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My next upgrade is going to be exhaust. 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 I have a 1996 Suburban K2500 with the L29 engine and 4l80 trans. I've always heard that they were a good upgrade to the TBI 454 and earlier 454 heads. Is there anything to be gained within my parameters? Engine Hotrodders' Lounge Body - Exterior Transmission - Rearend . $360.56. Right now I have a CAI, 2" full length headers, 3" dual exhaust and EGR delete. If not can a non uhaul ecm be used (ie plugged into the current harness)? Bosch p/n: 0280155884. He has worked as a tractor-trailer driver and mechanic, a rigger at a fire engine factory and as a race-car driver and builder. and will it improve my over all power? We use cookies to ensure that we give you the best experience on our website. 4 Bolt Main GM Factory Vortec, Edelbrock's Performer Multi-Point EFI. The stock Vortec iron head will not tolerate more than .440-inch lift. 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. Free shipping for many products! Yes, this would be the compatible ECM with your VIN and part #. Give me some idea as to what this product does exactly, and how I will benefit from spending $$ on it. high flow intake elbow, filter and MAF (454 used only MAP) 2. Also I dont have either downstream 02 sensors. 7.4 Vortec Specs Chevy based the 7.4 Vortec off their 454 big block engine, hence the name 454 Vortec. Of course, the guys wanted to see what the old iron block had in her, so they ran a baseline test. Thanks. Another popular upgrade is changing to Bosch 4 hole injectors. Install an aftermarket windage tray in your engine. 49073 - Banks Power TorqueTubes GM P-series 7.4L 454 96-00, SPW7400 - UltraPower 7.4L Vortec Magnum Workhorse/Chevrolet Spark Plug Wires (1996-2000). Very interested in this. A few weeks ago I bought a very low milage 454 Gen. VI L29 Vortec engine with hydraulic roller. The 4300 was GMs first Vortec-engine V6, released in 1986 and designed for trucks. We'll send you the most interesting Street Muscle articles, news, car features, and videos every week. The cooler charge air (plus tubing length and bends) dropped the peak boost pressure from 19.1 psi down to 17.7 psi. For more information, visit www.P65Warnings.ca.gov, NOTICE: Fororders outside of United States. How To Add 70 Percent More Power to A Chevy 454 V-8. That just won't do. JavaScript is disabled. performance, modifications, classifieds, troubleshooting, maintenance, and more! Buy your ELGIN Industries HL-7003S Hydraulic Roller Valve Lifters set at Amazon. Unfortunately this is not something that we offer. I borrowed a friends TBI 454 dually to pull my blazer one time and it impressed the **** outta me. And a k and n filter. 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. Do a 12 swap and be done. Yes, all gains listed are with 87 octane gas. I'm sorry, we can't tune anything prior to 1996 model year. 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). GAS MILEAGE. It specs out at 265 HP@4500 RPM and 340 ft/lbs of torque@3500 RPM. no. A stock 12v ain't got **** on a BBC. We also took the liberty of installing a Race-Port blow-off valve from Turbo Smart. There are a lot of variables that play into the exact gains we can achieve but I would say somewhere around 45-50 HP and 60 Ft Lb. Reasons to buy: It was utilized in both performance automobiles and trucks, as well as maritime and industrial applications in various combinations. What sets us apart from the others? As long as you don't have any emission systems removed, you will pass without any issues. 3. If you are wanting to keep the truck otherwise stock, the tuning would be your best upgrade to boost the performance and it would definitely help the low end where you are wanting it to. 1999 Crew cab dually, 454 vortec, AUTOMATIC. Wiring is the same. Buy your Big Autoparts Ignition Distributor Set DR474 DR331 at Amazon! These 454 7.4L engines tend to respond pretty well to camshaft changes with good grinds that are designed to produce low and mid-range rpm torque increases. I have a 2000 gmc k2500 with the l29 454. It is unlikely that the Vortec 454 accessories will clear the hood. Alright Jay! It was utilized in the Chevrolet Silverado, GMC Sierra, Chevrolet Suburban, and Chevrolet Express. I have a 2000 3500 454. 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. We are running about 2-3 days on turnaround right now. I sprayed starter fluid in the tbi and it fired up for a few second. If you don't mind a "dirty" PCM case then we can take care of an order for you. 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 would like the biggest bang for the $. 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. You can definitely hold on to your PCM, that is not an issue. 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. 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. The batteries are fully charged and there is 12 volts to the distributor. Since the cat removal shift points have been wonky. Pindar Purchase a Chevy 454 crate engine online from JEGS High Performance. I bought this truck brand new. I would think that u-haul did not use their own ECM. Boost your horsepower, torque, throttle response and fuel economy with the advanced Innovative Performance Chip compatible with your Chevrolet Silverado 1500! Hot Rod decided to bolt up some typical speed parts. I THINK I want a diesel until I look at the prices. Gasoline engines do not require different settings for different conditions like a diesel engine does. The 8.1 Vortec was produced to compete with Dodge's 8.1 Magnum V10, and Ford's V10 Triton engines of the time. 1996 c3500 dually 7.4 with 5 speed. 