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The old, weak 240 HP 454 is every bit as. I am ready to pull the trigger if I continue to run 87 octane fuel. Most generic tuners only change very basic parameters within the computer, whereas UltraPower Tuning changes approximately 400 parameters including both engine AND transmission settings. 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 ?? It won't hurt anything to run like that. It was bone stock 2x4 extended cab dually. Some differences are: 1. Engine is in stock configuration with no upgrades. Since the cat removal shift points have been wonky. Been reading the net the last few days on power upgrades for my truck after reading the "best year diesel" thread on here. 1997 gmc 3500 cc dually. Does this upgrade have a negative or positive impact on engine life? If you want to send your PCM in that you know is functional, that is the best way to do it. Also how much benefit do you think I would gain by going aftermarket catback exhaust. Et si je devrai faire recalibrer mon ecm? Probably cause no cats. To find out just how much the 30-year-old behemoth could muster, they took it to Westech Performances dyno room. Always a big complaint with 454 TBI trucks. Do you have identifying marks on the ECU? They seem to be similar to those used in your RV work. I'm sorry, we can't tune anything prior to 1996 model year. This upgrade will not only improve overall top end power but it also . Can you tune my new 2000 ECM and will it work without the original key and ignition harness. a good set of headers help to. 90 and older is particularly bad and that is largely due to NO OVERDRIVE. We can tune it if you can build it :). 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. Do you still tune the 96 ecm? Is it possible to get the newer 0411 with your tune for my truck. Gasoline engines do not require different settings for different conditions like a diesel engine does. Thanks. The UltraPower ECM performs very well on both stock engines and ones that have been upgraded with other modifications. Yes, you will still pass emissions as long as you don't tamper with the existing emissions systems. Im interested to know if you change the shift points or anything like that cause I have a shift kit in the transmission already. My car is GMC pick-up 7.4L 1998. it is manual transmission. Yes you are correct that there is torque management which "pulls" back power when taking off from a stop. All fuel injector specifications meet or exceed the manufacturer's specification standard. 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. 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. From my experience, the HyperTech programmer for those engines is pretty generic and does not make very many changes in the programming. I tow a large fifth wheel trailer with RPMs between 1800 to 2500 typically. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. Nothing I was finding really listed ACTUAL upgrades. At times I get a dtc for bank 1 and 2 too rich. Apr 10, 2008 #5 M MyBoTy Veteran Member It was utilized in the Chevrolet Silverado, GMC Sierra, Chevrolet Suburban, and Chevrolet Express. my old part number on ecm is 16263494 on 1999 454. They left all the original parts in place like the two-barrel carburetor and dilapidated ignition system. As you can tell, it doesn't deliver much. Banks iDash: SuperGauge & DataMonster. HotCars covers all things automotive: the latest auto news and informative reviews on the car, pickup truck and motorcycle industries. $119.95. 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 have the parts list and see one item called 01-412-8 hyd roller cam for $315. 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 . Is it not the same motor from 96 to 2001. vortechsuperchargers.com. 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. Step 2 Install a high flow air filter and cold air induction intake. This thing is weak as water. You are using an out of date browser. 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. Can i tell if my RV has this already? Mark McNabb was a contributor at TopSpeed from 2013 to 2018. 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. The results: 567 horsepower and 537 pound-feet of torque on 89-octane pump gas! 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. 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 The tune will definitely wake the truck up. If you can supply me with your VIN and any part #'s that are on the ECM I can do some research. 496 MAG Performance Parts Performance Applications Chevy / GM Trucks If you want to take full advantage of the cam swap then a custom tune will be needed to address that. 800-417-4559 Jay, https://www.ultrarvproducts.com/UltraPower-GM-Workhorse-7.4L-(454)-Custom-Tuning. Very interested in this. I list that this RV was originally equipped with a 4.63 rear gear ratio and a tire size of 225/70R19.5. 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 like my shift points where they are. Yes, we can tune your ECM. After configuring a discharge tube and adding some race fuel, we slowly supplied boost to the boneyard big block. Both Vortec 7400 heads (the '98-'01 12560241 and the '96-'01 10141279) have about 100cc chambers. Thank you for any information you could give me. oh, by the way, this is a low mileage engine, single owner and I have taken excellent care of this truck. I'm is Arizona and I'm planning a trip this month after Bonneville, to Aberdeen, home town, and Centralia, still have relatives there. Are there any gains to be had by programing and adding headers to my truck? It will be plug and play. Would the retuned ECM provide any performance gains above what are present now? Short tube headers won't do anything for you but long tube headers would he beneficial. Yes our tuning does work for trucks as well. 7.3 is 250-275/505-525 stock. When you buy a single component or a complete kit, like a camshaft, you must ensure that it is suitable for your car. Switched to Mass-Air Flow. 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. Roller Cam, .483 Lift . We removed the factory EFI injection, and replaced it with simple carburetion. 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. 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. With our tuning, peak horsepower is at about 3500 RPM and peak torque is about 2500 RPM. Please see our shipping terms for more information. 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. We would just need to know the tire size you are running and if the rear gear ratio was ever changed from factory. Does this computer hav egr delete programmed into it. These modifications will help to generate more horsepower without adversely affecting fuel efficiency, which will ultimately increase net mileage. 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. The issue with your tachometer would only be fixed if there is an actual issue with your PCM. Rowe studied engineering, philosophy and American literature at Central Florida Community College. BBK Performance Parts 1710-XC GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD. Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. Yes, we can resolve your issues. The great thing about using a blow-though carburetor combination is the intercooling effect you get from the introduction of fuel. A restrictive or clogged air filter makes the engine work harder to breathe, which reduces efficiency. I'm interested in the available upgrades for the vortec 454. 454 L29 Power Upgrade. Apr 14, 2016. Feb 1, 2016 #2 Jorge6.5 I'm Awesome Joined May 17, 2013 Messages 1,015 Reaction score . With the baby stock cam they made 290hp and 415 ft lbs of torque. Thank you. Performance. 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!). We only specialize in the big block engines. 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. 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. Is this enough information to create a tune or will you need more information? And performance tune? I didnt see anything on the site but that doesnt mean I saw everything. "SE" Special Edition Tuning Kit For MerCruiser 454 & 502 Magnum MPI Engines. Prices increase after 2/28. 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.