Also the torque management. Gains will be on par with what we achieve with the RV's so it will very well suited for towing. Anything that will help the performance. 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? It is bone stock except for tow mirrors and Kodiak door handles on all 4. Prices increase after 2/28. I have been watching lots of posts and things get carried away very quickly about getting big big hp. Is there anything to be gained within my parameters? I am doing a full engine swap from a damaged motorhome to my older motorhome. It's a nice cam for a 454 big block chevy engine that runs with 1500-6500 RPM Range. I borrowed a friends TBI 454 dually to pull my blazer one time and it impressed the **** outta me. Any thoughts from you technical guys? I've always heard that they were a good upgrade to the TBI 454 and earlier 454 heads. 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 We set all the parameters in the PCM, so you will not have a way to make adjustments on your end. As long as you don't have any emission systems removed, you will pass without any issues. 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 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". Headers suggested. After selecting a motor, we set about making the necessary changes for our test. 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. 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 Yes, we could accept the PCM from your '98 as the core. Orders placed on the weekend or after cutoff on Friday, and orders placed on select holidaysareprocessed on thenext business day. Chevrolet BB Gen 6 454-502, '96-'00 Camshafts at Competition Products! better yet have it tuned (Brian Bosch I believe is the man to talk to about . Performance. I straight wired it to test it and it will run. 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They left all the original parts in place like the two-barrel carburetor and dilapidated ignition system. 7.4 chevy engine in georgia boy pursuit motorhome. Since the cat removal shift points have been wonky. Solenoid resistance: 12.5 Ohms. For GM vehicles, the Vortec variant increased power by 60 horses. After installed Ultrapower GM/ Workhorse 1998 7.4l Vortec 454c. After the normally aspirated testing, we replaced the 750 Holley with a dedicated blow-through 850 Holley carburetor from Carb Solutions Unlimited (CSU) and installed the Vortech supercharger kit. If you don't mind a "dirty" PCM case then we can take care of an order for you. 1997 gmc 3500 cc dually. Yes, it definitely will. im wanting /needing power and torque. Your vehicle is not compatible. (454 used only MAP) 2. Topping the engine is a borrowed four-barrel Holley XP carburetor. In search of power, GM reverted to the big-block engine design, with a 454-cubic inch displacement. Only a set of dyno headers and an electric water pump were different. Cost would be $495. Will this correct my RPM gauge issue? We also took the liberty of installing a Race-Port blow-off valve from Turbo Smart. 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? Straight Port Cylinder Heads 6. 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. Check if this part fits . 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. If I send yall Parts list of what kind of cam, injectors, pistons, etc. what does this do at emission inspections?? We can even modify these Chevy 454 rebuild kits to your specifications, giving your vehicle exactly what it needs for maximum performance. 4.56 might be abit tall. I have a 2000 C3500 with the 454/L29 and auto trans. How much will the customization cost me? 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 state of California requires that this warning be posted for people purchasing products that reside in California. A few weeks ago I bought a very low milage 454 Gen. VI L29 Vortec engine with hydraulic roller. I plan on the injector and ignition work done in march. I list that this RV was originally equipped with a 4.63 rear gear ratio and a tire size of 225/70R19.5. We've had a lot of issues with 1996 & 1997 PCM's so for the moment we are not tuning those. Thinner oil drags less on internal engine parts, helping the engine to spin more freely and run more efficiently. I recently ordered an ecm for a 7.4 vortec and was very impressed. To further improve power, we also upgraded the stock hydraulic roller camshaft with an XM284HR from COMP Cams that offered .547 lift, a 230/236-degree duration split and 112-degree lsa. We'll send you the most interesting Street Muscle articles, news, car features, and videos every week. Using 3.5-inch aluminum tubing from CXRacing, we configured the intercooler between the YSI supercharger and the blow-through carburetor bonnet. I will be sending you my ECU. My question is that I have a 1998 7.4 parts truck. How to Get More Horsepower From a 360 dragster engine image by Robert Young from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media. If you want to take full advantage of the cam swap then a custom tune will be needed to address that. After configuring a discharge tube and adding some race fuel, we slowly supplied boost to the boneyard big block. This engine has two valves per cylinder and features multi-port fuel injection. Forget the typical race-motor build up, Boneyard Boost was all about force feeding some tired, high-mileage workhorse we purchased for the paltry sum of $500 ($250 on half price sale weekend!). The Vortec enhancements simply allowed GM to pass smog at a higher RPM. 