Nothing I was finding really listed ACTUAL upgrades. At this point the engine run well, with no code problems. Subtract the standard .050-inch clearance, this leaves only enough room for a .420-inch lift cam. The Vortec enhancements simply allowed GM to pass smog at a higher RPM. Performance computer re-calibration and a Custom High flow Billet Flame Arrestor that increases the maximum power by more than 25 HP* and 30 pounds of torque*. I have a 98 C-3500 dually with a Vortec 454. 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. Whats left, though, is a 454 cubic-inch big-block Chevy with huge potential. 800-417-4559 Jay, https://www.ultrarvproducts.com/UltraPower-GM-Workhorse-7.4L-(454)-Custom-Tuning. It was known as the Vortec 7.4 (7400, Regular Production Option designation L29) in North America and across other markets. I have a 1996 Winnebago with a P30 chassis and a 454 75,000 miles and runs great. Step 2 Install a high flow air filter and cold air induction intake. But like any stock engine, there was tons of power left to be squeezed out. 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. GAS MILEAGE. And a k and n filter. 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). I THINK I want a diesel until I look at the prices. Even so, this engine was built primarily to provide huge towing power for CAFE-standard exempt vehicles, so there remains some room for improvement. The peak numbers jumped from 791 hp and 713 lb-ft with no intercooler to 847 hp and 761 lb-ft with the intercooler. "SE" Special Edition Tuning Kit For MerCruiser 454 & 502 Magnum MPI Engines. 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. Having tried the things you already have, I am pretty confident the issue is the PCM. 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. 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. Yes, we can tune your ECM. This is only 1 of the many changes that we make with our programming to achieve great power gains. Can you tune my new 2000 ECM and will it work without the original key and ignition harness. Weve seen a few 1996-1997 PCMs with this issue. Chevrolet BB Gen 6 454-502, '96-'00 Camshafts at Competition Products! I am considering your tune for my motorhome. Learn more. Install an aftermarket windage tray in your engine. The Muscle Automobile Period had come and gone before the 7400 series debuted. 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. We do not go further back than 1996 (OBD2) modules, sorry. A/T Flywheel, Hedman TEMS headers, and all the other good stuff that goes with a long block. So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. Headers exhaust. We have a complete Banks Power System and Banks Air Flow. I think I am going to swap on a good set of aftermarket heads and change out to an Edelbrock Pro Flo EFI. Prices increase after 2/28. 4.56 might be abit tall. Thanks. I borrowed a friends TBI 454 dually to pull my blazer one time and it impressed the **** outta me. Our kits include camshaft, lifters, piston rings, pistons, both rod and main bearings, cam bearings, timing components, oil pump, frost plugs and gasket set, with an option to purchase a crankshaft as well. 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. 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. $199.95. Best of all, this engine will make that power all day long without the threat of grenading under the stress of a turbo or supercharger. Typical gains are 40-45 horsepower and 45-50 lb-ft torque, 4. I would like to get the o2 delete. Buy your Innovative Performance Chip/Power Programmer at Amazon! It is unlikely that the Vortec 454 accessories will clear the hood. Probably cause no cats. I have a uhaul topkick with the 7.4. Feb 1, 2016 #2 Jorge6.5 I'm Awesome Joined May 17, 2013 Messages 1,015 Reaction score Im interested to know if you change the shift points or anything like that cause I have a shift kit in the transmission already. JavaScript is disabled. (454 used only MAP) 2. What sets us apart from the others?
Based on experience, we have had good results with Comp Cams 212/218 hydraulic roller camshaft. I have a 2000 OBS Chevy quad cab with a 454 Vortec. 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. Now, that poses the question: what would you shoehorn this big-block Chevy into? We modify this so that it is still "safe" but definitely wakes the truck up. Are there any gains to be had by programing and adding headers to my truck? 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. It may not display this or other websites correctly. 454 L29 Power Upgrade. Oxygen sensor modifications can be done. Your email address will not be published. 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. 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/. In addition to the powerful YSI supercharger, the kit included a cog-drive system to eliminate belt slippage under boost. Dec 18, 2007 . Both Vortec 7400 heads (the '98-'01 12560241 and the '96-'01 10141279) have about 100cc chambers. Engine is in stock configuration with no upgrades. I THINK I want a diesel until I look at the prices. 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! For this one, I would want you to send your PCM into us to be done. You can pretty easily get 400+ horses out of that thing and it be streetable. Solenoid resistance: 12.5 Ohms. If you send us your PCM, our turn around is usually 1-2 days. I would think that u-haul did not use their own ECM. After selecting a motor, we set about making the necessary changes for our test. 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. Anything that will help the performance. And what is the final cost of your ECM. Any thoughts from you technical guys? I am doing a full engine swap from a damaged motorhome to my older motorhome. It would be a good idea to re-tune for the Banks and injection systems. We can also adjust your speedometer to be correct. 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. 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? The state of California requires that this warning be posted for people purchasing products that reside in California. With the baby stock cam they made 290hp and 415 ft lbs of torque. We set it for the best performance in all conditions, it is not user adjustable. Makes NO permanent changes to your vehicle's computer! Truck has k&n air filter, 2.5 inch exhaust (no cats), e3 spark plugs and 8.5mm plug wires. 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.
