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. You will gain approximately 35-40 horsepower and 45 lb-ft torque. 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. Thanks. K&N fuel injection performance kit. 3. If so, is that the unit that sits above the radiator of a 2000 Itasca Suncruiser V32 w/ L29 7.4l (454ci) Vortec? The 8.1 Vortec was produced to compete with Dodge's 8.1 Magnum V10, and Ford's V10 Triton engines of the time. Oil collects on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons), reducing horsepower through parasitic drag. I have a 2000 gmc k2500 with the l29 454. Every horsepower subtracted as a result of parasitic drag is one less horsepower that wont help your truck travel down the road. 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 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. Also, is shipping included both ways? We appreciate it but we only specialize in the big block engines. I'm saving up for the banks power pack system. Yes, we tune for 87 octane unless a higher octane is requested. Or if I pay to send in, is the return shipping included in the $495? I have a uhaul topkick with the 7.4. Chevrolet 7.4 Vortec was a modern-day improvement of the firms most legendary big block. You would see a nice gain in power, on your 1997 we generally pick up about 30 horsepower and 35 lb-ft torque. 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? I think they were made before Chevy started using real tornados. We use cookies to ensure that we give you the best experience on our website. Yes, all gains listed are with 87 octane gas. 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. Thanks. 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 We can tune it if you can build it :). Wiring is the same. Alright Jay! My question is that I have a 1998 7.4 parts truck. 496 cubic inches. Free shipping for many products! 7.3 is 250-275/505-525 stock. This thing is weak as water. I wish we could say for sure that you will be able to see a nice gain but we try not to over-promise on that. However, this engine was developed mostly for large towing ability for CAFE-exempt passenger cars, so there is still room for improvement. I have Bosch Gen III injectors; Volant Air intake; and 3 exhaust. 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. Makes NO permanent changes to your vehicle's computer! I have a 1996 Winnebago with a P30 chassis and a 454 75,000 miles and runs great. We would reprogram yours and put it in a new case so it looks nice! Apr 10, 2008 #5 M MyBoTy Veteran Member m) at 3200 rpm. I own a 1998 Safari Trek 2830 P32 chassis with an L29 28'7" Class A RV Drivetrain it s completely OEM.. Im doing a full build on the motor Ive been told that these injections systems dont do well with these kind of upgrades. Vise grip, needle-nose and standard pliers. I THINK I want a diesel until I look at the prices. youll have to stick to a torque cam because of the computor needs vacuum (speed density) headers will help greatly. $360.56. 1996 c3500 dually 7.4 with 5 speed. 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. Buy your Innovative Performance Chip/Power Programmer at Amazon! Power & Performance News is the source for news, tech and products that help you get more performance from your vehicle. I called Banks Power last week to try and find out what they recommend. The same 290 horsepower that was standard for all GM cars in 1980 was maintained throughout the decade. It is a re-programmed ECM, either you send yours in or we send you one on a core exchange. Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. 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*. Free Shipping over $199* Same Day Shipping before 7pm* Price Match Guarantee Free Shipping over $199* Same Day Shipping before 7pm* Im interested to know if you change the shift points or anything like that cause I have a shift kit in the transmission already. Headers exhaust. In an effort to further drop the inlet air temps, we installed a makeshift air-to-water intercooler. Engineered specifically compatible with General Motors Vortec V8 engines,specifically compatible with General Motors Vortec V8 engines,Offering the quality,reliability,durability. It is an all-iron engine (block and heads . Oxygen sensor modifications can be done. I plan on the injector and ignition work done in march. To others, the 7.4 Vortec 454 big-block was the perfect engine at the wrong time. Mark McNabb was a contributor at TopSpeed from 2013 to 2018. Can i tell if my RV has this already? I have the 411. The terms ECM, PCM, and VCM are all used to describe the engine computer by various manufacturers, yours is located above the radiator . The batteries are fully charged and there is 12 volts to the distributor. The budget portion of the equation came from a 7.4L Gen VI big-block Chevy straight out of the local wrecking yard. 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. Yes, we can resolve your issues. Thank you for any information you could give me. Thanks for any help. Yes that would be fine, you would just need to call in to our service department and schedule a date :). You may also like. Bosch p/n: 0280155884. The tire are one size larger than stock to the speedometer is off a little. The 454 HO crate engine boasts 438 HP and 500 lb-ft of torque. Is the Vehicle Control Module an ECM by another name? We have no issues with tuning a higher mileage engine as long as it is in good running condition. I was interested in your tune for this engine and was wondering what your best guess on the horse power / toque gains would be. Thinner oil drags less on internal engine parts, helping the engine to spin more freely and run more efficiently. 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! Just need a working substitute, no enhancements really needed. Headers suggested. I heard these trucks have a torque management system does this computer give my truck back all its power? Will the UltraPower tune, give me the "best bang for my buck" performance increase? Probably cause no cats. When taken together, this fairly inexpensive approach can be good for noticeable gains in fuel economy. do you think I could get more power with your ecm re-program? 