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. Is it actually running at that RPM or just showing that? Will the UltraPower tune, give me the "best bang for my buck" performance increase? This is only 1 of the many changes that we make with our programming to achieve great power gains. Do you have any videos of how to locate and remove my ECM? What sets us apart from the others? It went through different upgrades over the years finally ending with the 454 Vortek which stopped production in 2001. my ecm has to be replaced. TQ with those modifications done. Following up from previous question, here is the VIN 1GDG6H1BXYJ907917 and #s off the ECM, 09384681, sev. Free Shipping over $199* Same Day Shipping before 7pm* Price Match Guarantee Free Shipping over $199* Same Day Shipping before 7pm* BBK Power Plus 80 millimeter Throttle Body for GM Vortech 305/350/454 for all BBK 1996-1999 GM Vortec 305, 350, 454 throttle bodies are designed to increase airflow and improve horsepower from between 7-12 HP depending on the vehicle and . vortechsuperchargers.com. The compression was plenty low for use with the blower, but the extra power it provided would eventually be multiplied by the boost. Check the make, year, and model of your car to see if the VIN number is available. merci. I have a 98 C-3500 dually with a Vortec 454. The same 290 horsepower that was standard for all GM cars in 1980 was maintained throughout the decade. Cost is $395 plus a $175 core charge which is refundable. is this unit ready for plug and play. We can do the tune now with the Banks kit taken into consideration for down the road. It is unlikely that the Vortec 454 accessories will clear the hood. Any "recalibration" would require sending your ECM to us for programming changes. We do not go further back than 1996 (OBD2) modules, sorry. 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 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 $. oh, by the way, this is a low mileage engine, single owner and I have taken excellent care of this truck. With the intercooler assembly in place, we once again ran the blown big block in anger with amazing results. Been reading the net the last few days on power upgrades for my truck after reading the "best year diesel" thread on here. Yes, you will still pass emissions as long as you don't tamper with the existing emissions systems. Howards, Hydraulic Roller Camshaft, Chev BB Gen 6 454-502, GM, Chev BB Billet Steel Hyd. Distributors cap and rotor kit features brass inserts and stainless steel rotor springs,designed to provide the best possible fit to ensure maximum conductivity between the distributor towers and spark plug wires,prevents arc through and crossfire. CAN YOU REALLY MAKE DECENT POWER WITH A SET OF PEANUT PORT BBC HEADS?. The P12 was only available for 1 or 2 years so there wasn't enough demand to continue producing products for it. Can you reprogram and net me the same HP & TQ numbers as the L29? 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. How much can you get them for? The Gray, the green with white strip and the black test grounded. 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. Seems like it's lacking power towing my boat. 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. Buy in monthly payments with Affirm on orders over $50. Would you be able to tune this on a new computer so I can keep the original? The engine receives cooler, more oxygen-dense air through a chilly air induction system. 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 think they were made before Chevy started using real tornados. For more information, visit www.P65Warnings.ca.gov, NOTICE: Fororders outside of United States. Heads, intake and headers would definitely wake it up. Thank you for any information you could give me. This is perfect for an otherwise stock engine as the gains are the best bang for the buck by far. Hello! The truck does not need to be emissions compliant. 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/. 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? 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). Can I tune it myself later with my own tuner or is it still a black box like the oem? Yes you are correct that there is torque management which "pulls" back power when taking off from a stop. Truth be told, Vortech offered a number of Maxflow Aftercooler systems but we selected an intercooler core we had on hand for testing. That being said, the threads on the net are pretty old. Alright Jay! what features will i gain with this new unit. The exhaust does not have CATS with dual to the muffler and single exit tailpipe. Precision Auto Injectors Set of 8 Genuine OEM 1996-2000 GMC Chevy 7.4L 454CID Vortec Rochester Fuel Injectors. I am doing a cam swap on a 98 GMC K3500 7.4 comp cams telks me i will need a custom tune according to cam specs this truck is primarily used for towing plan to use stock fuel injection if posdible any info would be greatly appreciated, I have a 1996 Chevrolet K3500 what is 7.4 454. Could you do a downstream 02 sensor delete? I have a 2000 3500 454. 