Here is info from COMP Cams. We set it for the best performance in all conditions, it is not user adjustable. 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. You can source the 454 HO directly from Chevrolet. I'm saving up for the banks power pack system. We gain on average 45-50 horsepower and 50 ft. lb. Not sure if you have any other issues causing low power though because it should outperform the 5.7L, especially towing. Need advice: 454 VI L29 Build | Hot Rod Forum I am considering your tune for my motorhome. How much can you get them for? Roller Lifters 5. Even stock we see impressive gains but even more so with the Banks PowerPack installed. 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. Just make sure to include that information in the order comments and we can make that happen for you :). Howards, Hydraulic Roller Camshaft, Chev BB Gen 6 454-502, GM, Chev BB Billet Steel Hyd. Thanks. I have a 2000 OBS Chevy quad cab with a 454 Vortec. 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). Step 2 Install a high flow air filter and cold air induction intake. I dont have the 2000 VIN only the VIN from my 1995. And what is the final cost of your ECM. I've always heard that they were a good upgrade to the TBI 454 and earlier 454 heads. I have a 2000 3500 454. Can you guys tune that ecm? Just wondering because Id buy one of those as well. Yes we modify the shift patterns to hold the upper gears longer, your shift kit would not interfere or cause issues. My question is what cam you would recommend for towing? I sprayed starter fluid in the tbi and it fired up for a few second. I have a 1996 C3500 crew cab dually with a 7.4. What sets us apart from the others? Vehicle Monitoring and data-logging like no other! How To Add 70 Percent More Power to A Chevy 454 V-8. Thank you. I replaced the relay to no avail. 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! 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). Performance. 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. You claim 40-55hp gains is that something that I will notice drastically or is it more of a subtle power increase? 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. Install an aftermarket windage tray in your engine. The UltraPower ECM performs very well on both stock engines and ones that have been upgraded with other modifications. Yes, you can pay the $100 up front core charge and be refunded when you send your original back to us. 1999 Crew cab dually, 454 vortec, AUTOMATIC. Hello! Thank you for any information you could give me. In 2001, production of the 7400 line was discontinued. Explore Our Forums. The batteries are fully charged and there is 12 volts to the distributor. The stock Vortec iron head will not tolerate more than .440-inch lift. Warmed up at idle the gauge is reading 1200RPM then put it into drive holding the brake and its reading about 1000RPM. Dec 18, 2007 . Hot Rod decided to bolt up some typical speed parts. You can definitely hold on to your PCM, that is not an issue. Chevy Performance BBC L29 Vortec Cast Iron Cylinder Head - JEGS BBK Performance Parts 1710-XC GM VORTEC 305/350/454 80MM POWER PLUS Engineered specifically compatible with General Motors Vortec V8 engines,specifically compatible with General Motors Vortec V8 engines,Offering the quality,reliability,durability. The valve train is OHV with two valves per cylinder and multi-port fuel injection for fuel induction. TQ with those modifications done. 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. 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. The Muscle Automobile Period had come and gone before the 7400 series debuted. 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 just ordered an ECM for my 7.4 and was curious on if you guys did this tuning on the 5.7s? 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. Reading some of your responses I came across one with regards to a 1996. performance, modifications, classifieds, troubleshooting, maintenance, and more! Wiring is the same. The engine displacement in liters is 7400, which is readily changed to 7.4 liters. 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. I'm sorry, we can't tune anything prior to 1996 model year. 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. Its 567 horsepower of usable, reliable, fun power that anybody on a budget can build. It can be done fairly cheap , power for days and 15-20mpg, I repeat. Buy your Big Autoparts Ignition Distributor Set DR474 DR331 at Amazon! . Chevy 454 Engine Guide - 7.4L V8 Specs, Problems, Performance With the baby stock cam they made 290hp and 415 ft lbs of torque. Cost would be $495. 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! I own a 1998 Safari Trek 2830 P32 chassis with an L29 28'7" Class A RV Drivetrain it s completely OEM.. Use a set of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. We have no issues with tuning a higher mileage engine as long as it is in good running condition. 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. I have a 1998 Winnebago Brave on a p30 chassis with the 7.4 with a Banks Power Pack. For GM vehicles, the Vortec variant increased power by 60 horses. The Vortec 8100 (RPO L18) is a V8 truck engine. And performance tune? 98 Single Rear Wheel 3500 7.4 Vortec. If not can a non uhaul ecm be used (ie plugged into the current harness)? It specs out at 265 HP@4500 RPM and 340 ft/lbs of torque@3500 RPM. You might be able to run an L29 cam, but you will need to consult an engine builder. I've made several performance upgrades myself, but are always looking for something better. 