PCM but do not do the 411 swap. Originally Posted by PonyKiller87 Ok, sounds just like swapping over the 96-00 vortec 350 to the 0411 as far as the wiring goes. We use the original black box PCM's. 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. . You claim 40-55hp gains is that something that I will notice drastically or is it more of a subtle power increase? Yes we modify the shift patterns to hold the upper gears longer, your shift kit would not interfere or cause issues. It debuted in 1970 as an upgrade of the 427 big-block V8 engine. Yes, you will still pass emissions as long as you don't tamper with the existing emissions systems. Free shipping. Is this doable? 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. No videos but your ECM is fairly easy to identify and replace. what does this do at emission inspections?? Dec 18, 2007 . Do you have any videos of how to locate and remove my ECM? 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. If you send us your PCM, our turn around is usually 1-2 days. Warmed up at idle the gauge is reading 1200RPM then put it into drive holding the brake and its reading about 1000RPM. Also, is shipping included both ways? 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. 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? Don't worry about what a camshaft may produce at 4000-5000 rpms in truck engines like this - YOU DON"T DRIVE THERE! My question is that I have a 1998 7.4 parts truck. You are using an out of date browser. Forget the typical race-motor build up, Boneyard Boost was all about force feeding some tired, high-mileage workhorse we purchased for the paltry sum of $500 ($250 on half price sale weekend!). Just make sure to include that information in the order comments and we can make that happen for you :). 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. That just won't do. Check if this part fits . Will the UltraPower tune, give me the "best bang for my buck" performance increase? I want to install a cam while you have the ECU. We use cookies to ensure that we give you the best experience on our website. How much will the customization cost me? Short tube headers won't do anything for you but long tube headers would he beneficial. 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?? What sets us apart from the others? Following up from previous question, here is the VIN 1GDG6H1BXYJ907917 and #s off the ECM, 09384681, sev. When reliability and performance can't be compromised, you want TXL Wire - not the inexpensive primary wire you find in other harnesses; High strand count copper and high-quality insulation makes for high abrasion resistance and easy routing. The state of California requires that this warning be posted for people purchasing products that reside in California. He has worked as a tractor-trailer driver and mechanic, a rigger at a fire engine factory and as a race-car driver and builder. 16238212. It gets you an EGR blockoff plate for the Vortec 4.3/305/350 engines. I have had a hard time finding much of anything for these engines. Precision Auto Injectors Genuine Delphi 12568155 12586557 GM Fuel Injectors Set of 6 2004-2007 GM 3.5L OHV. 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. A cold air induction setup will feed the engine cooler and more oxygen-dense air. 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. 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. I just purchased your UltraPower GM / Workhorse 1998-2000 7.4L Vortec (454) Custom Tuning. Do you have identifying marks on the ECU? The tune will definitely wake the truck up. I've made several performance upgrades myself, but are always looking for something better. 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. Only a set of dyno headers and an electric water pump were different. Buy your Innovative Performance Chip/Power Programmer at Amazon! 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. I read in earlier questions asked that you had stopped doing the earlier ones. Its amazing what some bolt-on parts can do! FULL RESULTS-GEN 5 454 UPGRADE-STOCK PEANUT PORT HEADS. Would this work on 1996 7.4L L29? 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. And a k and n filter. As long as the engine is well maintained, reliability is not affected. 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). Project Boneyard Boost was one of those rare occasions where we got to apply a massive infusion of power to a motor that cost next to nothing. Despite the impressive cooling powers of the carburetor, we were still concerned about the elevated charge temps going into the carburetor. 1997 gmc 3500 cc dually. Yes, we can tune your ECM. Install a high-flow air filter and a cold air intake. We are not able to assist in providing this PCM. 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. When you buy a single component or a complete kit, like a camshaft, you must ensure that it is suitable for your car. 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. 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). 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. Is there a way you could tune that out completely or as much out as you possibly can? I have a 2000 GMC school bus with the L21 7400 motor. In 2001, production of the 7400 line was discontinued. 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. Truth be told, Vortech offered a number of Maxflow Aftercooler systems but we selected an intercooler core we had on hand for testing. 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. CAN YOU REALLY MAKE DECENT POWER WITH A SET OF PEANUT PORT BBC HEADS?. Another popular upgrade is changing to Bosch 4 hole injectors. O-rings: Top and bottom, 14.5 mm - Viton. The results: 567 horsepower and 537 pound-feet of torque on 89-octane pump gas! will your new part ecm work on this motorhome. Check if this part fits . 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. 