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. HotCars covers all things automotive: the latest auto news and informative reviews on the car, pickup truck and motorcycle industries. Oct 25, 2004 Do you guys know anything about the L29 Vortec motor. If you had the proper tuning software, you could tune it yourself later. . It is a redesigned Chevrolet Big-Block engine and was introduced with the 2001 full-size pickup trucks. 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. Unfortunately this is not something that we offer. Sequential-Port Fuel Injection (454 only had 2 Throttle Body Injectors) 3. In an effort to further drop the inlet air temps, we installed a makeshift air-to-water intercooler. So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. The budget portion of the equation came from a 7.4L Gen VI big-block Chevy straight out of the local wrecking yard. You are using an out of date browser. Apr 9, 2008 #4 7 70SSman Veteran Member Aug 11, 2005 134 Amston, CT, USA 100$ with low miles. 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. Thinner oils allow the internal engine components to spin more freely and effectively, which improves their function. Thanks for any help. 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. We will set the tune up based on your modifications and requests. If so, is that the unit that sits above the radiator of a 2000 Itasca Suncruiser V32 w/ L29 7.4l (454ci) Vortec? The greater the power gains, the bigger the budget. Stage 1 Upgrade for Mercury 525 EFI. Install a high flow air filter and cold air induction intake. Cats have been removed as well as smog pump. Oil collects on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons), reducing horsepower through parasitic drag. $399.99. Just worth mentioning. Its amazing what some bolt-on parts can do! high flow intake elbow, filter and MAF Great motor and runs strong with gobs of TQ. The 1970 Chevrolet 454 was the most powerful with outputs of 360 and 450 horsepower from the LS5 and LS6, respectively. It gets you an EGR blockoff plate for the Vortec 4.3/305/350 engines. I'm saving up for the banks power pack system. The bill: $3,699.96 for all but the carb. The Chevrolet 454s of the 1970s were the most powerful, with the LS5 producing approximately 360 horsepower and the LS6 generating around 450 horsepower. Richard Rowe has been writing professionally since 2007, specializing in automotive topics. 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. It was bone stock 2x4 extended cab dually. Eric, we can program for EGR delete, cost would be $ 495.00 and would also include the performance tune . Make use of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. Gasoline engines do not require different settings for different conditions like a diesel engine does. We can easily do this with the specs you provide. $399.99. 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. 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. If they were cheap enough, sure. Dedicated to making your Chevy Truck bad***. Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasnt a big surprise. Headers exhaust. Would this work on 1996 7.4L L29? Is there any way I could send you that one as a core in return for one to work in my 2000? This camshaft provides more lift and longer duration using the 10-12 Manifold vacuum. Yes, we can tune your engine for more power, doesn't matter what type of transmission. Although Chevrolet does not explicitly recommend it, because a full synthetic is so slippery, you can use a lighter weight oil without risk of excessive engine wear. 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. The stock Vortec iron head will not tolerate more than .440-inch lift. Typical turn around is 3-4 days, sometimes quicker. JavaScript is disabled. 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. Im doing a full build on the motor Ive been told that these injections systems dont do well with these kind of upgrades. It is not 4x4. The stock injectors are fine for our performance tuning. "SE" Special Edition Tuning Kit For MerCruiser 454 & 502 Magnum MPI Engines. For a plain jane Sierra, not bad in my opinion. Also how much horse power and torque do these motors have stock? A restrictive or clogged air filter makes the engine work harder to breathe, which reduces efficiency. 1999 Crew cab dually, 454 vortec, AUTOMATIC. my old part number on ecm is 16263494 on 1999 454. They said they no longer support my RV and had no parts available. Now, that poses the question: what would you shoehorn this big-block Chevy into? Learn more. 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. 496 MAG Performance Parts Performance Applications Chevy / GM Trucks K&N fuel injection performance kit. performance, modifications, classifieds, troubleshooting, maintenance, and more! Also I dont have either downstream 02 sensors. We can send a pre-programmed ECU on core exchange. 