I am certain we can get more power and overall better drivability with our tuning versus your current setup. These modifications will improve net mileage without sacrificing power, resulting in better overall mpg. Cats have been removed as well as smog pump. What are your recommendations?? The 1993-or-so design FEAD has been shown the clear the factory hood. I recently ordered an ecm for a 7.4 vortec and was very impressed. I have a vortec454 in a non smog az tow vehicle. Do you folks know of cam upgrades along with tuning that would give power upgrades on a l21 with a manual transmission ? The 1970 Chevrolet 454 was the most powerful with outputs of 360 and 450 horsepower from the LS5 and LS6, respectively. Yes, we can tune your engine for more power, doesn't matter what type of transmission. Apr 14, 2016. Feb 1, 2016 #2 Jorge6.5 I'm Awesome Joined May 17, 2013 Messages 1,015 Reaction score Reading some of your responses I came across one with regards to a 1996. no. Also, is shipping included both ways? I would like the biggest bang for the $. 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. 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. We have a complete Banks Power System and Banks Air Flow. In the end, we selected a 1999 Gen VI 454 and pulled it from its home in the engine bay of a 1-ton work truck. Yes, we can resolve your issues. Straight Port Cylinder Heads 6. Mostly people saying to try this and try that. I would like to get the o2 delete. This engine has two valves per cylinder and features multi-port fuel injection. These modifications will help to generate more horsepower without adversely affecting fuel efficiency, which will ultimately increase net mileage. vortechsuperchargers.com. I'm saving up for the banks power pack system. We've had a lot of issues with 1996 & 1997 PCM's so for the moment we are not tuning those. 2019 Rodney W. Brazel Inc. - Ultra RV Products is a Division of Brazel's RV Performance, UltraPower GM / Workhorse 1998-2000 7.4L Vortec (454) Custom Tuning, within 24 hours from the order date. 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. Only tow rigs I have used to pull my Jeep with was this truck and my DD Driver 5.3 Tahoe. 4 Bolt Main GM Factory Vortec, Edelbrock's Performer Multi-Point EFI. Weve seen a few 1996-1997 PCMs with this issue. 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. We don't however specialize in forced induction applications so we would not be able to help you with that. A stock 12v ain't got **** on a BBC. Full Forum Listing. At times I get a dtc for bank 1 and 2 too rich. How To Add 70 Percent More Power to A Chevy 454 V-8. We appreciate it but we only specialize in the big block engines. Yes, you can pay the $100 up front core charge and be refunded when you send your original back to us. If I order a ecm reprogram will this fix my speedometer error too?? Yes you are correct that there is torque management which "pulls" back power when taking off from a stop. 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. The General Motors 7400 is the name given to a 7.4-liter Vortec engine produced by GM from 1996 until 2001 as a truck engine. Very interested in this. He could even be found working on tractors or hay bailers while on vacation at his uncles farm. Yes that would be fine, you would just need to call in to our service department and schedule a date :). Only a set of dyno headers and an electric water pump were different. . Jump to Latest Follow . With the baby stock cam they made 290hp and 415 ft lbs of torque. We can also take care of the TQ management for you. 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. 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. I use the truck for towing and it is quite weak, If this ecm has to be reprogrammed in the future do I go to GM Dealer or have to send back to you?? But like any stock engine, there was tons of power left to be squeezed out. I tow a large fifth wheel trailer with RPMs between 1800 to 2500 typically. Oct 25, 2004 Do you guys know anything about the L29 Vortec motor. 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. Reference core exchange, what is the time limit for you to receive the exchange? This modification won't be cheap or easy to install, but will eventually pay for itself if you do a lot of towing or drive a lot of miles. We are not able to assist in providing this PCM. 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. This left us with Mark 4, Gen V and Gen VI big blocks to choose from, any of which would work for this project. I have a 98 C-3500 dually with a Vortec 454. Yes, we could accept the PCM from your '98 as the core. I have a 2000 3500 454. It is bone stock except for tow mirrors and Kodiak door handles on all 4. The guys over at Hot Rod magazine wanted to prove its possible to make big horsepower from a Chevrolet big-block V-8 lifted from a junk1986 motorhome. Im also trying to get more out of this engine without tearing into it so I was just hoping this fixed my gauge as well. Is it not the same motor from 96 to 2001. Yes, it definitely will. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. All fuel injector specifications meet or exceed the manufacturer's specification standard. I think they were made before Chevy started using real tornados. 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. If you don't mind a "dirty" PCM case then we can take care of an order for you. We have no issues with tuning a higher mileage engine as long as it is in good running condition. 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. My goal is to improve torque and trans efficiency then MPG. 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). The most important changes that are made have to do with spark advance, fueling, transmission shifting and torque management settings. Thinner oil drags less on internal engine parts, helping the engine to spin more freely and run more efficiently. 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. We would reprogram yours and put it in a new case so it looks nice! cam with matching torque converter and headers would be easy. It gets you an EGR blockoff plate for the Vortec 4.3/305/350 engines. Short tube headers won't do anything for you but long tube headers would he beneficial. Thinner oils allow the internal engine components to spin more freely and effectively, which improves their function. Solenoid resistance: 12.5 Ohms. Check for Availability: $349.95. Since the cat removal shift points have been wonky. We immediately checked the latest 8.1L off the list due to lack of availability and parts cross over. This is a lie. 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!). GAS MILEAGE. This engine series was utilized on Chevrolet and GMC large truck models such as the Suburban from 1996 through 2001. The old camshaft came out, too, with a meatier hydraulic bump stick with 0.600 inches of lift taking its place. Makes NO permanent changes to your vehicle's computer! The bill: $3,699.96 for all but the carb. 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. If i buy a tune do i need to send my ECU 1st or can you send me one then when i get the ECU from you send mine back to get my 100 back? Yessir! Primary or Expansion Gauges And Upgrade Kits (52mm) For 2008+ OBDII CAN bus vehicles, Upgrading SIx-Gun, Economind, and SpeedBrake, or use with BBus Sensor Modules. We modify this so that it is still "safe" but definitely wakes the truck up. I borrowed a friends TBI 454 dually to pull my blazer one time and it impressed the **** outta me. The Muscle Automobile Period had come and gone before the 7400 series debuted. This ignition system upgrade will allow you to set your distributor for a little more timing advance. I'm interested in the available upgrades for the vortec 454. All above engines equipped wit Hydraulic Roller Lifters. I think I am going to swap on a good set of aftermarket heads and change out to an Edelbrock Pro Flo EFI. We measured our stock iron heads right out of the box and the retainer-to-seal clearance was only .470-inch. For GM vehicles, the Vortec variant increased power by 60 horses. This is perfect for an otherwise stock engine as the gains are the best bang for the buck by far. Im doing a full build on the motor Ive been told that these injections systems dont do well with these kind of upgrades. Also how much benefit do you think I would gain by going aftermarket catback exhaust. Overall Length: 3 inches, 74 mm. Dodge RAM 3.0 Ecodiesel Performance Upgrades Guide, Best Ford 6.7 Powerstroke DPF Delete Kit Upgrade. 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! Power & Performance News is the source for news, tech and products that help you get more performance from your vehicle. 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.
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