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? I heard these trucks have a torque management system does this computer give my truck back all its power? Chevrolet Performance's 454 HO crate engine is a Big-Block bargain - an affordable engine with performance specs that will make you think it's 1970 all over again. Subtract the standard .050-inch clearance, this leaves only enough room for a .420-inch lift cam. We can easily do this with the specs you provide. I wouldn't mind an EGR delete for the part throttle improvement and a cleaner intake, but mostly I would like to keep everything else functioning, I am looking for more torque below 3,000 rpms, ideally in the 1500-2500 range, because almost all of my driving is in that range. Yes, it definitely will. Feel free to call me with your vin # handy if you would like to get your order in. Yes our tuning does work for trucks as well. Also, is shipping included both ways? 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. Raylar performance packages allow your 496 to produce massive amounts of power without sacrificing reliability. Now, that poses the question: what would you shoehorn this big-block Chevy into? m) at 3200 rpm. Oil collects on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons), reducing horsepower through parasitic drag. Stronger shift points for towing and power. It's a nice cam for a 454 big block chevy engine that runs with 1500-6500 RPM Range. Orders placed on the weekend or after cutoff on Friday, and orders placed on select holidaysareprocessed on thenext business day. BBK Performance Parts 1710-XC GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD. Can I tune it myself later with my own tuner or is it still a black box like the oem? 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. Overall Length: 3 inches, 74 mm. Is it possible to upgrade the ECM on my 1994 Fleetwood Southwind Storm 454 TBI w/4L80E trans? 1997 gmc 3500 cc dually. If you would like to place your order feel free to give me a call at 800-417-4559. In an effort to further drop the inlet air temps, we installed a makeshift air-to-water intercooler. Thanks. BBK is your Number One Aftermarket Performance Brand in the USA - American Designed and Built . I just bought this 97 suburban 4wd with the bbc. I'm saving up for the banks power pack system. The issue with your tachometer would only be fixed if there is an actual issue with your PCM. 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. Why a motorhome? For GM vehicles, the Vortec variant increased power by 60 horses. The heads, pistons, and intake are stock. Yes, we can tune your L21 for similar gains as with the L29. Following up from previous question, here is the VIN 1GDG6H1BXYJ907917 and #s off the ECM, 09384681, sev. Mark McNabb was a contributor at TopSpeed from 2013 to 2018. Eric, we can program for EGR delete, cost would be $ 495.00 and would also include the performance tune . Power & Performance News is the source for news, tech and products that help you get more performance from your vehicle. However, this engine was intended to provide significant towing power for CAFE-exempt vehicles, so there is still room for improvement. 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. Only a set of dyno headers and an electric water pump were different. what features will i gain with this new unit. With the baby stock cam they made 290hp and 415 ft lbs of torque. Solenoid resistance: 12.5 Ohms. I have a 2000 OBS Chevy quad cab with a 454 Vortec. Yes, you can pay the $100 up front core charge and be refunded when you send your original back to us. But don't despair. How much will the customization cost me? 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? It was bone stock 2x4 extended cab dually. I am considering your tune for my motorhome. 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. 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. Only a set of dyno headers and an electric water pump were different. Installed E3 spark plugs which seemed to help. This mod will not be inexpensive or simple to execute, but it will pay for itself if you do a lot of towing or drive a lot of miles. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. What is the difference between a Duramax 6.6-liter and a Chevrolet 7.4-liter engine? 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 Hot Rod And remember, thats all without touching the bottom end. 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. We do not go further back than 1996 (OBD2) modules, sorry. I know they were installed in trucks from 96- 00?. Other #s not sure what they are if theyre useful, 86DAFMM0017433PS, HDW # 16239740. 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. 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. If you can supply me with your VIN and any part #'s that are on the ECM I can do some research. So, what are the most common problems with the Chevy 454 Vortec? These modifications will improve net mileage without sacrificing power, resulting in better overall mpg. I have a 2000 OBS Chevy quad cab with a 454 Vortec. I have a 1996 Winnebago with a P30 chassis and a 454 75,000 miles and runs great. 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. I installed a K&N replacement are filter in the stock air box. The only weak link is the peanut port factory heads and the sprinkler style fuel injection. My question is that I have a 1998 7.4 parts truck. We can send a pre-programmed ECU on core exchange. 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. Only tow rigs I have used to pull my Jeep with was this truck and my DD Driver 5.3 Tahoe. Thanks. Buy your Chevrolet Performance 454 crate engine from JEGS High Performance today! Does this computer hav egr delete programmed into it. You will gain approximately 35-40 horsepower and 45 lb-ft torque. Hi Warren, that is definitely something we can tune for. will your new part ecm work on this motorhome. Really? 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 reprogram yours and put it in a new case so it looks nice! 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. The state of California requires that this warning be posted for people purchasing products that reside in California. The greater the power gains, the bigger the budget. Is it actually running at that RPM or just showing that? The single core from CXRacing featured 3.5-inch inlet and outlets and had been tested previously at over 1200 hp and 25 psi. 