Hello I have 2000 GMC k3500 Truck. 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. 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. 454 L29 Power Upgrade. Can I reprogram on the fly as conditions change and performance needs warrant a change?? Our tuning is custom to your vehicle so if you ever did have a dealer flash the computer it would wipe out the performance settings and revert to stock. The most important changes that are made have to do with spark advance, fueling, transmission shifting and torque management settings. Prices increase after 2/28. Purchase a Chevy 454 crate engine online from JEGS High Performance. Nothing I was finding really listed ACTUAL upgrades. Yes, you can pay the $100 up front core charge and be refunded when you send your original back to us. However, this engine was developed mostly for large towing ability for CAFE-exempt passenger cars, so there is still room for improvement. I just purchased your UltraPower GM / Workhorse 1998-2000 7.4L Vortec (454) Custom Tuning. The tire are one size larger than stock to the speedometer is off a little. 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 have the parts list and see one item called 01-412-8 hyd roller cam for $315. Reference core exchange, what is the time limit for you to receive the exchange? I have a 2000 OBS Chevy quad cab with a 454 Vortec. 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. He could even be found working on tractors or hay bailers while on vacation at his uncles farm. In 1996, when all of GMs models received excellent reviews due to a new range of engines that added power, every one of its vehicles were praised by clients. I THINK I want a diesel until I look at the prices. My goal is to improve torque and trans efficiency then MPG. Are there any gains to be had by programing and adding headers to my truck? After installed Ultrapower GM/ Workhorse 1998 7.4l Vortec 454c. 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! We do not go further back than 1996 (OBD2) modules, sorry. We would recommend speaking directly with a camshaft manufacturer to determine the best for your particular engine. A cold air induction setup will feed the engine cooler and more oxygen-dense air. Would the retuned ECM provide any performance gains above what are present now? He has worked as a tractor-trailer driver and mechanic, a rigger at a fire engine factory and as a race-car driver and builder. Is this doable? I borrowed a friends TBI 454 dually to pull my blazer one time and it impressed the **** outta me. However, Chevy still offers the 454 big block V8 as a crate engine. $399.99. My tech who does the programming is out of town this week so it would get done first thing next week if you wanted to go ahead with it. I've made several performance upgrades myself, but are always looking for something better. The previous owner had the engine rebuilt in 2012 and tells me they installed an RV cam but I am not sure which one. 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. Free shipping for many products! Thank you. Im doing a full build on the motor Ive been told that these injections systems dont do well with these kind of upgrades. Oct 25, 2004 Do you guys know anything about the L29 Vortec motor. We will set the tune up based on your modifications and requests. Oil collects on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons), reducing horsepower through parasitic drag. Yes, we can tune your ECM. Will this correct my RPM gauge issue? The valve train is OHV with two valves per cylinder and multi-port fuel injection for fuel induction. Whether the kit is intended for stock replacement or racing, various levels of compression will allow for improved performance with emphasis on top-end power and high RPM. If I send in a functional pcm for my Suburban mentioned in last question whats the average turn around for it? It's a nice cam for a 454 big block chevy engine that runs with 1500-6500 RPM Range. The issue with your tachometer would only be fixed if there is an actual issue with your PCM. A windage tray, which is cheap and simple to install, can help to keep oil in its proper location by keeping the rotating assembly balanced. 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 Do you offer anything for the 5.3? Raylar performance packages allow your 496 to produce massive amounts of power without sacrificing reliability. This thing is weak as water. It would be a good idea to re-tune for the Banks and injection systems. Would you be able to tune this on a new computer so I can keep the original? With the baby stock cam they made 290hp and 415 ft lbs of torque. oh, by the way, this is a low mileage engine, single owner and I have taken excellent care of this truck. Fuel pump doesn't run. Check if this part fits . They also installed roller lifters, heavy springs and chain/gears. I have had a hard time finding much of anything for these engines. Performance. Another popular upgrade is changing to Bosch 4 hole injectors. This is perfect for an otherwise stock engine as the gains are the best bang for the buck by far. Thank you. Why a motorhome? The P12 was only available for 1 or 2 years so there wasn't enough demand to continue producing products for it. 