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BBK is your Number One Aftermarket Performance Brand in the USA - American Designed and Built . If it is a 1998 then yes you can. a good set of headers help to. And a k and n filter. The main improvements will be improved shifting and overall more torque to pull hills. 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. Without going into the engine, they make a supercharger kit for it, I know whipple use to. They have a high strength carbon steel housing and a high performance rolled seam that exceeds OEM pressure requirements. $199.95. Yes, we can resolve your issues. Really? Are there any gains to be had by programing and adding headers to my truck? It is a re-programmed ECM, either you send yours in or we send you one on a core exchange. . Or if I pay to send in, is the return shipping included in the $495? The 4300 was GMs first Vortec-engine V6, released in 1986 and designed for trucks. Would we still get the good price when you get more control modules in stock? If you had the proper tuning software, you could tune it yourself later. Though larger than the previous 7.4L models, the unique 8.1L could not utilize the amazing array of performance parts available for the previous three conventional big-block models. Buy in monthly payments with Affirm on orders over $50. The K&N raises the horsepower of your 5.7 Vortec crate engine by 45 percent. I just purchased your UltraPower GM / Workhorse 1998-2000 7.4L Vortec (454) Custom Tuning. If you continue to use this site we will assume that you are happy with it. Elgin Industries set of (16) Hydraulic Roller Valve Lifters compatible replacements for Big Block Chevy GMC & Pontiac engines. Oil collects on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons), reducing horsepower through parasitic drag. Thousands of satisfied customers have reported fuel economy increases as well as less transmission downshifting because of the increased horsepower and torque. This is a stock style setup, featuring a 4.000" stroke and bore sizes ranging from 4.250" (standard) to 4.375". Check if this part fits . Yes, we can do that. The upgraded Vortec 7400 is a 7.4L V8 OHV 16V-volt FI engine. If you choose the core option we will program an ECM here and ship to you. We can tune it if you can build it :). Buy your K&N PF-1000 Fuel Filter at Amazon! 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. Are the tunes generic or do you change different things for different people? We are unaware of any cam upgrades specifically for the L21. 95K views 2 years ago WESTECH PERFORMANCE GROUP LETS TALK TORQUE! I want to install a cam while you have the ECU. The state of California requires that this warning be posted for people purchasing products that reside in California. Yes, we can tune your L21 for similar gains as with the L29. For a plain jane Sierra, not bad in my opinion. The proper application of boost to any motor is never inexpensive, and our Vortech YSI supercharger was not what could be considered low-buck, but it was epic in its effectiveness. Thanks for any help. There is a small red wire that has never been connected to anything. What type of gains could I expect with a tune for this? Howards, Hydraulic Roller Camshaft, Chev BB Gen 6 454-502, GM, Chev BB Billet Steel Hyd. I am considering your tune for my motorhome. (454 used only MAP) 2. Also how much benefit do you think I would gain by going aftermarket catback exhaust. Pindar You can definitely hold on to your PCM, that is not an issue. The Vortec 8100 (RPO L18) is a V8 truck engine. The previous owner had the engine rebuilt in 2012 and tells me they installed an RV cam but I am not sure which one. Learn more. And what is the final cost of your ECM. We removed the factory EFI injection, and replaced it with simple carburetion. Roller Lifters 5. Wiring is the same. Mark McNabb was a contributor at TopSpeed from 2013 to 2018. We tune the original black box PCM but do not do the 411 swap. Is the pcm that is used a 411? 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. The banks system will give you 70hp and 85lb-ft. So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. I have a 2000 GMC school bus with the L21 7400 motor. 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). A cold air induction setup will feed the engine cooler and more oxygen-dense air. The tire are one size larger than stock to the speedometer is off a little. The 1970 Chevrolet 454 was the most powerful with outputs of 360 and 450 horsepower from the LS5 and LS6, respectively. The Vortec enhancements simply allowed GM to pass smog at a higher RPM. Install an aftermarket windage tray in your engine. Check the make, year, and model of your car to see if the VIN number is available. The only weak link is the peanut port factory heads and the sprinkler style fuel injection. Oct 25, 2004 Do you guys know anything about the L29 Vortec motor. Thanks. The Vortec 8100 was built off of the GM 454 engine platform, also known as the 7.4 Vortec. The air filter is easily removed, cleaned, and reused. It was known as the Vortec 7.4 (7400, Regular Production Option designation L29) in North America and across other markets. See listing details. 