We will set the tune up based on your modifications and requests. 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. Roller Cam, .483 Lift . We measured our stock iron heads right out of the box and the retainer-to-seal clearance was only .470-inch. 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. Yes - We can definitely take advantage of the current modifications done to the truck and really help it out. I know that my question is very reduntant but I need to ask it .I pull a trailer and want a little more tow po1wer. That being said, the threads on the net are pretty old. 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). Chevrolets Vortec 454 was a modern-day evolution of the firms most famous big block. Dedicated to making your Chevy Truck bad***. 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? Please see our shipping terms for more information. The Vortec 7400 as you know lays down 290 HP and 410 LbFt of Torque. Dollar for Dollar, it is highly unlikely that the $2400 for a full blown Banks Power Package would yield the same cost/benefit as say the addition of the UltraPower GM / Workhorse 7.4L (454) Custom Tuning module. Chevy 5.7 Vortec Engine Performance Upgrades I'm sorry, we can't tune anything prior to 1996 model year. The truck does not need to be emissions compliant. I'm saving up for the banks power pack system. The great thing about using a blow-though carburetor combination is the intercooling effect you get from the introduction of fuel. 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. No videos but your ECM is fairly easy to identify and replace. Purchase a Chevy 454 crate engine online from JEGS High Performance. oh, by the way, this is a low mileage engine, single owner and I have taken excellent care of this truck. L29 Vortec 454 power? - Don Terrill's Speed-Talk Hot Rod decided to bolt up some typical speed parts. Or is it what get is all you get? Buy your Big Autoparts Ignition Distributor Set DR474 DR331 at Amazon! I plan on the injector and ignition work done in march. 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. Nothing I was finding really listed ACTUAL upgrades. Body Diameter: 16 mm. The P12 was only available for 1 or 2 years so there wasn't enough demand to continue producing products for it. Most generic tuners only change very basic parameters within the computer, whereas UltraPower Tuning changes approximately 400 parameters including both engine AND transmission settings. 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. 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. It will not void your factory warranty, and does not modify any emissions systems. Roller Lifters 5. They have a high strength carbon steel housing and a high performance rolled seam that exceeds OEM pressure requirements. If I order a ecm reprogram will this fix my speedometer error too?? Jump to Latest Follow . Mfg Performance Parts www.straubtechnologies.com www.distributorgears.com 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. It was utilized in both performance automobiles and trucks, as well as maritime and industrial applications in various combinations. If it is a 1998 then yes you can. The Vortec 454 was touted as having substantially more power. If I send yall Parts list of what kind of cam, injectors, pistons, etc. 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. 454 Project Tow Beast - TBICHIPS | TBI Oil collects on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons), reducing horsepower through parasitic drag. After all, every horsepower lost to such "parasitic drag" is one less that won't be helping your truck move down the road. The bill: $3,699.96 for all but the carb. Just wondering because Id buy one of those as well. We also took the liberty of installing a Race-Port blow-off valve from Turbo Smart. 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. 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. 1014127996-upoval..CLOSED.."Vortec 7400", 100cc chambers I was interested in your tune for this engine and was wondering what your best guess on the horse power / toque gains would be. Also, is shipping included both ways? do you think I could get more power with your ecm re-program? The 454 Vortec is the last in a line of one of the most successful classic engines in GM history. Right now I have a CAI, 2" full length headers, 3" dual exhaust and EGR delete. Will the UltraPower tune, give me the "best bang for my buck" performance increase? Buy in monthly payments with Affirm on orders over $50. It won't hurt anything to run like that. It can be done fairly cheap , power for days and 15-20mpg, I repeat. Install an aftermarket windage tray in your engine. I heard these trucks have a torque management system does this computer give my truck back all its power? 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 require the VIN so that we can pull up your vehicle's specific parameters and create a truly customized tune for your vehicle. The issue with your tachometer would only be fixed if there is an actual issue with your PCM. Cost is $395 plus a $175 core charge which is refundable. Gains will be on par with what we achieve with the RV's so it will very well suited for towing. Yes that would be fine, you would just need to call in to our service department and schedule a date :). To others, the 7.4 Vortec 454 big-block was the perfect engine at the wrong time. All rights reserved. 