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! This is perfect for an otherwise stock engine as the gains are the best bang for the buck by far. All fuel injector specifications meet or exceed the manufacturer's specification standard. 4.56 might be abit tall. Rowe studied engineering, philosophy and American literature at Central Florida Community College. Oil tends to collect on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons) and reducing horsepower through parasitic drag. Growing up, Mark always had a mind for tinkering on random items throughout his home and dads garage, including a 1953 Ford Mainline and 1971 Corvette Stingray. Prices increase after 2/28. Buy your K&N PF-1000 Fuel Filter at Amazon! A cold air induction setup will feed the engine cooler and more oxygen-dense air. This camshaft provides more lift and longer duration using the 10-12 Manifold vacuum. I've made several performance upgrades myself, but are always looking for something better. I'm saving up for the banks power pack system. We can tune stock or modified, not a problem. So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. Just wondering because Id buy one of those as well. As I understand it I do not have the newer 0411 ECM and these have better processing power but need to be repinned. 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? At the relay the Orange wire is hot with 12 volts continually. Is it possible to get the newer 0411 with your tune for my truck. Is this doable? Just worth mentioning. PART NO. Performance. Cats have been removed as well as smog pump. The tire are one size larger than stock to the speedometer is off a little. performance, modifications, classifieds, troubleshooting, maintenance, and more! is this unit ready for plug and play. How much can you get them for? 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. These modifications will help to generate more horsepower without adversely affecting fuel efficiency, which will ultimately increase net mileage. If so, is that the unit that sits above the radiator of a 2000 Itasca Suncruiser V32 w/ L29 7.4l (454ci) Vortec? Marks spare time was heavily consumed by reading automotive magazines and wondering how in the heck people could land a job testing cars all day. If product is incorrect for the provided VIN we will contact you to revise order. This ignition system upgrade will allow you to set your distributor for a little more timing advance. . $399.99. I am certain we can get more power and overall better drivability with our tuning versus your current setup. Is it possible to upgrade the ECM on my 1994 Fleetwood Southwind Storm 454 TBI w/4L80E trans? 4 Bolt Main GM Factory Vortec, Edelbrock's Performer Multi-Point EFI. The issue with your tachometer would only be fixed if there is an actual issue with your PCM. Engineered specifically compatible with General Motors Vortec V8 engines,specifically compatible with General Motors Vortec V8 engines,Offering the quality,reliability,durability. Using 3.5-inch aluminum tubing from CXRacing, we configured the intercooler between the YSI supercharger and the blow-through carburetor bonnet. Yes you are correct that there is torque management which "pulls" back power when taking off from a stop. It can be done fairly cheap , power for days and 15-20mpg, I repeat. Obviously different, but I still think the 454 has more to offer. You can definitely hold on to your PCM, that is not an issue. But like any stock engine, there was tons of power left to be squeezed out. Jump to Latest Follow . Switch to a lightweight synthetic oil. Thinner oil drags less on internal engine parts, helping the engine to spin more freely and run more efficiently. Install an aftermarket windage tray in your engine. Alright Jay! I called Banks Power last week to try and find out what they recommend. Is there any way I could send you that one as a core in return for one to work in my 2000? Please see our shipping terms for more information. It will not void your factory warranty, and does not modify any emissions systems. 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. Will the UltraPower tune, give me the "best bang for my buck" performance increase? Best, least expensive way to get more power out of this engine is with our custom tune. Aftermarket hood are hit and miss, we did find that the integrated airbox arrangement of the Suncoast hood played havoc with clearances that were confirmed to fit within the factory underhood bracing. Would the retuned ECM provide any performance gains above what are present now? Return shipping is included , you are responsible for shipping to us , however if you choose the "core charge" and order the ECM , we can provide a return shipping label for your core and deduct from the core refund. This is a stock style setup, featuring a 4.000" stroke and bore sizes ranging from 4.250" (standard) to 4.375". 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? We have been doing them on a limited basis, it has been very challenging to find good cores to use. 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 The tuning alone will be the single biggest change you can make to improve power and throttle response. 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. 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. 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. 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). No videos but your ECM is fairly easy to identify and replace. I know they were installed in trucks from 96- 00?. We can accommodate your requests for the oxygen sensors, speedometer adjustment and increased HP/TQ. We are unaware of any cam upgrades specifically for the L21. Any thoughts from you technical guys? If you would like to place your order feel free to give me a call at 800-417-4559. It is not 4x4. Cost would be $495. For GM vehicles, the Vortec variant increased power by 60 horses. 