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. Bosch p/n: 0280155884. 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*. Here is info from COMP Cams. 98 Single Rear Wheel 3500 7.4 Vortec. 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. They also installed roller lifters, heavy springs and chain/gears. I do still have all the O2 sensors but would like to delete them if possible. Headers exhaust. im wanting /needing power and torque. All fuel injector specifications meet or exceed the manufacturer's specification standard. Vise grip, needle-nose and standard pliers. my ecm has to be replaced. 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 $. I am ready to pull the trigger if I continue to run 87 octane fuel. m) at 3200 rpm. 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. It was bone stock 2x4 extended cab dually. 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. 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. 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. Feel free to call me with your vin # handy if you would like to get your order in. The stock Vortec iron head will not tolerate more than .440-inch lift. The tune will definitely wake the truck up. Without going into the engine, they make a supercharger kit for it, I know whipple use to. The K&N raises the horsepower of your 5.7 Vortec crate engine by 45 percent. 496 MAG Performance Parts Performance Applications Chevy / GM Trucks Richard Rowe has been writing professionally since 2007, specializing in automotive topics. 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 bill: $3,699.96 for all but the carb. BBK Performance Parts 1710-XD GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD. Short tube headers won't do anything for you but long tube headers would he beneficial. Install a high flow air filter and cold air induction intake. The vin is for a 2004 gmc 1500 with a 5.3 vortec. After all, every horsepower lost to such "parasitic drag" is one less that won't be helping your truck move down the road. Does this upgrade have a negative or positive impact on engine life? 4.56 might be abit tall. It is bone stock except for tow mirrors and Kodiak door handles on all 4. I have the 411. A cold air induction setup will feed the engine cooler and more oxygen-dense air. Is it not the same motor from 96 to 2001. When you purchase, just let us know any modifications or requests and we can accomodate. Always a big complaint with 454 TBI trucks. 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). You will gain approximately 35-40 horsepower and 45 lb-ft torque. He eventually figured it out. However, Chevy still offers the 454 big block V8 as a crate engine. Even better than the big peak gains was the fact that the cam swap . How To Add 70 Percent More Power to A Chevy 454 V-8. 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. 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. Im interested to know if you change the shift points or anything like that cause I have a shift kit in the transmission already. I like my shift points where they are. If so, is that the unit that sits above the radiator of a 2000 Itasca Suncruiser V32 w/ L29 7.4l (454ci) Vortec? Edelbrock 7162 Performer 454 Cam kit can produce 540 horsepower and 530 ft-lbs torque power on a 454 engine. Free shipping. If not can a non uhaul ecm be used (ie plugged into the current harness)? Im doing a full build on the motor Ive been told that these injections systems dont do well with these kind of upgrades. GAS MILEAGE. From my experience, the HyperTech programmer for those engines is pretty generic and does not make very many changes in the programming. Roller Lifters 5. Can you guys tune that ecm? 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. That represents a 70-percent increase in horsepower. Install an aftermarket windage tray in your engine. 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. But don't despair. Yes, we can do that. 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. JavaScript is disabled. 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 ?? 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! 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. Would we still get the good price when you get more control modules in stock? Just need a working substitute, no enhancements really needed. Find many great new & used options and get the best deals for BBK Performance Parts 1710-XD GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD at the best online prices at eBay! It is a re-programmed ECM, either you send yours in or we send you one on a core exchange. CHEVROLET 7.4L/454 - Free Shipping on Orders Over $99 at Summit Racing Departments Restoration Stock Replacement Street Rod Shop Departments Air & Fuel Delivery Books/Videos/Software Brake Systems Chassis & Suspension Cooling & Heating Engines & Components Exhaust Exterior & Accessories Fasteners & Hardware Fittings & Hoses Gaskets & Seals Do you offer anything for the 5.3? See listing details. I dont have the 2000 VIN only the VIN from my 1995. Oct 25, 2004 Do you guys know anything about the L29 Vortec motor. My goal is to improve torque and trans efficiency then MPG. 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. Alright Jay! 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. We can tune the 2000 ECM for that engine and I'm pretty sure the ignition harness on that vehicle has no tie in with the ECM. You can expect about 40-45 horsepower and 45-50 lb-ft torque increase with much better throttle response, crisp shifts and there is a reduction in the "TQ Management". 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. You claim 40-55hp gains is that something that I will notice drastically or is it more of a subtle power increase? It's a nice cam for a 454 big block chevy engine that runs with 1500-6500 RPM Range. I just bought this 97 suburban 4wd with the bbc. 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. . 1999 Crew cab dually, 454 vortec, AUTOMATIC. Weve seen a few 1996-1997 PCMs with this issue. 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. Turn around time is 1-2 business days. Edlebrok performance heads with factory Combustion chamber size 100-110cc, valves set for .700 lift, I-2.190 E-1.880, 3/8" guideplates : http://www.summitracing.com/parts/EDL-60499/ GM Vortec EGR blockoff plate p/n is 12554606. Reference core exchange, what is the time limit for you to receive the exchange? 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. 