Stage 1 Upgrade for Mercury 525 EFI. BBK is your Number One Aftermarket Performance Brand in the USA - American Designed and Built . 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. How To Add 70 Percent More Power to A Chevy 454 V-8. Would we still get the good price when you get more control modules in stock? In search of power, GM reverted to the big-block engine design, with a 454-cubic inch displacement. 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. We modify this so that it is still "safe" but definitely wakes the truck up. It's a nice cam for a 454 big block chevy engine that runs with 1500-6500 RPM Range. Mostly people saying to try this and try that. Installed E3 spark plugs which seemed to help. New 2-Piece Intake Manifold w/Long Intake Runners 7. The banks system will give you 70hp and 85lb-ft. 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. Buy your K&N PF-1000 Fuel Filter at Amazon! 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. Give me some idea as to what this product does exactly, and how I will benefit from spending $$ on it. We can adjust for speedometer error. I have been watching lots of posts and things get carried away very quickly about getting big big hp. Yes, you can pay the $100 up front core charge and be refunded when you send your original back to us. They seem to be similar to those used in your RV work. Unfortunately this is not something that we offer. The heads used on the L29 combined the large oval intake ports with small (100 cc) combustion chambers to produce a slightly higher (than the Gen V) 9.0:1 compression. youll have to stick to a torque cam because of the computor needs vacuum (speed density) headers will help greatly. Jump to Latest Follow . Change to a synthetic oil that is light-weight. We can tune stock or modified, not a problem. I am of the same opinion that the UltraPower programming is going to be by far your best "bang for the buck". 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. 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. I know they were installed in trucks from 96- 00?. With the shut downs due to the virus, our normal service company that does that for us is closed. 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. Please contact us directly to set that up at 800-417-4559. Some differences are: 1. Choose FORTEC 4x4 for Jeep Wrangler JL and Jeep Gladiator JT Customizing - Highly trained Specialists Since 1991 Each Jeep we touch brings you the greatest quality, functionality and performance We offer Jeep Turn Key Solutions, Jeep Parts and Jeep Accessories in Partnership with Jeep Dealerships in Atlanta and Florida Probably cause no cats. A restrictive or clogged air filter makes the engine work harder to breathe, which reduces efficiency. Body Diameter: 16 mm. My car is GMC pick-up 7.4L 1998. it is manual transmission. I dont have the 2000 VIN only the VIN from my 1995. Short tube headers won't do anything for you but long tube headers would he beneficial. 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? Truck is stock otherwise and runs good just looking for more out of it. We include a data recorder with the ECM for your to record engine data and send to us to verify all engine systems are running efficiently. Yes, we tune for 87 octane unless a higher octane is requested. Would you be able to tune this on a new computer so I can keep the original? 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 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. 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. The cooler charge air (plus tubing length and bends) dropped the peak boost pressure from 19.1 psi down to 17.7 psi. This 1-ton dually truck is used for hauling a large slide in camper and atv trailer. It is not 4x4. Hello I have 2000 GMC k3500 Truck. Seems like it's lacking power towing my boat. The old, weak 240 HP 454 is every bit as. I think they were made before Chevy started using real tornados. It gets you an EGR blockoff plate for the Vortec 4.3/305/350 engines. As you can tell, it doesn't deliver much. If you send us your PCM, our turn around is usually 1-2 days. 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 496 MAG Performance Parts Performance Applications Chevy / GM Trucks 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. 4 Bolt Main GM Factory Vortec, Edelbrock's Performer Multi-Point EFI. Your vehicle is not compatible. He eventually figured it out. 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. The valve train is OHV with two valves per cylinder and multi-port fuel injection for fuel induction. The K&N raises the horsepower of your 5.7 Vortec crate engine by 45 percent. Reasons to buy: 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. Is the pcm that is used a 411? I just bought this 97 suburban 4wd with the bbc. 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. It will be plug and play. We CAN tune the engine computer with our UltraPower tuning to get more performance but we MUST have you send your PCM in to us for programming as it has a unique PCM that we don't have cores for. We removed the factory EFI injection, and replaced it with simple carburetion. Prices increase after 2/28. Overall Length: 3 inches, 74 mm. As long as you don't have any emission systems removed, you will pass without any issues. 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. It can be done fairly cheap , power for days and 15-20mpg, I repeat. 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. I'm sorry, we can't tune anything prior to 1996 model year. my old part number on ecm is 16263494 on 1999 454. 496 cubic inches. 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. After configuring a discharge tube and adding some race fuel, we slowly supplied boost to the boneyard big block. Following up from previous question, here is the VIN 1GDG6H1BXYJ907917 and #s off the ECM, 09384681, sev. Gains will be on par with what we achieve with the RV's so it will very well suited for towing. 