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). Cost would be $495. The batteries are fully charged and there is 12 volts to the distributor. oh, by the way, this is a low mileage engine, single owner and I have taken excellent care of this truck. 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. When you buy a single component or a complete kit, like a camshaft, you must ensure that it is suitable for your car. Our typical turn around time is 2-3 business days. 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. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. O-rings: Top and bottom, 14.5 mm - Viton. I'm interested in the available upgrades for the vortec 454. I have been watching lots of posts and things get carried away very quickly about getting big big hp. You can source the 454 HO directly from Chevrolet. Is this enough information to create a tune or will you need more information? Hot Rod And remember, thats all without touching the bottom end. 98 Single Rear Wheel 3500 7.4 Vortec. 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. Yes, we can tune your ECM. Build your own custom newsletter with the content you love from Street Muscle, directly to your inbox, absolutely FREE! Probably cause no cats. Its amazing what some bolt-on parts can do! Jump to Latest Follow . 2. To find out just how much the 30-year-old behemoth could muster, they took it to Westech Performances dyno room. 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! The budget portion of the equation came from a 7.4L Gen VI big-block Chevy straight out of the local wrecking yard. Do you have any videos of how to locate and remove my ECM? 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. Fuel pump doesn't run. This is a lie. 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. Dec 18, 2007 . 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. Can I tune it myself later with my own tuner or is it still a black box like the oem? 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. 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. Unfortunately this is not something that we offer. 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. Buy your Innovative Performance Chip/Power Programmer at Amazon! I heard these trucks have a torque management system does this computer give my truck back all its power? Thanks, WILL THE 2000 1 TON DULLY I HAVE STILL PASS CAL SMOG WITH THIS TUNE UP EMC. Check out their web sight Bankspower.com 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. Other #s not sure what they are if theyre useful, 86DAFMM0017433PS, HDW # 16239740. We use the original black box PCM's. How much can you get them for? The Gray, the green with white strip and the black test grounded. what features will i gain with this new unit. 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. Gains will be on par with what we achieve with the RV's so it will very well suited for towing. 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. As I understand it I do not have the newer 0411 ECM and these have better processing power but need to be repinned. The 454 HO crate engine boasts 438 HP and 500 lb-ft of torque. Full Forum Listing. With our tuning, peak horsepower is at about 3500 RPM and peak torque is about 2500 RPM. and will it improve my over all 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. My question is what cam you would recommend for towing? Every horsepower subtracted as a result of parasitic drag is one less horsepower that wont help your truck travel down the road. We have a complete Banks Power System and Banks Air Flow. Engine Hotrodders' Lounge Body - Exterior Transmission - Rearend . 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 list that this RV was originally equipped with a 4.63 rear gear ratio and a tire size of 225/70R19.5. I just ordered an ECM for my 7.4 and was curious on if you guys did this tuning on the 5.7s? If you can supply me with your VIN and any part #'s that are on the ECM I can do some research. Oxygen sensor modifications can be done. Also, is shipping included both ways? Is this doable? $119.95. Have you plugged an OBD2 reader into the truck to see what it is displaying for RPM? As you can tell, it doesn't deliver much. But like any stock engine, there was tons of power left to be squeezed out. Can you tune my new 2000 ECM and will it work without the original key and ignition harness. Whats the stock numbers on a Vortec 454? If so, is that the unit that sits above the radiator of a 2000 Itasca Suncruiser V32 w/ L29 7.4l (454ci) Vortec? 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. 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 What is the difference between a Duramax 6.6-liter and a Chevrolet 7.4-liter engine? I own a 1998 Safari Trek 2830 P32 chassis with an L29 28'7" Class A RV Drivetrain it s completely OEM.. 