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. Roller Lifters 5. I just bought this 97 suburban 4wd with the bbc. Do you folks know of cam upgrades along with tuning that would give power upgrades on a l21 with a manual transmission ? 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. It will not void your factory warranty, and does not modify any emissions systems. 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. 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. We have no issues with tuning a higher mileage engine as long as it is in good running condition. Now, that poses the question: what would you shoehorn this big-block Chevy into? Your vehicle is not compatible. 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. Technical Specifications: No filter cleaning required for up to 100,000 miles. will i notice anything? If you would like to place your order feel free to give me a call at 800-417-4559. The stock injectors are fine for our performance tuning. I have a 2000 gmc k2500 with the l29 454. I recently ordered an ecm for a 7.4 vortec and was very impressed. 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! Steel Camshaft 4. Use a set of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. . As long as you don't have any emission systems removed, you will pass without any issues. A windage tray, which is cheap and simple to install, can help to keep oil in its proper location by keeping the rotating assembly balanced. If it does work what would do for pulling and climbing hills? The Gray, the green with white strip and the black test grounded. Chevrolet Performance's 454 HO crate engine is a Big-Block bargain - an affordable engine with performance specs that will make you think it's 1970 all over again. I installed a K&N replacement are filter in the stock air box. Really? K&N fuel injection performance kit. 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 $. Gains with the modifications you have done would be around 45 HP/ 45 TQ. Even so, this engine was built primarily to provide huge towing power for CAFE-standard exempt vehicles, so there remains some room for improvement. I've installed hypertech power programmer, lower thermostat, gale banks torque tube headers and full exhaust, with hi-flow catalytic converters, shift-kit for tranny and larger external cooler. I am considering some performance upgrades to my 2000 Winnebago Brave with the 7.4 liter engine. 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 will be sending you my ECU. It can be done fairly cheap , power for days and 15-20mpg, I repeat. Their high performance cellulose glass media traps contaminants such as rust, dirt, scale and other foreign materials. GMC 7.4L/454 JET Performance Parts and Accessories Brand: JET Performance Make: GMC Engine Size: 7.4L/454 Individual Parts Part Groups In-Store Pickup Results 1 - 25 of 117 25 Records Per Page Default Sort JET Performance Programmers 15024 Computer Programmer, Chevy, GMC/Cadillac, Fullsize Pickup/SUV, 4.3L/5.0L/5.7L/7.4L, V6/V8, Each Been reading the net the last few days on power upgrades for my truck after reading the "best year diesel" thread on here. Yes, we tune for 87 octane unless a higher octane is requested. 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. The heads, pistons, and intake are stock. It was the same size as the outgoing 7.4 L V8, but got a boost in power and more towing capacity. Oil tends to collect on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons) and reducing horsepower through parasitic drag. 454 L29 Power Upgrade. For a plain jane Sierra, not bad in my opinion. I assume the module is a pre-programmed ECM chip that replaces the stock ECM chip. Without going into the engine, they make a supercharger kit for it, I know whipple use to. 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. We can tune stock or modified, not a problem. Use for stock replacement OEM original equipment. Mfg Performance Parts www.straubtechnologies.com www.distributorgears.com Mar 20, 2011 #4 M MyBoTy Veteran Member Feb 9, 2002 1,567 Lubbock, Texas USA The budget portion of the equation came from a 7.4L Gen VI big-block Chevy straight out of the local wrecking yard. The previous owner had the engine rebuilt in 2012 and tells me they installed an RV cam but I am not sure which one. I'm is Arizona and I'm planning a trip this month after Bonneville, to Aberdeen, home town, and Centralia, still have relatives there. Orders placed on the weekend or after cutoff on Friday, and orders placed on select holidaysareprocessed on thenext business day. 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 ?? 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. Straight Port Cylinder Heads 6. So if I have your tune done what is the turn around time sending my PCM to you? The great thing about using a blow-though carburetor combination is the intercooling effect you get from the introduction of fuel. Jump to Latest Follow . Performance. I have a GMC PCM service # 16238212 for a 99 Topkick w/7.4L 454 gas engine; and was wondering if you are able to repair these PCMs/ECMs or have an equivalent I can replace it with? I dont have the 2000 VIN only the VIN from my 1995. m) at 3200 rpm. How to Get More Horsepower From a 360 dragster engine image by Robert Young from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media. See listing details. TQ with those modifications done. 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. If you want to take full advantage of the cam swap then a custom tune will be needed to address that. If you are wanting to keep the truck otherwise stock, the tuning would be your best upgrade to boost the performance and it would definitely help the low end where you are wanting it to. 3. The Vortec 8100 (RPO L18) is a V8 truck engine. Bosch p/n: 0280155884. Thousands of satisfied customers have reported fuel economy increases as well as less transmission downshifting because of the increased horsepower and torque. 