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. youll have to stick to a torque cam because of the computor needs vacuum (speed density) headers will help greatly. 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. After configuring a discharge tube and adding some race fuel, we slowly supplied boost to the boneyard big block. While we do get reports back of fuel economy gains, that is something we can not guarantee as there are just too many variables that can affect an RV's fuel economy. The 454 Vortec is the last in a line of one of the most successful classic engines in GM history. $360.56. If not can a non uhaul ecm be used (ie plugged into the current harness)? BBK Performance Parts 1710-XD GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD. 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. Without going into the engine, they make a supercharger kit for it, I know whipple use to. Change to a synthetic oil that is light-weight. The stock Vortec iron head will not tolerate more than .440-inch lift. I have a 2000 C3500 with the 454/L29 and auto trans. Apr 14, 2016. I have a 2000 3500 454. 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. Solenoid resistance: 12.5 Ohms. A/T Flywheel, Hedman TEMS headers, and all the other good stuff that goes with a long block. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. 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). My car is GMC pick-up 7.4L 1998. it is manual transmission. 7.4 Vortec Vehicles Applications The Vortec 7400 had two variants, the L29 and L21, and they appeared in the following vehicles: We gain on average 45-50 horsepower and 50 ft. lb. CHEVROLET 7.4L/454 - Free Shipping on Orders Over $99 at Summit Racing Departments Restoration Stock Replacement Street Rod Shop Departments Air & Fuel Delivery Books/Videos/Software Brake Systems Chassis & Suspension Cooling & Heating Engines & Components Exhaust Exterior & Accessories Fasteners & Hardware Fittings & Hoses Gaskets & Seals The old, weak 240 HP 454 is every bit as. 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? Howards, Hydraulic Roller Camshaft, Chev BB Gen 6 454-502, GM, Chev BB Billet Steel Hyd. 7.3 is 250-275/505-525 stock. You can either pay $100 for the core and then be refunded when we receive back yours or you can send in your ECM for reprogram. Engine is in stock configuration with no upgrades. Elgin Industries set of (16) Hydraulic Roller Valve Lifters compatible replacements for Big Block Chevy GMC & Pontiac engines. and will it improve my over all power? O-rings: Top and bottom, 14.5 mm - Viton. 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. I have the parts list and see one item called 01-412-8 hyd roller cam for $315. Thank you. If it is a 1998 then yes you can. We can do the tune now with the Banks kit taken into consideration for down the road. 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. This mod will not be inexpensive or simple to execute, but it will pay for itself if you do a lot of towing or drive a lot of miles. 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!). . When taken together, this fairly inexpensive approach can be good for noticeable gains in fuel economy. 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. 5. If you can find this PCM in a salvage yard or from a different type of vehicle that uses the same, we can likely program it to your vehicle for you. Only a set of dyno headers and an electric water pump were different. I have a 2000 OBS Chevy quad cab with a 454 Vortec. We have no issues with tuning a higher mileage engine as long as it is in good running condition. I installed a K&N replacement are filter in the stock air box. Is the pcm that is used a 411? torque so it will definitely be able to hold the upper gears better when hill climbing and have improved acceleration. Vortech supplied a pulley combination that included an 80-tooth crank pulley and 32-tooth blower pulley which provided a drive ratio of 2.5:1. That just won't do. It was the same size as the outgoing 7.4 L V8, but got a boost in power and more towing capacity. We CAN tune the engine computer with our UltraPower tuning to get more performance but we MUST have you send your PCM in to us for programming as it has a unique PCM that we don't have cores for. Yes, we can tune your ECM. 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. Thinner oils allow the internal engine components to spin more freely and effectively, which improves their function. Safely gain up to +35 HP and up to +5 MPG in fuel mileage in your vehicle by safely optimizing your air/fuel ratio and timing curve for increased efficiency! Sorry I dont have the VIN, the truck is not local, I have a 1998 2500 7.4 Vortec GMC Suburban. He eventually figured it out. It is bone stock except for tow mirrors and Kodiak door handles on all 4. The 7400 was essentially the same big block 454 that powered Chevy through the muscle car years, but with improved cylinder heads and a hydraulic roller camshaft, it was far more efficient than the old LS6 could ever hope to be. We can also take care of the TQ management for you. They seem to be similar to those used in your RV work. Other #s not sure what they are if theyre useful, 86DAFMM0017433PS, HDW # 16239740. 1999 Crew cab dually, 454 vortec, AUTOMATIC. We are running about 2-3 days on turnaround right now. All other modifications are going to be expensive, labor intensive and still not necessarily yield the same results. Oxygen sensor modifications can be done. Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasnt a big surprise. I'm sorry, we can't tune anything prior to 1996 model year. I have a 98 C-3500 dually with a Vortec 454. 