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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. I'm interested in the available upgrades for the vortec 454. 800-417-4559 Jay, https://www.ultrarvproducts.com/UltraPower-GM-Workhorse-7.4L-(454)-Custom-Tuning. 1997 gmc 3500 cc dually. It is not 4x4. Free shipping. Technical Specifications: No filter cleaning required for up to 100,000 miles. Nothing I was finding really listed ACTUAL upgrades. Jump to Latest Follow . We have been doing them on a limited basis, it has been very challenging to find good cores to use. These modifications will help to generate more horsepower without adversely affecting fuel efficiency, which will ultimately increase net mileage. Vise grip, needle-nose and standard pliers. The UltraPower ECM performs very well on both stock engines and ones that have been upgraded with other modifications. Installed E3 spark plugs which seemed to help. With the shut downs due to the virus, our normal service company that does that for us is closed. 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. Don't worry about what a camshaft may produce at 4000-5000 rpms in truck engines like this - YOU DON"T DRIVE THERE! I have a 98 C-3500 dually with a Vortec 454. You can source the 454 HO directly from Chevrolet. 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? I've made several performance upgrades myself, but are always looking for something better. Is this doable? I am upgrading the fuel injectors with the new Bosch III's and the plugs and wires. Truck is stock otherwise and runs good just looking for more out of it. Heads, intake and headers would definitely wake it up. Thank you for any information you could give me. Thanks to a maximum impeller speed of 65,000 rpm (racers go even higher) and a peak efficiency rating of 78%, the Vortech YSI was capable of supporting over 1,200 hp at 30 psi. 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 recently ordered an ecm for a 7.4 vortec and was very impressed. And what is the final cost of your ECM. Fuel pump doesn't run. 95K views 2 years ago WESTECH PERFORMANCE GROUP LETS TALK TORQUE! 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. 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. This is only 1 of the many changes that we make with our programming to achieve great power gains. I have a 2000 C3500 with the 454/L29 and auto trans. This 1-ton dually truck is used for hauling a large slide in camper and atv trailer. Reasons to buy: 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. Stage 1 Upgrade for Mercury 525 EFI. 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. Free shipping. The batteries are fully charged and there is 12 volts to the distributor. Just need a working substitute, no enhancements really needed. O-rings: Top and bottom, 14.5 mm - Viton. 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. 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. Subtract the standard .050-inch clearance, this leaves only enough room for a .420-inch lift cam. (454 used only MAP) 2. It may not display this or other websites correctly. I borrowed a friends TBI 454 dually to pull my blazer one time and it impressed the **** outta me. Yes, as long as it is a "J" (8th digit of the VIN) Vortec 7.4L, we can tune it. What are your recommendations?? For GM vehicles, the Vortec variant increased power by 60 horses. Can I reprogram on the fly as conditions change and performance needs warrant a change?? Learn more. Now, that poses the question: what would you shoehorn this big-block Chevy into? We can accommodate your requests for the oxygen sensors, speedometer adjustment and increased HP/TQ. Please just leave in the order comments your requests to be done. It debuted in 1970 as an upgrade of the 427 big-block V8 engine. You will gain approximately 35-40 horsepower and 45 lb-ft torque. 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. We use the original black box PCM's. Oil tends to collect on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons) and reducing horsepower through parasitic drag. As long as the engine is well maintained, reliability is not affected. Injector type: US-CAR, saturated. 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. youll have to stick to a torque cam because of the computor needs vacuum (speed density) headers will help greatly. Richard Rowe has been writing professionally since 2007, specializing in automotive topics. 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. If you continue to use this site we will assume that you are happy with it. m) at 3200 rpm. The state of California requires that this warning be posted for people purchasing products that reside in California. torque so it will definitely be able to hold the upper gears better when hill climbing and have improved acceleration. Buy in monthly payments with Affirm on orders over $50. Only a set of dyno headers and an electric water pump were different. 