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. Banks iDash: SuperGauge & DataMonster. I am considering your tune for my motorhome. Wiring is the same. Always a big complaint with 454 TBI trucks. For GM vehicles, the Vortec variant increased power by 60 horses. 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/. Gasoline engines do not require different settings for different conditions like a diesel engine does. Can I tune it myself later with my own tuner or is it still a black box like the oem? Raylar performance packages allow your 496 to produce massive amounts of power without sacrificing reliability. 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. If product is incorrect for the provided VIN we will contact you to revise order. Prices increase after 2/28. Yes, we can do that. It went through different upgrades over the years finally ending with the 454 Vortek which stopped production in 2001. Our tuning is based off of extensive dyno testing of RV's, and while results may vary, our gains are generally higher than others due to our expertise in the tuning of the L29 7.4L. Install a high flow air filter and cold air induction intake. We can easily do this with the specs you provide. This is perfect for an otherwise stock engine as the gains are the best bang for the buck by far. I heard these trucks have a torque management system does this computer give my truck back all its power? To allow the motor to rev cleanly to 6,000 rpm under boost, the cam upgrade was teamed with a new set of beehive valve springs. 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!!!! A/T Flywheel, Hedman TEMS headers, and all the other good stuff that goes with a long block. The most important changes that are made have to do with spark advance, fueling, transmission shifting and torque management settings. 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. It was not a good moment to debut a big cubic-inch big block designed for performance vehicles, but the Chevy 7.4 made an impact nonetheless. The old, weak 240 HP 454 is every bit as. I have a vortec454 in a non smog az tow vehicle. However, this engine was developed mostly for large towing ability for CAFE-exempt passenger cars, so there is still room for improvement. You will gain approximately 35-40 horsepower and 45 lb-ft torque. Our typical turn around time is 2-3 business days. This camshaft provides more lift and longer duration using the 10-12 Manifold vacuum. Reference core exchange, what is the time limit for you to receive the exchange? The Vortec 7400 as you know lays down 290 HP and 410 LbFt of Torque. You can pretty easily get 400+ horses out of that thing and it be streetable. Both Vortec 7400 heads (the '98-'01 12560241 and the '96-'01 10141279) have about 100cc chambers. 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). It will be plug and play. You can definitely hold on to your PCM, that is not an issue. torque so it will definitely be able to hold the upper gears better when hill climbing and have improved acceleration. After the normally aspirated testing, we replaced the 750 Holley with a dedicated blow-through 850 Holley carburetor from Carb Solutions Unlimited (CSU) and installed the Vortech supercharger kit. Hot Rod decided to bolt up some typical speed parts. I have a 2000 3500 454. In addition to the powerful YSI supercharger, the kit included a cog-drive system to eliminate belt slippage under boost. Power & Performance News is the source for news, tech and products that help you get more performance from your vehicle. However, Chevy still offers the 454 big block V8 as a crate engine. It is unlikely that the Vortec 454 accessories will clear the hood. Boost your horsepower, torque, throttle response and fuel economy with the advanced Innovative Performance Chip compatible with your Chevrolet Silverado 1500! I have a 2000 OBS Chevy quad cab with a 454 Vortec. Sorry I dont have the VIN, the truck is not local, I have a 1998 2500 7.4 Vortec GMC Suburban. Et si je devrai faire recalibrer mon ecm? Programmers. Could you do a downstream 02 sensor delete? The Vortec enhancements simply allowed GM to pass smog at a higher RPM. Probably cause no cats. I have the 411. I like my shift points where they are. If it is a 1998 then yes you can. 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. Truck is stock otherwise and runs good just looking for more out of it. I have been watching lots of posts and things get carried away very quickly about getting big big hp. Unfortunately this is not something that we offer. I know they were installed in trucks from 96- 00?. Maybe I need to go by the dealer and test drive a diesel or another gasser so I have a comparison. GAS MILEAGE. We can send a pre-programmed ECU on core exchange. 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. Oct 25, 2004 Do you guys know anything about the L29 Vortec motor. It is not 4x4. It was utilized in both performance automobiles and trucks, as well as maritime and industrial applications in various combinations. Please just leave in the order comments your requests to be done. I think they were made before Chevy started using real tornados. I'm interested in the available upgrades for the vortec 454. After installed Ultrapower GM/ Workhorse 1998 7.4l Vortec 454c. The truck does not need to be emissions compliant. Learn more. Hot Rod And remember, thats all without touching the bottom end. We do not, however, have core PCM's for this engine so you would have to send your PCM in for the flash. 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. Chevrolets Vortec 454 was a modern-day evolution of the firms most famous big block. Very interested in this. But don't despair. (454 used only MAP) 2. 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.
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