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. While we do get reports back of fuel economy gains, that is something we can not guarantee as there are just too many variables that can affect an RV's fuel economy. The ignition timing was dropped to 21 degrees and after adding a few jets to the carburetor, we were rewarded with some serious power. Thanks. I installed a K&N replacement are filter in the stock air box. This engine series was utilized on Chevrolet and GMC large truck models such as the Suburban from 1996 through 2001. $119.95. These fit: 1966-1998 Chevrolet & GMC 6.0L, 1970-2000 Chevrolet, GMC, Pontiac & Mercruiser Marine 7.4L 454, 2001-2009 Chevrolet & GMC 8.1L , Also fits Mercury Marine Big Block 7.4L, 8.1L & 8.2L Engines. Any "recalibration" would require sending your ECM to us for programming changes. Best, least expensive way to get more power out of this engine is with our custom tune. Do you still tune the 96 ecm? At the relay the Orange wire is hot with 12 volts continually. Mfg Performance Parts www.straubtechnologies.com www.distributorgears.com To find out just how much the 30-year-old behemoth could muster, they took it to Westech Performances dyno room. merci. 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? 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 engine has two valves per cylinder and features multi-port fuel injection. Here is info from COMP Cams. Check for Availability: $349.95. When it shows 55 MPH your actually going about 57 to 58 MPH. The Chevrolet 454s of the 1970s were the most powerful, with the LS5 producing approximately 360 horsepower and the LS6 generating around 450 horsepower. 90 and older is particularly bad and that is largely due to NO OVERDRIVE. Its amazing what some bolt-on parts can do! TQ with those modifications done. For GM vehicles, the Vortec variant increased power by 60 horses. You can pretty easily get 400+ horses out of that thing and it be streetable. We modify this so that it is still "safe" but definitely wakes the truck up. Yes you are correct that there is torque management which "pulls" back power when taking off from a stop. $199.95. 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. (454 used only MAP) 2. 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. 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. Make use of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. We can send a pre-programmed ECU on core exchange. Maybe I need to go by the dealer and test drive a diesel or another gasser so I have a comparison. Yes, you will still pass emissions as long as you don't tamper with the existing emissions systems. Pace Performance Products in Ohio put together a decent upgrade. Elgin Industries set of (16) Hydraulic Roller Valve Lifters compatible replacements for Big Block Chevy GMC & Pontiac engines. How To Add 70 Percent More Power to A Chevy 454 V-8. 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. Both Vortec 7400 heads (the '98-'01 12560241 and the '96-'01 10141279) have about 100cc chambers. Anything that will help the performance. We would just need to know the tire size you are running and if the rear gear ratio was ever changed from factory. Mar 20, 2011 #4 M MyBoTy Veteran Member Feb 9, 2002 1,567 Lubbock, Texas USA Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasnt a big surprise. The stock Vortec iron head will not tolerate more than .440-inch lift. The Vortec 454 was touted as having substantially more power. 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. 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. Turn around time is 1-2 business days. Whats left, though, is a 454 cubic-inch big-block Chevy with huge potential. Performance. This is a lie. Some parts are not legal for use in California or other . 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 cooler charge air (plus tubing length and bends) dropped the peak boost pressure from 19.1 psi down to 17.7 psi. watch out for chips as they just bump the fuel curve. 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 $. 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. Is it actually running at that RPM or just showing that? Warmed up at idle the gauge is reading 1200RPM then put it into drive holding the brake and its reading about 1000RPM. Install a high-flow air filter and a cold air intake. 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. cam with matching torque converter and headers would be easy. I have a 2000 C3500 with the 454/L29 and auto trans. I have a 1996 C3500 crew cab dually with a 7.4. 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. Dec 18, 2007 . In 2001, production of the 7400 line was discontinued. Buy in monthly . Vortech Superchargers Yes, this would be the compatible ECM with your VIN and part #. 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. If you choose the core option we will program an ECM here and ship to you. Is it possible to upgrade the ECM on my 1994 Fleetwood Southwind Storm 454 TBI w/4L80E trans? This camshaft provides more lift and longer duration using the 10-12 Manifold vacuum. The exhaust does not have CATS with dual to the muffler and single exit tailpipe. We are currently out of clean/painted cases for the PCM's. vortechsuperchargers.com. Seems like it's lacking power towing my boat. The 454 Vortec is the last in a line of one of the most successful classic engines in GM history. http://www.cumminsdieselspecs.com/cummins_timeline.html, http://www.internationalpowerstroke.com/timeline.html, http://www.duramaxdieselspecs.com/compare_duramax.html, Tow rig Suspension and Axle upgrades questions (4th Gen Dodge). We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. Roller Cam, .483 Lift . Do a 12 swap and be done. Thank you. The bill: $3,699.96 for all but the carb. For more information, visit www.P65Warnings.ca.gov, NOTICE: Fororders outside of United States. Is there any way I could send you that one as a core in return for one to work in my 2000? Injector type: US-CAR, saturated. We only specialize in the big block engines. Originally Posted by PonyKiller87 Ok, sounds just like swapping over the 96-00 vortec 350 to the 0411 as far as the wiring goes. He eventually figured it out. 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). Also the torque management. This ignition system upgrade will allow you to set your distributor for a little more timing advance. 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. Learn more. We removed the factory EFI injection, and replaced it with simple carburetion. 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. Chevrolet BB Gen 6 454-502, '96-'00 Camshafts at Competition Products! 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 most important changes that are made have to do with spark advance, fueling, transmission shifting and torque management settings. If it is a 1998 then yes you can. We can adjust for speedometer error. This is a crew cab, 8 foot bed.
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