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. We would recommend speaking directly with a camshaft manufacturer to determine the best for your particular engine. It is located on top of the radiator support and has 4 connectors going into the back of it. 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. $199.95. 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. Yes, we could accept the PCM from your '98 as the core. After installed Ultrapower GM/ Workhorse 1998 7.4l Vortec 454c. Is the pcm that is used a 411? Truth be told, Vortech offered a number of Maxflow Aftercooler systems but we selected an intercooler core we had on hand for testing. 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. Sequential-Port Fuel Injection (454 only had 2 Throttle Body Injectors) 3. 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. Straight Port Cylinder Heads 6. When it shows 55 MPH your actually going about 57 to 58 MPH. I just purchased your UltraPower GM / Workhorse 1998-2000 7.4L Vortec (454) Custom Tuning. It is quite a noticeable difference! 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. 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. Just make sure to include that information in the order comments and we can make that happen for you :). How much can you get them for? If it is a 1998 then yes you can. Whats the stock numbers on a Vortec 454? We only specialize in the big block engines. Does this computer hav egr delete programmed into it. We can also take care of the TQ management for you. Yes, all gains listed are with 87 octane gas. If it does work what would do for pulling and climbing hills? $360.56. Make use of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. Most generic tuners only change very basic parameters within the computer, whereas UltraPower Tuning changes approximately 400 parameters including both engine AND transmission settings. 1997 gmc 3500 cc dually. As you can tell, it doesn't deliver much. 16238212. If product is incorrect for the provided VIN we will contact you to revise order. We do not, however, have core PCM's for this engine so you would have to send your PCM in for the flash. Will the UltraPower tune, give me the "best bang for my buck" performance increase? "SE" Special Edition Tuning Kit For MerCruiser 454 & 502 Magnum MPI Engines. 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. This engine has two valves per cylinder and features multi-port fuel injection. I fought this truck with the cats deleted and air pump disabled. Thanks. I've always heard that they were a good upgrade to the TBI 454 and earlier 454 heads. 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. Could you do a downstream 02 sensor delete? TQ with those modifications done. The C/K 3500's standard engine is a 5.7-liter V8 OHV 16-volt FI engine, and the 454 engine comes as an optional upgrade. Not sure if you have any other issues causing low power though because it should outperform the 5.7L, especially towing. Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. The budget portion of the equation came from a 7.4L Gen VI big-block Chevy straight out of the local wrecking yard. Cost is $395 plus a $175 core charge which is refundable. torque so it will definitely be able to hold the upper gears better when hill climbing and have improved acceleration. The P12 was only available for 1 or 2 years so there wasn't enough demand to continue producing products for it. Would the retuned ECM provide any performance gains above what are present now? Steel Camshaft 4. Sorry I dont have the VIN, the truck is not local, I have a 1998 2500 7.4 Vortec GMC Suburban. 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 just ordered an ECM for my 7.4 and was curious on if you guys did this tuning on the 5.7s? The exhaust does not have CATS with dual to the muffler and single exit tailpipe. 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. Dec 18, 2007 . I have a 2000 3500 454. The 8th digit of your VIN is the letter "D" which designates your engine as a 7.4L LP4 which is different from a normal L29 7.4L. 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? A restrictive or clogged air filter makes the engine work harder to breathe, which reduces efficiency. To find out just how much the 30-year-old behemoth could muster, they took it to Westech Performances dyno room. Full Forum Listing. I bought this truck brand new. Probably cause no cats. Performance Street, great low to mid-range. 2023 Power Automedia. Obviously different, but I still think the 454 has more to offer. 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. They seem to be similar to those used in your RV work. He could even be found working on tractors or hay bailers while on vacation at his uncles farm. . Heads, intake and headers would definitely wake it up. 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. performance, modifications, classifieds, troubleshooting, maintenance, and more! Our typical turn around time is 2-3 business days. The tuning is custom to each vehicle depending on calibrations, modifications and any special requests. 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. Are the tunes generic or do you change different things for different people? Is it possible to upgrade the ECM on my 1994 Fleetwood Southwind Storm 454 TBI w/4L80E trans? 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. When you buy a single component or a complete kit, like a camshaft, you must ensure that it is suitable for your car. The upgraded Vortec 7400 is a 7.4L V8 OHV 16V-volt FI engine. We don't however specialize in forced induction applications so we would not be able to help you with that. A cold air induction setup will feed the engine cooler and more oxygen-dense air. Mark McNabb was a contributor at TopSpeed from 2013 to 2018. will i notice anything? If you want to send your PCM in that you know is functional, that is the best way to do it. We do not go further back than 1996 (OBD2) modules, sorry. 7.4 chevy engine in georgia boy pursuit motorhome. K&N fuel injection performance kit. 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. 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. 