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. Most generic tuners only change very basic parameters within the computer, whereas UltraPower Tuning changes approximately 400 parameters including both engine AND transmission settings. Once the order is placed and you have paid for a core, we will program a PCM here and ship it with a return shipping label for your core. Another popular upgrade is changing to Bosch 4 hole injectors. Short tube headers won't do anything for you but long tube headers would he beneficial. Buy your Innovative Performance Chip/Power Programmer at Amazon! The heads, pistons, and intake are stock. My next upgrade is going to be exhaust. Feel free to call me with your vin # handy if you would like to get your order in. 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. When you buy a single component or a complete kit, like a camshaft, you must ensure that it is suitable for your car. 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 have a 1999 Fleetwood Flair with a 7.4 Workhorse. Richard Rowe has been writing professionally since 2007, specializing in automotive topics. 1014127996-upoval..CLOSED.."Vortec 7400", 100cc chambers With the shut downs due to the virus, our normal service company that does that for us is closed. Injector type: US-CAR, saturated. Only a set of dyno headers and an electric water pump were different. Chevy 8.1 Vortec Ultimate Engine Guide - Specs, Performance, Problems Fortec4x4 Jeep Customizing - FORTEC4x4 . Is it actually running at that RPM or just showing that? Recommended 454 TBI modifications | TBI - harristuning.com Vortec Big block performance upgrades. - GMT400 We require the VIN so that we can pull up your vehicle's specific parameters and create a truly customized tune for your vehicle. The 1970 Chevrolet 454 was the most powerful with outputs of 360 and 450 horsepower from the LS5 and LS6, respectively. When it shows 55 MPH your actually going about 57 to 58 MPH. Free shipping. CHEVROLET 7.4L/454 Parts and Accessories - Summit Racing Equipment 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. The only way to know for certain would be to pull the ECM and send to us so we can read it out and check. They have a high strength carbon steel housing and a high performance rolled seam that exceeds OEM pressure requirements. I have had a hard time finding much of anything for these engines. Eric, we can program for EGR delete, cost would be $ 495.00 and would also include the performance tune . It is $495 if your sending your core/pcm in first. I have been watching lots of posts and things get carried away very quickly about getting big big hp. 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. Alright Jay! We are not able to assist in providing this PCM. We are currently out of clean/painted cases for the PCM's. what features will i gain with this new unit. Banks iDash: SuperGauge & DataMonster. I list that this RV was originally equipped with a 4.63 rear gear ratio and a tire size of 225/70R19.5. Buy your Chevrolet Performance 454 crate engine from JEGS High Performance today! a good set of headers help to. 1 cat is gone already and the other is gutted i am taking it off next week when i get a chance. Weve seen a few 1996-1997 PCMs with this issue. I've noticed a significant performance uptick, but it seems to fall flat in the upper mid-range, almost seems like it could use a MSD multi spark discharge, I don't know, but I'm considering having a dyno test to see what is happening. Originally Posted by PonyKiller87 Ok, sounds just like swapping over the 96-00 vortec 350 to the 0411 as far as the wiring goes. Yes that would be fine, you would just need to call in to our service department and schedule a date :). 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. Orders placed on the weekend or after cutoff on Friday, and orders placed on select holidaysareprocessed on thenext business day. Feb 1, 2016 #2 Jorge6.5 I'm Awesome Joined May 17, 2013 Messages 1,015 Reaction score 800-417-4559 Jay, https://www.ultrarvproducts.com/UltraPower-GM-Workhorse-7.4L-(454)-Custom-Tuning. 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. Or if I pay to send in, is the return shipping included in the $495? We have been doing them on a limited basis, it has been very challenging to find good cores to use. BBK Performance Parts 1710-XC GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD. It is a redesigned Chevrolet Big-Block engine and was introduced with the 2001 full-size pickup trucks. BBK 1710 80mm Throttle Body - High Flow Power Plus Series GM Vortec 305 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. The Official Vortec 454 Info thread - GMT400 I am doing a full engine swap from a damaged motorhome to my older motorhome. Boost your horsepower, torque, throttle response and fuel economy with the advanced Innovative Performance Chip compatible with your Chevrolet Silverado 1500! We are currently waiting on more ECM's to come in to be able to provide them on exchange. The greater the power gains, the bigger the budget. It is unlikely that the Vortec 454 accessories will clear the hood. If I send in a functional pcm for my Suburban mentioned in last question whats the average turn around for it? The state of California requires that this warning be posted for people purchasing products that reside in California. Gains will be on par with what we achieve with the RV's so it will very well suited for towing. 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. For a better experience, please enable JavaScript in your browser before proceeding. The Chevrolet 454s of the 1970s were the most powerful, with the LS5 producing approximately 360 horsepower and the LS6 generating around 450 horsepower. So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. No videos but your ECM is fairly easy to identify and replace. I am ready to pull the trigger if I continue to run 87 octane fuel. It may or may not have a decal on the ECM depending on if they did a mail order tune or came in to our shop. I do still have all the O2 sensors but would like to delete them if possible. There is a small red wire that has never been connected to anything. 