How to Pick Up Big Power On a Junkyard 454 With a Simple - MotorTrend The truck does not need to be emissions compliant. Vehicle Monitoring and data-logging like no other! 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. 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. . Do you folks know of cam upgrades along with tuning that would give power upgrades on a l21 with a manual transmission ? This is not an automatic check, it is performed manually by a parts specialist once the order is placed. The valve train is OHV with two valves per cylinder and multi-port fuel injection for fuel induction. Orders placed on the weekend or after cutoff on Friday, and orders placed on select holidaysareprocessed on thenext business day. Also the torque management. Headers suggested. 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. The heads, pistons, and intake are stock. I am upgrading the fuel injectors with the new Bosch III's and the plugs and wires. high flow intake elbow, filter and MAF I sprayed starter fluid in the tbi and it fired up for a few second. 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 can even modify these Chevy 454 rebuild kits to your specifications, giving your vehicle exactly what it needs for maximum performance. Is it possible to get the newer 0411 with your tune for my truck. 1997 gmc 3500 cc dually. 1999 Crew cab dually, 454 vortec, AUTOMATIC. It was the same size as the outgoing 7.4 L V8, but got a boost in power and more towing capacity. Just worth mentioning. Straight Port Cylinder Heads 6. 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. Even stock we see impressive gains but even more so with the Banks PowerPack installed. Vise grip, needle-nose and standard pliers. 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 Can you reprogram and net me the same HP & TQ numbers as the L29? FULL RESULTS-GEN 5 454 UPGRADE-STOCK PEANUT PORT HEADS. Reasons to buy: I plan on the injector and ignition work done in march. As you can tell, it doesn't deliver much. Can you guys tune that ecm? 7.4 chevy engine in georgia boy pursuit motorhome. With our tuning, peak horsepower is at about 3500 RPM and peak torque is about 2500 RPM. Any "recalibration" would require sending your ECM to us for programming changes. The most important changes that are made have to do with spark advance, fueling, transmission shifting and torque management settings. I have a few questions so bear with me here. I just purchased your UltraPower GM / Workhorse 1998-2000 7.4L Vortec (454) Custom Tuning. I think they were made before Chevy started using real tornados. 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. I have been watching lots of posts and things get carried away very quickly about getting big big hp. For GM vehicles, the Vortec variant increased power by 60 horses. All other modifications are going to be expensive, labor intensive and still not necessarily yield the same results. Apr 14, 2016. We can adjust for speedometer error. Check out their web sight Bankspower.com Using 3.5-inch aluminum tubing from CXRacing, we configured the intercooler between the YSI supercharger and the blow-through carburetor bonnet. This ignition system upgrade will allow you to set your distributor for a little more timing advance. 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. $399.99. We are currently out of clean/painted cases for the PCM's. We use the original black box PCM's. Great motor and runs strong with gobs of TQ. This upgrade will not only improve overall top end power but it also . Buy your Painless Performance 60211 Standard Length MPFI Harness for 1996-2000 GM Vortec 7.4L V8 at Amazon! 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. The engine displacement in liters is 7400, which is readily changed to 7.4 liters. 496 MAG Performance Parts Performance Applications Chevy / GM Trucks With the intercooler assembly in place, we once again ran the blown big block in anger with amazing results. The Vortec 454 was touted as having substantially more power. Our tuning is based off of extensive dyno testing of RV's, and while results may vary, our gains are generally higher than others due to our expertise in the tuning of the L29 7.4L. I will be sending you my ECU. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. Dodge RAM 3.0 Ecodiesel Performance Upgrades Guide, Best Ford 6.7 Powerstroke DPF Delete Kit Upgrade.
vortec 454 cam? - Trucks, Trailers, RV's & Toy Haulers - ThumperTalk We removed the factory EFI injection, and replaced it with simple carburetion. You are using an out of date browser. Unfortunately this is not something that we offer.
454 MK VI (vortec) | NastyZ28.com Check for Availability: $349.95.
Fortec4x4 Jeep Customizing - FORTEC4x4 What type of gains could I expect with a tune for this? 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). If I send yall Parts list of what kind of cam, injectors, pistons, etc. I would like the biggest bang for the $. The tuning alone will be the single biggest change you can make to improve power and throttle response. I bought this truck brand new. Buy in monthly payments with Affirm on orders over $50. will i notice anything? 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. $360.56. The stock Vortec iron head will not tolerate more than .440-inch lift. Obviously different, but I still think the 454 has more to offer. I won't change the exhaust or add a ring eating K&N. Im doing a full build on the motor Ive been told that these injections systems dont do well with these kind of upgrades. They also installed roller lifters, heavy springs and chain/gears. Yes, we can tune your L21 for similar gains as with the L29. oh, by the way, this is a low mileage engine, single owner and I have taken excellent care of this truck. The ignition timing was dropped to 21 degrees and after adding a few jets to the carburetor, we were rewarded with some serious power. For a better experience, please enable JavaScript in your browser before proceeding. You claim 40-55hp gains is that something that I will notice drastically or is it more of a subtle power increase? Cats have been removed as well as smog pump. Yes - We can definitely take advantage of the current modifications done to the truck and really help it out. Vortex comes from the word vortex. The goal was to construct a fuel-efficient engine with an air-to-fuel combustion system that would eventually produce more power. We require the VIN so that we can pull up your vehicle's specific parameters and create a truly customized tune for your vehicle. Following up from previous question, here is the VIN 1GDG6H1BXYJ907917 and #s off the ECM, 09384681, sev. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network.