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. 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! Mar 20, 2011 #4 M MyBoTy Veteran Member Feb 9, 2002 1,567 Lubbock, Texas USA How To Add 70 Percent More Power to A Chevy 454 V-8. The upgraded Vortec 7400 is a 7.4L V8 OHV 16V-volt FI engine. Naturally, the truck-based 454s. a good set of headers help to. We have a complete Banks Power System and Banks Air Flow. 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. Vise grip, needle-nose and standard pliers. The 4300 was GMs first Vortec-engine V6, released in 1986 and designed for trucks. I have a 1996 C3500 crew cab dually with a 7.4. I THINK I want a diesel until I look at the prices. O-rings: Top and bottom, 14.5 mm - Viton. K&N Performance Fuel Filters are built for high flow rates and capacity while they provide outstanding filtration. I just ordered an ECM for my 7.4 and was curious on if you guys did this tuning on the 5.7s? Injector type: US-CAR, saturated. Whats the stock numbers on a Vortec 454? Nothing I was finding really listed ACTUAL upgrades. I've installed hypertech power programmer, lower thermostat, gale banks torque tube headers and full exhaust, with hi-flow catalytic converters, shift-kit for tranny and larger external cooler. Makes NO permanent changes to your vehicle's computer! 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. Oil tends to collect on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons) and reducing horsepower through parasitic drag. The terms ECM, PCM, and VCM are all used to describe the engine computer by various manufacturers, yours is located above the radiator . Fuel pump doesn't run. I didnt see anything on the site but that doesnt mean I saw everything. 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. We can tune stock or modified, not a problem. Always a big complaint with 454 TBI trucks. Reading some of your responses I came across one with regards to a 1996. Technical Specifications: No filter cleaning required for up to 100,000 miles. The old, weak 240 HP 454 is every bit as. We are not able to assist in providing this PCM. The Vortec 8100 was built off of the GM 454 engine platform, also known as the 7.4 Vortec. 2023 Power Automedia. This thing is weak as water. Whether your power boat is running boost or naturally aspirated, we have the correct performance parts for your application. Free shipping for many products! no. Hot Rod And remember, thats all without touching the bottom end. The vin is for a 2004 gmc 1500 with a 5.3 vortec. We do not, however, have core PCM's for this engine so you would have to send your PCM in for the flash. I know they were installed in trucks from 96- 00?. Yes, we can do that. 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. What are your recommendations?? It was utilized in the Chevrolet Silverado, GMC Sierra, Chevrolet Suburban, and Chevrolet Express. 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. Do a 12 swap and be done. For this test, the motor was configured with an Edelbrock RPM Air Gap intake and Holley 750 carburetor. 7.4 Vortec Specs Chevy based the 7.4 Vortec off their 454 big block engine, hence the name 454 Vortec. We are currently out of clean/painted cases for the PCM's. With our tuning, peak horsepower is at about 3500 RPM and peak torque is about 2500 RPM. Do you offer anything for the 5.3? 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? Without going into the engine, they make a supercharger kit for it, I know whipple use to. Some parts are not legal for use in California or other . 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. Thanks. Thank you. My question is you claim 40-55 hp gain on the 7.4l , and all the other tuners on the internet only claim 20-25hp gain, will I really see 40-55hp gain with stock engine, exhaust, and air filter? For this one, I would want you to send your PCM into us to be done. Only a set of dyno headers and an electric water pump were different. 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. What is the difference between a Duramax 6.6-liter and a Chevrolet 7.4-liter engine? However, this engine was developed mostly for large towing ability for CAFE-exempt passenger cars, so there is still room for improvement. 800-417-4559 Jay, https://www.ultrarvproducts.com/UltraPower-GM-Workhorse-7.4L-(454)-Custom-Tuning. I have a vortec454 in a non smog az tow vehicle. We can also adjust your speedometer to be correct. Free shipping for many products! The ignition timing was dropped to 21 degrees and after adding a few jets to the carburetor, we were rewarded with some serious power. Gains with the modifications you have done would be around 45 HP/ 45 TQ. Buy your Innovative Performance Chip/Power Programmer at Amazon! And what is the final cost of your ECM. He could even be found working on tractors or hay bailers while on vacation at his uncles farm. If it does work what would do for pulling and climbing hills? Why a motorhome? 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. 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.
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