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. We've had a lot of issues with 1996 & 1997 PCM's so for the moment we are not tuning those. Free shipping for many products! Yes, this would be the compatible ECM with your VIN and part #. This engine has two valves per cylinder and features multi-port fuel injection. 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?? The Muscle Automobile Period had come and gone before the 7400 series debuted. Thanks. what does this do at emission inspections?? Makes NO permanent changes to your vehicle's computer! This 1-ton dually truck is used for hauling a large slide in camper and atv trailer. . Free shipping. 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. FULL RESULTS-GEN 5 454 UPGRADE-STOCK PEANUT PORT HEADS. The intercooler did indeed drop the inlet air temps before the carburetor from 248 degrees to 111 degrees and the cooler charge dramatically improved the power output. 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. I assume the module is a pre-programmed ECM chip that replaces the stock ECM chip. 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. Buy your Big Autoparts Ignition Distributor Set DR474 DR331 at Amazon! The tuning alone will be the single biggest change you can make to improve power and throttle response. 1999 Crew cab dually, 454 vortec, AUTOMATIC. 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. merci. K&N fuel injection performance kit. We set it for the best performance in all conditions, it is not user adjustable. 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. 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? And performance tune? Will this correct my RPM gauge issue? 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. Yes that would be fine, you would just need to call in to our service department and schedule a date :). Truth be told, Vortech offered a number of Maxflow Aftercooler systems but we selected an intercooler core we had on hand for testing. We will set the tune up based on your modifications and requests. For a better experience, please enable JavaScript in your browser before proceeding. The tuning is custom to each vehicle depending on calibrations, modifications and any special requests. 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. 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. So, what are the most common problems with the Chevy 454 Vortec? 1997 gmc 3500 cc dually. Performance Street, great low to mid-range. I am doing a full engine swap from a damaged motorhome to my older motorhome. All other modifications are going to be expensive, labor intensive and still not necessarily yield the same results. Change to a synthetic oil that is light-weight. 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). The greater the power gains, the bigger the budget. GAS MILEAGE. I have a 2000 gmc k2500 with the l29 454. We can easily do this with the specs you provide. 454 Vortec Reliability and Ownership Guide, Pre-Purchase Inspection: What to look out for, crate version of the 454 big block from Chevy, 1996-2000 Chevrolet/GMC C/K GMT-400 platform trucks 2500/3500, 1996-1999 Chevrolet Suburban 2500/GMC Suburban 2500, 1996-2000 Chevrolet Express ( & 1 ton versions), 19982001 Chevrolet Kodiak/GMC TopKick/Isuzu H-Series 4500 5500, Larger Fuel Injectors and Fuel Pump Regulator. do you think I could get more power with your ecm re-program? Engineered specifically compatible with General Motors Vortec V8 engines,specifically compatible with General Motors Vortec V8 engines,Offering the quality,reliability,durability. We are running about 2-3 days on turnaround right now. We only specialize in the big block engines. Only a set of dyno headers and an electric water pump were different. 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. I was thinking about removing the catalytic converter and was wondering if your reflash will delete the "check engine" light that will probably occur when I cut it off? 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). The 8.1 Vortec was produced to compete with Dodge's 8.1 Magnum V10, and Ford's V10 Triton engines of the time. 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. Yes, we could accept the PCM from your '98 as the core. I think they were made before Chevy started using real tornados. Weve seen a few 1996-1997 PCMs with this issue. 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. Yes - We can definitely take advantage of the current modifications done to the truck and really help it out. Switched to Mass-Air Flow. He could even be found working on tractors or hay bailers while on vacation at his uncles farm. We have been doing them on a limited basis, it has been very challenging to find good cores to use. I am of the same opinion that the UltraPower programming is going to be by far your best "bang for the buck". Stage 1 Upgrade for Mercury 525 EFI. 7.4 Vortec Vehicles Applications The Vortec 7400 had two variants, the L29 and L21, and they appeared in the following vehicles: Orders placed on the weekend or after cutoff on Friday, and orders placed on select holidaysareprocessed on thenext business day. Subtract the standard .050-inch clearance, this leaves only enough room for a .420-inch lift cam. 