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. We do not have a hard and fast rule on core returns for the UltraPower programming ECM's as long as it is in reason. 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. If product is incorrect for the provided VIN we will contact you to revise order. Thanks for any help. The only way to know for certain would be to pull the ECM and send to us so we can read it out and check. I have a 2000 gmc k2500 with the l29 454. torque so it will definitely be able to hold the upper gears better when hill climbing and have improved acceleration. How much can you get them for? 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 Vortec 8100 (RPO L18) is a V8 truck engine. It would be a good idea to re-tune for the Banks and injection systems. 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. All rights reserved. Et si je devrai faire recalibrer mon ecm? You can pretty easily get 400+ horses out of that thing and it be streetable. The state of California requires that this warning be posted for people purchasing products that reside in California. They have a high strength carbon steel housing and a high performance rolled seam that exceeds OEM pressure requirements. 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. After all, every horsepower lost to such "parasitic drag" is one less that won't be helping your truck move down the road. Been reading the net the last few days on power upgrades for my truck after reading the "best year diesel" thread on here. no. It was utilized in both performance automobiles and trucks, as well as maritime and industrial applications in various combinations. This left us with Mark 4, Gen V and Gen VI big blocks to choose from, any of which would work for this project. Buy your Chevrolet Performance 454 crate engine from JEGS High Performance today! 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 it if you can build it :). 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. Howards, Hydraulic Roller Camshaft, Chev BB Gen 6 454-502, GM, Chev BB Billet Steel Hyd. The Vortec 7400 was based on Chevrolets 1995 7.4-liter 454-cubic inch V8 big block, which produced 230 horsepower. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. See listing details. Oil tends to collect on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons) and reducing horsepower through parasitic drag. 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 Hi Warren, that is definitely something we can tune for. What are your recommendations?? Subtract the standard .050-inch clearance, this leaves only enough room for a .420-inch lift cam. 7.3 is 250-275/505-525 stock. cam with matching torque converter and headers would be easy. The engine displacement in liters is 7400, which is readily changed to 7.4 liters. The stock injectors are fine for our performance tuning. If powertrain performance projects and hardcore technical content are your interest, Power & Performance News is the publication designed for you. Always a big complaint with 454 TBI trucks. Explore Our Forums. All fuel injector specifications meet or exceed the manufacturer's specification standard. and will it improve my over all power? 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". I have a 2000 OBS Chevy quad cab with a 454 Vortec. Yes, this would be the compatible ECM with your VIN and part #. Only a set of dyno headers and an electric water pump were different. 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/. Is it possible to upgrade the ECM on my 1994 Fleetwood Southwind Storm 454 TBI w/4L80E trans? I heard these trucks have a torque management system does this computer give my truck back all its power? I've always heard that they were a good upgrade to the TBI 454 and earlier 454 heads. Is it possible to get the newer 0411 with your tune for my truck. I recently ordered an ecm for a 7.4 vortec and was very impressed. 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. I was interested in your tune for this engine and was wondering what your best guess on the horse power / toque gains would be. Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. It is an all-iron engine (block and heads . We only specialize in the big block engines. I have a few questions so bear with me here. 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. Our tuning is custom to your vehicle so if you ever did have a dealer flash the computer it would wipe out the performance settings and revert to stock. Thanks. Check for Availability: $349.95. Every horsepower subtracted as a result of parasitic drag is one less horsepower that wont help your truck travel down the road. Sorry I dont have the VIN, the truck is not local, I have a 1998 2500 7.4 Vortec GMC Suburban. Do you folks know of cam upgrades along with tuning that would give power upgrades on a l21 with a manual transmission ? Free shipping. I have a 1998 Winnebago Brave on a p30 chassis with the 7.4 with a Banks Power Pack. do you think I could get more power with your ecm re-program? $199.95. Apr 10, 2008 #5 M MyBoTy Veteran Member Any "recalibration" would require sending your ECM to us for programming changes. The terms ECM, PCM, and VCM are all used to describe the engine computer by various manufacturers, yours is located above the radiator . I assume the module is a pre-programmed ECM chip that replaces the stock ECM chip. Oct 25, 2004 Do you guys know anything about the L29 Vortec motor. Yes, you will still pass emissions as long as you don't tamper with the existing emissions systems. I have a 2000 C3500 with the 454/L29 and auto trans.
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