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. Following up from previous question, here is the VIN 1GDG6H1BXYJ907917 and #s off the ECM, 09384681, sev. Check out their web sight Bankspower.com The heads, pistons, and intake are stock. We are running about 2-3 days on turnaround right now. The Vortec 7400 as you know lays down 290 HP and 410 LbFt of Torque. I heard these trucks have a torque management system does this computer give my truck back all its power? Yes, it definitely will. Purchase a Chevy 454 crate engine online from JEGS High Performance. I have been watching lots of posts and things get carried away very quickly about getting big big hp. Will this correct my RPM gauge issue? This is a stock style setup, featuring a 4.000" stroke and bore sizes ranging from 4.250" (standard) to 4.375". Step 2 Install a high flow air filter and cold air induction intake. Is this enough information to create a tune or will you need more information? Is this doable? If I order a ecm reprogram will this fix my speedometer error too?? The banks system will give you 70hp and 85lb-ft. The Chevrolet 454s of the 1970s were the most powerful, with the LS5 producing approximately 360 horsepower and the LS6 generating around 450 horsepower. This engine series was utilized on Chevrolet and GMC large truck models such as the Suburban from 1996 through 2001. Every horsepower subtracted as a result of parasitic drag is one less horsepower that wont help your truck travel down the road. Yes, you can pay the $100 up front core charge and be refunded when you send your original back to us. Do you still tune the 96 ecm? You can definitely hold on to your PCM, that is not an issue. 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. Chevrolet 7.4 Vortec was a modern-day improvement of the firms most legendary big block. Performance. Another popular upgrade is changing to Bosch 4 hole injectors. I own a 1998 Safari Trek 2830 P32 chassis with an L29 28'7" Class A RV Drivetrain it s completely OEM.. Yes, we tune for 87 octane unless a higher octane is requested. Buy in monthly payments with Affirm on orders over $50. 5. Raylar performance packages allow your 496 to produce massive amounts of power without sacrificing reliability. 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. To others, the 7.4 Vortec 454 big-block was the perfect engine at the wrong time. We immediately checked the latest 8.1L off the list due to lack of availability and parts cross over. Dodge RAM 3.0 Ecodiesel Performance Upgrades Guide, Best Ford 6.7 Powerstroke DPF Delete Kit Upgrade. Yes - We can definitely take advantage of the current modifications done to the truck and really help it out. Really? 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. Apr 14, 2016. What is the difference between a Duramax 6.6-liter and a Chevrolet 7.4-liter engine? 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). 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. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. There is a small red wire that has never been connected to anything. Unfortunately this is not something that we offer. Use for stock replacement OEM original equipment. If you are placing an order to ship outside the United States, Shipping Insurancewill be required and added automatically at checkout. The greater the power gains, the bigger the budget. Free shipping for many products! I have a few questions so bear with me here. I am doing a full engine swap from a damaged motorhome to my older motorhome. 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 Also, is shipping included both ways? I am considering your tune for my motorhome. 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. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. Pindar Thanks, WILL THE 2000 1 TON DULLY I HAVE STILL PASS CAL SMOG WITH THIS TUNE UP EMC. How much will the customization cost me? 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. The stock injectors are fine for our performance tuning. In an effort to further drop the inlet air temps, we installed a makeshift air-to-water intercooler. PART NO. My question is what cam you would recommend for towing? Explore Our Forums. Typical gains are 40-45 horsepower and 45-50 lb-ft torque, 4. Yes, you will still pass emissions as long as you don't tamper with the existing emissions systems. And i was wondering what benefits will i see with my 454 i have a new jasper motor with upgraded injectors and full exhaust. If you don't mind a "dirty" PCM case then we can take care of an order for you. Yessir! Do you have identifying marks on the ECU? But like any stock engine, there was tons of power left to be squeezed out. The UltraPower ECM performs very well on both stock engines and ones that have been upgraded with other modifications. Painless Performance 60211 Standard Length MPFI Harness for 1996-2000 GM Vortec 7.4L V8, Innovative Performance Chip/Power Programmer, Big Autoparts Ignition Distributor Set DR474 DR331, ELGIN Industries HL-7003S Hydraulic Roller Valve Lifters set, Painless fuel injection wiring utilizes all new TXL wire, OEM fitment connectors and grouped harness breakouts making for an easy install and saving you from using old re-worked wiring; Machine crimped terminals match OE quality. 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. For GM vehicles, the Vortec variant increased power by 60 horses. We can easily do this with the specs you provide. When taken together, this fairly inexpensive approach can be good for noticeable gains in fuel economy. Free shipping for many products! . Please just leave in the order comments your requests to be done. I have a 1996 Suburban K2500 with the L29 engine and 4l80 trans. In addition to the powerful YSI supercharger, the kit included a cog-drive system to eliminate belt slippage under boost. Do you have any videos of how to locate and remove my ECM? 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? Thank you. We are unaware of any cam upgrades specifically for the L21. 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. However, this engine was developed mostly for large towing ability for CAFE-exempt passenger cars, so there is still room for improvement. Only a set of dyno headers and an electric water pump were different. I have the parts list and see one item called 01-412-8 hyd roller cam for $315. I have a 2000 GMC school bus with the L21 7400 motor. Of course, the guys wanted to see what the old iron block had in her, so they ran a baseline test. Also I dont have either downstream 02 sensors. Yes, we can resolve your issues. My next upgrade is going to be exhaust. Oil collects on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons), reducing horsepower through parasitic drag.
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