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. Is this enough information to create a tune or will you need more information? 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. PART NO. I plan on the injector and ignition work done in march. Truck has k&n air filter, 2.5 inch exhaust (no cats), e3 spark plugs and 8.5mm plug wires. Yes, you will still pass emissions as long as you don't tamper with the existing emissions systems. We tune the original black box PCM but do not do the 411 swap. It went through different upgrades over the years finally ending with the 454 Vortek which stopped production in 2001. 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. 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. Based on experience, we have had good results with Comp Cams 212/218 hydraulic roller camshaft. I've made several performance upgrades myself, but are always looking for something better. But like any stock engine, there was tons of power left to be squeezed out. Explore Our Forums. 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. The main improvements will be improved shifting and overall more torque to pull hills. In our quest to locate a suitable 454, a typical rip to the wrecking yard revealed at least three of the four available big-block combinations. We have a complete Banks Power System and Banks Air Flow. Body Diameter: 16 mm. Using 3.5-inch aluminum tubing from CXRacing, we configured the intercooler between the YSI supercharger and the blow-through carburetor bonnet. 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. Check the make, year, and model of your car to see if the VIN number is available. The Vortec 7400 as you know lays down 290 HP and 410 LbFt of Torque. 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. The peak numbers jumped from 791 hp and 713 lb-ft with no intercooler to 847 hp and 761 lb-ft with the intercooler. Yes, we can do that. We only specialize in the big block engines. Apr 14, 2016. The 1970 Chevrolet 454 was the most powerful with outputs of 360 and 450 horsepower from the LS5 and LS6, respectively. Or is it what get is all you get? Are there any gains to be had by programing and adding headers to my truck? Always a big complaint with 454 TBI trucks. 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. Its 567 horsepower of usable, reliable, fun power that anybody on a budget can build. These Chevy 454 Vortec engines made 290 horsepower and 410 lb-ft. Chevy 454 HO Crate Engine Vortec 7400 engines were the final version of the 454 used in production vehicles or trucks. After installed Ultrapower GM/ Workhorse 1998 7.4l Vortec 454c. Would the retuned ECM provide any performance gains above what are present now? I called Banks Power last week to try and find out what they recommend. Will the UltraPower tune, give me the "best bang for my buck" performance increase? 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. Free shipping. We require the VIN so that we can pull up your vehicle's specific parameters and create a truly customized tune for your vehicle. With the shut downs due to the virus, our normal service company that does that for us is closed. 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*. 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 set all the parameters in the PCM, so you will not have a way to make adjustments on your end. All other modifications are going to be expensive, labor intensive and still not necessarily yield the same results. Obviously different, but I still think the 454 has more to offer. If they were cheap enough, sure. Install a high-flow air filter and a cold air intake. Is this doable? Switch to a lightweight synthetic oil. Roller Cam, .483 Lift . . Programmers. my ecm has to be replaced. CAN YOU REALLY MAKE DECENT POWER WITH A SET OF PEANUT PORT BBC HEADS?. You claim 40-55hp gains is that something that I will notice drastically or is it more of a subtle power increase? It will not void your factory warranty, and does not modify any emissions systems. 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). This 1-ton dually truck is used for hauling a large slide in camper and atv trailer. as much as possible im going to do a cam exhaust and injectors and intake so my questions are what do you think my gain would be with your pcm and can it be piggy backed with a plug in tuner thanks matt, would i be able to get a retune if i add a cam after, and what is the turn around time, thanks. K&N Performance Fuel Filters are built for high flow rates and capacity while they provide outstanding filtration. 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 It can be done fairly cheap , power for days and 15-20mpg, I repeat. That being said, the threads on the net are pretty old. 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. Hello! Yes - We can definitely take advantage of the current modifications done to the truck and really help it out. We can tune it if you can build it :). If so, is that the unit that sits above the radiator of a 2000 Itasca Suncruiser V32 w/ L29 7.4l (454ci) Vortec? . The compression was plenty low for use with the blower, but the extra power it provided would eventually be multiplied by the boost. is this unit ready for plug and play. Also how much horse power and torque do these motors have stock? 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. As you can tell, it doesn't deliver much. This engine series was utilized on Chevrolet and GMC large truck models such as the Suburban from 1996 through 2001. I want to install a cam while you have the ECU. 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. Is there a way you could tune that out completely or as much out as you possibly can? . Gains will be on par with what we achieve with the RV's so it will very well suited for towing. 16238212. No where near diesel power my ass. way stronger than a stock 12v, 6.5, & 7.3 powerstroke by far!!!!