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. What are your recommendations?? The cooler charge air (plus tubing length and bends) dropped the peak boost pressure from 19.1 psi down to 17.7 psi. 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. 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 filled out a form and sent to COMP Cams to see what they recommend and sent an e-mail to Blackbear to see what cams they had experience with since I will need to PCM tune redone. Make use of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. Seems like it's lacking power towing my boat. . We have a complete Banks Power System and Banks Air Flow. Is there a way you could tune that out completely or as much out as you possibly can? do you think I could get more power with your ecm re-program? I bought this truck brand new. Can you tune my new 2000 ECM and will it work without the original key and ignition harness. The engine receives cooler, more oxygen-dense air through a chilly air induction system. 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 Mostly people saying to try this and try that. Also I have Thorley tri Y hearers on mine will that effect the tune? 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. The state of California requires that this warning be posted for people purchasing products that reside in California. Also I dont have either downstream 02 sensors. 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. Check for Availability: $349.95. Windage trays are thin, sheet metal plates that bolt to the bottom of the main caps and act as a barrier between the oil in the pan and the crankshaft counterweights. I sprayed starter fluid in the tbi and it fired up for a few second. The 7400 was essentially the same big block 454 that carried Chevy through the muscle car years, but a hydraulic roller camshaft and revised cylinder heads helped to make it far more efficient than the old LS6 could ever dream of being. Install a high flow air filter and cold air induction intake. I would think that u-haul did not use their own ECM. 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. Is it actually running at that RPM or just showing that? Our typical turn around time is 2-3 business days. im wanting /needing power and torque. can you tune it Perform with these upgrades, We would like to have ordered the 7.4 custom tune ,but appearantly you are out of stock at the moment.Is there any time frame when you will have more modules.I would like to send you mine but I need my vehicle.Also we would like to have had the reasonable price. Yes, you can pay the $100 up front core charge and be refunded when you send your original back to us. I have a few questions so bear with me here. The performance chip is fully compatible with your Chevrolet Silverado 1500 in all trims, including the 2.7L, 3.0L, 4.3L, 4.8L, 5.0L, 5.3L, 5.7L, 6.0L, 6.2L and 7.4L engines. I have a 1999 3500 Chevy crew cab with the 7.4l 454 Ive got Gibson headers true dual exhaust with flow masters no cats. The same 290 horsepower that was standard for all GM cars in 1980 was maintained throughout the decade. Vortech Superchargers I assume the module is a pre-programmed ECM chip that replaces the stock ECM chip. Buy your Innovative Performance Chip/Power Programmer at Amazon! This left us with Mark 4, Gen V and Gen VI big blocks to choose from, any of which would work for this project. JavaScript is disabled. The 7.4L was originally offered in three versions: the LS5, LS6, and LS7 (which was never offered as a factory option to the general public). Hello! Topping the engine is a borrowed four-barrel Holley XP carburetor. Buy your Big Autoparts Ignition Distributor Set DR474 DR331 at Amazon! Apr 9, 2008 #4 7 70SSman Veteran Member Aug 11, 2005 134 Amston, CT, USA 100$ with low miles. I didnt see anything on the site but that doesnt mean I saw everything. If you want to send your PCM in that you know is functional, that is the best way to do it. Naturally, the truck-based 454s. With the baby stock cam they made 290hp and 415 ft lbs of torque. The budget portion of the equation came from a 7.4L Gen VI big-block Chevy straight out of the local wrecking yard. Would we still get the good price when you get more control modules in stock? We require the VIN so that we can pull up your vehicle's specific parameters and create a truly customized tune for your vehicle. 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. Is the Vehicle Control Module an ECM by another name? But don't despair. 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. Use for stock replacement OEM original equipment. I have had a hard time finding much of anything for these engines. 98 Single Rear Wheel 3500 7.4 Vortec. If you can supply me with your VIN and any part #'s that are on the ECM I can do some research. 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. Step 2 Install a high flow air filter and cold air induction intake. So I have a 98 K3500 with the 7.4L and I use it mainly for hauling, but I have began to daily it. The Vortec enhancements simply allowed GM to pass smog at a higher RPM. 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. Check back with us as we plan on adding a set of Brodix Race Rite aluminum heads to the mix in Part 2 of Project Boneyard Boost. cam with matching torque converter and headers would be easy. Also, is shipping included both ways? The vin is for a 2004 gmc 1500 with a 5.3 vortec. If you want to take full advantage of the cam swap then a custom tune will be needed to address that. Apr 10, 2008 #5 M MyBoTy Veteran Member However, this engine was developed mostly for large towing ability for CAFE-exempt passenger cars, so there is still room for improvement. Stronger shift points for towing and power. The P12 was only available for 1 or 2 years so there wasn't enough demand to continue producing products for it. 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. 