16238212. If you send your ECM in, we can make the necessary adjustments you are requesting. Pace Performance Products in Ohio put together a decent upgrade. He could even be found working on tractors or hay bailers while on vacation at his uncles farm. I have a 2000 gmc k2500 with the l29 454. Thinner oil drags less on internal engine parts, helping the engine to spin more freely and run more efficiently. Do you offer anything for the 5.3? This camshaft provides more lift and longer duration using the 10-12 Manifold vacuum. Since the cat removal shift points have been wonky. 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. Thank you. Even so, this engine was built primarily to provide huge towing power for CAFE-standard exempt vehicles, so there remains some room for improvement. GMC 7.4L/454 JET Performance Parts and Accessories 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. Switch to a lightweight synthetic oil. Fuel pump doesn't run. We've had a lot of issues with 1996 & 1997 PCM's so for the moment we are not tuning those. Whats the stock numbers on a Vortec 454? K&N Performance Fuel Filters are built for high flow rates and capacity while they provide outstanding filtration. Hot Rod And remember, thats all without touching the bottom end. The vin is for a 2004 gmc 1500 with a 5.3 vortec. 2. 1999 vortec 454 7.4 - HPTuners A cold air induction setup will feed the engine cooler and more oxygen-dense air. 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? If they were cheap enough, sure. Whether your power boat is running boost or naturally aspirated, we have the correct performance parts for your application. Really? Gasoline engines do not require different settings for different conditions like a diesel engine does. We can tune stock or modified, not a problem. 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 Vortec enhancements simply allowed GM to pass smog at a higher RPM. As I understand it I do not have the newer 0411 ECM and these have better processing power but need to be repinned. GM 7.4 Vortec Ultimate Engine Guide - Specs, Problems, Performance Bosch p/n: 0280155884. Chevrolet 7.4 Vortec was a modern-day improvement of the firms most legendary big block. Headers suggested. 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. How to Make Power with a Chevy TBI V-8 - MotorTrend It was utilized in both performance automobiles and trucks, as well as maritime and industrial applications in various combinations. Stage 1 Upgrade for Mercury 525 EFI. Mfg Performance Parts www.straubtechnologies.com www.distributorgears.com Also I dont have either downstream 02 sensors. That said, the main internal differences between the L29 and L21 is that the L21 has forged pistons and crankshaft. If product is incorrect for the provided VIN we will contact you to revise order. GAS MILEAGE. Thousands of satisfied customers have reported fuel economy increases as well as less transmission downshifting because of the increased horsepower and torque. 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. They said they no longer support my RV and had no parts available. Yes, we can do that. It will be plug and play. Programmers. The same 290 horsepower that was standard for all GM cars in 1980 was maintained throughout the decade. Check for Availability: $349.95. Also the torque management. I want to install a cam while you have the ECU. Will the UltraPower tune, give me the "best bang for my buck" performance increase? I fought this truck with the cats deleted and air pump disabled. K&N fuel injection performance kit. We immediately checked the latest 8.1L off the list due to lack of availability and parts cross over. Cats have been removed as well as smog pump. So I have a 98 K3500 with the 7.4L and I use it mainly for hauling, but I have began to daily it. We appreciate it but we only specialize in the big block engines. Oil tends to collect on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons) and reducing horsepower through parasitic drag. My question is that I have a 1998 7.4 parts truck. Find many great new & used options and get the best deals for BBK Performance Parts 1710-XC GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD at the best online prices at eBay! For more information, visit www.P65Warnings.ca.gov, NOTICE: Fororders outside of United States. With our tuning, peak horsepower is at about 3500 RPM and peak torque is about 2500 RPM. 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. Rowe studied engineering, philosophy and American literature at Central Florida Community College. HOW TO UPGRADE YOUR TBI PEANUT PORT 454 - YouTube 7.4 chevy engine in georgia boy pursuit motorhome. A stock 12v ain't got **** on a BBC. Right now I have a CAI, 2" full length headers, 3" dual exhaust and EGR delete. During its five years on the market, the 7400 was employed in 26-foot U-Haul trucks for commercial purposes. My car is GMC pick-up 7.4L 1998. it is manual transmission. 454 MK VI (vortec) | NastyZ28.com We only specialize in the big block engines. Of course, the guys wanted to see what the old iron block had in her, so they ran a baseline test. I'm is Arizona and I'm planning a trip this month after Bonneville, to Aberdeen, home town, and Centralia, still have relatives there. Obviously different, but I still think the 454 has more to offer. 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. "SE" Special Edition Tuning Kit For MerCruiser 454 & 502 Magnum MPI Engines. Yes, we could accept the PCM from your '98 as the core. Would the retuned ECM provide any performance gains above what are present now? Topping the engine is a borrowed four-barrel Holley XP carburetor. HotCars covers all things automotive: the latest auto news and informative reviews on the car, pickup truck and motorcycle industries. 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.
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