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. I won't change the exhaust or add a ring eating K&N. Thank you. 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? It can be done fairly cheap , power for days and 15-20mpg, I repeat. We can tune stock or modified, not a problem. I think I am going to swap on a good set of aftermarket heads and change out to an Edelbrock Pro Flo EFI. That model of 454 is alot diffrent then gen 1..It wont take a normal cam and theres some other diffrences that kinda limit what can be done to it.im sure someone will chime in with specifics Yes, it's a OE roller camshaft block and 1 piece gasket crank. Check if this part fits . Install a high flow air filter and cold air induction intake. In search of power, GM reverted to the big-block engine design, with a 454-cubic inch displacement. It was the same size as the outgoing 7.4 L V8, but got a boost in power and more towing capacity. JavaScript is disabled. For this test, the motor was configured with an Edelbrock RPM Air Gap intake and Holley 750 carburetor. Hello! The stock Vortec iron head will not tolerate more than .440-inch lift. He eventually figured it out. It was also noted to have more power for gasoline engines. I'm saving up for the banks power pack system. Use a set of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. 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 not can a non uhaul ecm be used (ie plugged into the current harness)? 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 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. I am considering some performance upgrades to my 2000 Winnebago Brave with the 7.4 liter engine. BBK Performance Parts 1710-XC GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD. Some differences are: 1. They seem to be similar to those used in your RV work. Using 3.5-inch aluminum tubing from CXRacing, we configured the intercooler between the YSI supercharger and the blow-through carburetor bonnet. The issue with your tachometer would only be fixed if there is an actual issue with your PCM. If you don't mind a "dirty" PCM case then we can take care of an order for you. These modifications will improve net mileage without sacrificing power, resulting in better overall mpg. 7.3 is 250-275/505-525 stock. We appreciate it but we only specialize in the big block engines. We would recommend speaking directly with a camshaft manufacturer to determine the best for your particular engine. I borrowed a friends TBI 454 dually to pull my blazer one time and it impressed the **** outta me. Truck runs great doesnt miss or anything just seems to not really have any power at all in 1st gear and alittle more in second gear. Please see our shipping terms for more information. I have a 1999 Fleetwood Flair with a 7.4 Workhorse. Please contact us directly to set that up at 800-417-4559. We don't however specialize in forced induction applications so we would not be able to help you with that. If you send it to us you avoid paying the core charge. Headers suggested. Richard Rowe has been writing professionally since 2007, specializing in automotive topics. Straight Port Cylinder Heads 6. 1 cat is gone already and the other is gutted i am taking it off next week when i get a chance. $399.99. The terms ECM, PCM, and VCM are all used to describe the engine computer by various manufacturers, yours is located above the radiator . 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*. If I order a ecm reprogram will this fix my speedometer error too?? Do you folks know of cam upgrades along with tuning that would give power upgrades on a l21 with a manual transmission ? There should be no reason to ever need to reprogrammed in the future and if you needed a replacement PCM we can take care of that for you. I would like the biggest bang for the $. 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. 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". 5. 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. Also I want to send you guys mine as core but I wanted to get yours first so Im not without my truck and if something goes wrong I can plug my factory one back in, so can I wait to send mine till after I get yours? We are currently out of clean/painted cases for the PCM's. 454 L29 Power Upgrade. Don't worry about what a camshaft may produce at 4000-5000 rpms in truck engines like this - YOU DON"T DRIVE THERE! Does this computer hav egr delete programmed into it. These modifications will help to generate more horsepower without adversely affecting fuel efficiency, which will ultimately increase net mileage. HotCars covers all things automotive: the latest auto news and informative reviews on the car, pickup truck and motorcycle industries. It was utilized in the Chevrolet Silverado, GMC Sierra, Chevrolet Suburban, and Chevrolet Express. The cooler charge air (plus tubing length and bends) dropped the peak boost pressure from 19.1 psi down to 17.7 psi.