2. Use a set of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. This is not an automatic check, it is performed manually by a parts specialist once the order is placed. We would just need to know the tire size you are running and if the rear gear ratio was ever changed from factory. All above engines equipped wit Hydraulic Roller Lifters. Yes, you will still pass emissions as long as you don't tamper with the existing emissions systems. Would this work on 1996 7.4L L29? The Vortec 7400 as you know lays down 290 HP and 410 LbFt of Torque. Im doing a full build on the motor Ive been told that these injections systems dont do well with these kind of upgrades. Wiring is the same. Thank you. The banks system will give you 70hp and 85lb-ft. To others, the 7.4 Vortec 454 big-block was the perfect engine at the wrong time. will i notice anything? Gasoline engines do not require different settings for different conditions like a diesel engine does. It is an all-iron engine (block and heads . After selecting a motor, we set about making the necessary changes for our test. It may not display this or other websites correctly. The valve train is OHV with two valves per cylinder and multi-port fuel injection for fuel induction. I have a 2000 gmc k2500 with the l29 454. It was known as the Vortec 7.4 (7400, Regular Production Option designation L29) in North America and across other markets. 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. The Vortec 8100 (RPO L18) is a V8 truck engine. Thanks for any help. 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. Im interested to know if you change the shift points or anything like that cause I have a shift kit in the transmission already. During its five years on the market, the 7400 was employed in 26-foot U-Haul trucks for commercial purposes. I have the 411. Oct 25, 2004 Do you guys know anything about the L29 Vortec motor. I have a 2000 OBS Chevy quad cab with a 454 Vortec. Raylar performance packages allow your 496 to produce massive amounts of power without sacrificing reliability. 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. Yes, we can tune your L21 for similar gains as with the L29. CAN YOU REALLY MAKE DECENT POWER WITH A SET OF PEANUT PORT BBC HEADS?. Have you plugged an OBD2 reader into the truck to see what it is displaying for RPM? The problem with making more power is that cost and performance often go hand in hand. Dont buy a camshaft because someone claims its fantastic; instead, purchase one because you know it will fit your vehicle and give you the performance look you desire. Do you still tune the 96 ecm? Programmers. 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. 1996 c3500 dually 7.4 with 5 speed. Truth be told, Vortech offered a number of Maxflow Aftercooler systems but we selected an intercooler core we had on hand for testing. 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. 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. 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. Roller Cam, .483 Lift . The tune will definitely wake the truck up. Or if I pay to send in, is the return shipping included in the $495? We are currently waiting on more ECM's to come in to be able to provide them on exchange. Some differences are: 1. I borrowed a friends TBI 454 dually to pull my blazer one time and it impressed the **** outta me. Reading some of your responses I came across one with regards to a 1996. 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 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. Mark McNabb was a contributor at TopSpeed from 2013 to 2018. If you send it to us you avoid paying the core charge. 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. Mfg Performance Parts www.straubtechnologies.com www.distributorgears.com I have a vortec454 in a non smog az tow vehicle. I read in earlier questions asked that you had stopped doing the earlier ones. 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. Yes, we can do that. For this test, the motor was configured with an Edelbrock RPM Air Gap intake and Holley 750 carburetor. We require the VIN so that we can pull up your vehicle's specific parameters and create a truly customized tune for your vehicle. GMC 7.4L/454 JET Performance Parts and Accessories Brand: JET Performance Make: GMC Engine Size: 7.4L/454 Individual Parts Part Groups In-Store Pickup Results 1 - 25 of 117 25 Records Per Page Default Sort JET Performance Programmers 15024 Computer Programmer, Chevy, GMC/Cadillac, Fullsize Pickup/SUV, 4.3L/5.0L/5.7L/7.4L, V6/V8, Each I have now disassembled the entire engine (except the crank and pistons) to check that everything looks good, remove all the dirt and grease and to prepare it for a rebuild. 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. Nothing I was finding really listed ACTUAL upgrades. A few weeks ago I bought a very low milage 454 Gen. VI L29 Vortec engine with hydraulic roller. Yes our tuning does work for trucks as well. We set all the parameters in the PCM, so you will not have a way to make adjustments on your end. Steel Camshaft 4. I heard these trucks have a torque management system does this computer give my truck back all its power? I dont have the 2000 VIN only the VIN from my 1995. 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. Since the cat removal shift points have been wonky. I am in a non emissions state My 98 GMC K2500 L29 7.4 litre has 2.5" true dual exhaust with pro Flowmax mufflers an X-Pipe, cat delete but still has both upstream and both downstream o2 sensors. 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. Your email address will not be published. If you send us your PCM, our turn around is usually 1-2 days. . I do still have all the O2 sensors but would like to delete them if possible. Yessir! 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.