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. Check out their web sight Bankspower.com Edlebrok performance heads with factory Combustion chamber size 100-110cc, valves set for .700 lift, I-2.190 E-1.880, 3/8" guideplates : http://www.summitracing.com/parts/EDL-60499/ GM Vortec EGR blockoff plate p/n is 12554606. Please contact us directly to set that up at 800-417-4559. If you don't mind a "dirty" PCM case then we can take care of an order for you. torque so it will definitely be able to hold the upper gears better when hill climbing and have improved acceleration. Full Forum Listing. Yes - We can definitely take advantage of the current modifications done to the truck and really help it out. Hot Rod And remember, thats all without touching the bottom end. It gets you an EGR blockoff plate for the Vortec 4.3/305/350 engines. This is a lie. I'm saving up for the banks power pack system. I recently ordered an ecm for a 7.4 vortec and was very impressed. If you choose the core option we will program an ECM here and ship to you. 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 appreciate it but we only specialize in the big block engines. better yet have it tuned (Brian Bosch I believe is the man to talk to about . Precision Auto Injectors Set of 8 Genuine OEM 1996-2000 GMC Chevy 7.4L 454CID Vortec Rochester Fuel Injectors. We can send a pre-programmed ECU on core exchange. Build your own custom newsletter with the content you love from Street Muscle, directly to your inbox, absolutely FREE! The Gray, the green with white strip and the black test grounded. Most ordersare shippedwithin 24 hours from the order date. CAN YOU REALLY MAKE DECENT POWER WITH A SET OF PEANUT PORT BBC HEADS?. Truck is stock otherwise and runs good just looking for more out of it. 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 $. For this one, I would want you to send your PCM into us to be done. It is bone stock except for tow mirrors and Kodiak door handles on all 4. 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. The stock Vortec iron head will not tolerate more than .440-inch lift. Their high performance cellulose glass media traps contaminants such as rust, dirt, scale and other foreign materials. Any thoughts from you technical guys? A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. That represents a 70-percent increase in horsepower. This ignition system upgrade will allow you to set your distributor for a little more timing advance. The tuning alone will be the single biggest change you can make to improve power and throttle response. $119.95. I installed a K&N replacement are filter in the stock air box. Vehicle Monitoring and data-logging like no other! I have a 2000 OBS Chevy quad cab with a 454 Vortec. 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. Thank you. 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. 7.4 Vortec Vehicles Applications The Vortec 7400 had two variants, the L29 and L21, and they appeared in the following vehicles: 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. I replaced the relay to no avail. I just bought this 97 suburban 4wd with the bbc. Your vehicle is not compatible. If it is a 1998 then yes you can. We only specialize in the big block engines. Eric, we can program for EGR delete, cost would be $ 495.00 and would also include the performance tune . Whats the stock numbers on a Vortec 454? Rowe studied engineering, philosophy and American literature at Central Florida Community College. We have no issues with tuning a higher mileage engine as long as it is in good running condition. 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. A cold air induction setup will feed the engine cooler and more oxygen-dense air. 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. The LS6 was discontinued after 1971 because of tighter emissions controls, and the LS5s power had dropped to about 245 horsepower by 1973 as a result of more stringent emission standards. Roller Lifters 5. Do you still tune the 96 ecm? Installed E3 spark plugs which seemed to help. watch out for chips as they just bump the fuel curve. It is quite a noticeable difference! 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. Et si je devrai faire recalibrer mon ecm? my old part number on ecm is 16263494 on 1999 454. Using 3.5-inch aluminum tubing from CXRacing, we configured the intercooler between the YSI supercharger and the blow-through carburetor bonnet. The 1970 Chevrolet 454 was the most powerful with outputs of 360 and 450 horsepower from the LS5 and LS6, respectively. It is a redesigned Chevrolet Big-Block engine and was introduced with the 2001 full-size pickup trucks. I plan on a couple of cross country trips this summer before the Banks PPB install, so, should I wait for the tune until after the Banks install or do the tune this year? This engine series was utilized on Chevrolet and GMC large truck models such as the Suburban from 1996 through 2001. I tow a large fifth wheel trailer with RPMs between 1800 to 2500 typically. 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! I would like the biggest bang for the $. 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.
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