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. "SE" Special Edition Tuning Kit For MerCruiser 454 & 502 Magnum MPI Engines. We modify this so that it is still "safe" but definitely wakes the truck up. Free shipping for many products! Are there any gains to be had by programing and adding headers to my truck? The exhaust does not have CATS with dual to the muffler and single exit tailpipe. Performance Street, great low to mid-range. Heads, intake and headers would definitely wake it up. Thousands of satisfied customers have reported fuel economy increases as well as less transmission downshifting because of the increased horsepower and torque. Sorry I dont have the VIN, the truck is not local, I have a 1998 2500 7.4 Vortec GMC Suburban. Warmed up at idle the gauge is reading 1200RPM then put it into drive holding the brake and its reading about 1000RPM. I'm is Arizona and I'm planning a trip this month after Bonneville, to Aberdeen, home town, and Centralia, still have relatives there. Vehicle Monitoring and data-logging like no other! As I understand it I do not have the newer 0411 ECM and these have better processing power but need to be repinned. How to Pick Up Big Power On a Junkyard 454 With a Simple - MotorTrend 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. K&N Performance Fuel Filters are built for high flow rates and capacity while they provide outstanding filtration. The valve train is OHV with two valves per cylinder and multi-port fuel injection for fuel induction. Parts overview- James L29 Vortec 454 build Ep2 - YouTube 0:00 / 19:37 Parts overview- James L29 Vortec 454 build Ep2 20,387 views Oct 10, 2019 391 Dislike Share Save Dick Hamm 4.68K. 454 L29 Vortec Engine Performance | Team Chevelle Yes, you can pay the $100 up front core charge and be refunded when you send your original back to us. (454 used only MAP) 2. We removed the factory EFI injection, and replaced it with simple carburetion. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. 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. I have a 1998 Winnebago Brave on a p30 chassis with the 7.4 with a Banks Power Pack. Is it not the same motor from 96 to 2001. Thanks. Is it actually running at that RPM or just showing that? Headers suggested. To further improve power, we also upgraded the stock hydraulic roller camshaft with an XM284HR from COMP Cams that offered .547 lift, a 230/236-degree duration split and 112-degree lsa. I have Bosch Gen III injectors; Volant Air intake; and 3 exhaust. Naturally, the truck-based 454s. 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. Engine Hotrodders' Lounge Body - Exterior Transmission - Rearend . How to Make Power with a Chevy TBI V-8 - MotorTrend Do you have any videos of how to locate and remove my ECM? Fuel pump doesn't run. 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. Buy your K&N PF-1000 Fuel Filter at Amazon! Their high performance cellulose glass media traps contaminants such as rust, dirt, scale and other foreign materials. I borrowed a friends TBI 454 dually to pull my blazer one time and it impressed the **** outta me. Apr 14, 2016. 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. 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. Do you have identifying marks on the ECU? We can easily do this with the specs you provide. I have a 2000 3500 454. Do you offer anything for the 5.3? And what is the final cost of your ECM. 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. We use the original black box PCM's. And i was wondering what benefits will i see with my 454 i have a new jasper motor with upgraded injectors and full exhaust. Typical gains are 40-45 horsepower and 45-50 lb-ft torque, 4. However, this engine was intended to provide significant towing power for CAFE-exempt vehicles, so there is still room for improvement. I know they were installed in trucks from 96- 00?. The single core from CXRacing featured 3.5-inch inlet and outlets and had been tested previously at over 1200 hp and 25 psi. 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. Always a big complaint with 454 TBI trucks. 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. Parts overview- James L29 Vortec 454 build Ep2 - YouTube 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 . Here is info from COMP Cams. Common Problems with Chevy 454 Vortec (Explained!) 2. I've made several performance upgrades myself, but are always looking for something better. Really? Technical Specifications: No filter cleaning required for up to 100,000 miles. Headers exhaust. Are the tunes generic or do you change different things for different people? The ignition timing was dropped to 21 degrees and after adding a few jets to the carburetor, we were rewarded with some serious power. The Gray, the green with white strip and the black test grounded. The Vortec 8100 (RPO L18) is a V8 truck engine. 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. Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube. I have the 411. The Vortec enhancements simply allowed GM to pass smog at a higher RPM. Im doing a full build on the motor Ive been told that these injections systems dont do well with these kind of upgrades. I like my shift points where they are. Been reading the net the last few days on power upgrades for my truck after reading the "best year diesel" thread on here. In addition to the powerful YSI supercharger, the kit included a cog-drive system to eliminate belt slippage under boost. If product is incorrect for the provided VIN we will contact you to revise order. 2023 Power Automedia. I replaced the relay to no avail. Makes NO permanent changes to your vehicle's computer! 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. Don't know how tuning would work. . Is the Vehicle Control Module an ECM by another name? If they were cheap enough, sure. We do not, however, have core PCM's for this engine so you would have to send your PCM in for the flash. We can accommodate your requests for the oxygen sensors, speedometer adjustment and increased HP/TQ. 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. 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. They also installed roller lifters, heavy springs and chain/gears. 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". It would be a good idea to re-tune for the Banks and injection systems.