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? Make use of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. Is there any way I could send you that one as a core in return for one to work in my 2000? It is $495 if your sending your core/pcm in first. You might be able to run an L29 cam, but you will need to consult an engine builder. Also the torque management. If you send us your PCM, our turn around is usually 1-2 days. We can do the tune now with the Banks kit taken into consideration for down the road. Free shipping for many products! We wanted to make sure the air/fuel and timing curves were spot on before running the supercharged monstrosity in anger. 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. Can you reprogram and net me the same HP & TQ numbers as the L29? Thanks. 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. 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. Whether your power boat is running boost or naturally aspirated, we have the correct performance parts for your application. After configuring a discharge tube and adding some race fuel, we slowly supplied boost to the boneyard big block. I'm sorry, we can't tune anything prior to 1996 model year. Vortex comes from the word vortex. The goal was to construct a fuel-efficient engine with an air-to-fuel combustion system that would eventually produce more power. Some parts are not legal for use in California or other . Switch to a lightweight synthetic oil. performance, modifications, classifieds, troubleshooting, maintenance, and more! If you want to send your PCM in that you know is functional, that is the best way to do it. Also how much horse power and torque do these motors have stock? 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. They left all the original parts in place like the two-barrel carburetor and dilapidated ignition system. That just won't do. Precision Auto Injectors Genuine Delphi 12568155 12586557 GM Fuel Injectors Set of 6 2004-2007 GM 3.5L OHV. better yet have it tuned (Brian Bosch I believe is the man to talk to about . I installed a K&N replacement are filter in the stock air box. I'm is Arizona and I'm planning a trip this month after Bonneville, to Aberdeen, home town, and Centralia, still have relatives there. I have the 411. 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. 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. 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). Just wondering because Id buy one of those as well. 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/. Cost is $395 plus a $175 core charge which is refundable. Is this enough information to create a tune or will you need more information? My car is GMC pick-up 7.4L 1998. it is manual transmission. But don't despair. It went through different upgrades over the years finally ending with the 454 Vortek which stopped production in 2001. The problem with making more power is that cost and performance often go hand in hand. The Vortec 7400 was based on Chevrolets 1995 7.4-liter 454-cubic inch V8 big block, which produced 230 horsepower. How much will the customization cost me? Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. We immediately checked the latest 8.1L off the list due to lack of availability and parts cross over. 98 Single Rear Wheel 3500 7.4 Vortec. If so, is that the unit that sits above the radiator of a 2000 Itasca Suncruiser V32 w/ L29 7.4l (454ci) Vortec? I have a 1999 Fleetwood Flair with a 7.4 Workhorse. A cold air induction setup will feed the engine cooler and more oxygen-dense air. Is it actually running at that RPM or just showing that? If you send it to us you avoid paying the core charge. Banks iDash: SuperGauge & DataMonster. In 2001, production of the 7400 line was discontinued. 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. If I send yall Parts list of what kind of cam, injectors, pistons, etc. For more information, visit www.P65Warnings.ca.gov, NOTICE: Fororders outside of United States. My question is that I have a 1998 7.4 parts truck. And performance tune? Would the retuned ECM provide any performance gains above what are present now? Both Vortec 7400 heads (the '98-'01 12560241 and the '96-'01 10141279) have about 100cc chambers. 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? Based on experience, we have had good results with Comp Cams 212/218 hydraulic roller camshaft. I THINK I want a diesel until I look at the prices. 7.4 Vortec Vehicles Applications The Vortec 7400 had two variants, the L29 and L21, and they appeared in the following vehicles: Whats left, though, is a 454 cubic-inch big-block Chevy with huge potential. Steel Camshaft 4. I dont have the 2000 VIN only the VIN from my 1995. . 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. When it shows 55 MPH your actually going about 57 to 58 MPH. We can also take care of the TQ management for you. I'm saving up for the banks power pack system. 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. I was interested in your tune for this engine and was wondering what your best guess on the horse power / toque gains would be. I want to install a cam while you have the ECU. The results: 567 horsepower and 537 pound-feet of torque on 89-octane pump gas! Do you have identifying marks on the ECU? 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?