Steel Camshaft 4. When you purchase, just let us know any modifications or requests and we can accomodate. Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. Have you plugged an OBD2 reader into the truck to see what it is displaying for RPM? We gain on average 45-50 horsepower and 50 ft. lb. It can be done fairly cheap , power for days and 15-20mpg, I repeat. If you send it to us you avoid paying the core charge. These modifications will help to generate more horsepower without adversely affecting fuel efficiency, which will ultimately increase net mileage. 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. I think they were made before Chevy started using real tornados. I just put the k&N system on my truck made a huge difference in sound and performance I would deffanitly recomend spending the $250. Only a set of dyno headers and an electric water pump were different. I'm is Arizona and I'm planning a trip this month after Bonneville, to Aberdeen, home town, and Centralia, still have relatives there. the Vortec 7400 (454) that came in that suburban is one hell of an engine, there are also many things you can do to get more mileage and power out of it. Just wondering because Id buy one of those as well. You are using an out of date browser. Hot Rod decided to bolt up some typical speed parts. If I send in a functional pcm for my Suburban mentioned in last question whats the average turn around for it? It was utilized in both performance automobiles and trucks, as well as maritime and industrial applications in various combinations. better yet have it tuned (Brian Bosch I believe is the man to talk to about . I fought this truck with the cats deleted and air pump disabled. My goal is to improve torque and trans efficiency then MPG. watch out for chips as they just bump the fuel curve. I didnt see anything on the site but that doesnt mean I saw everything. Every horsepower subtracted as a result of parasitic drag is one less horsepower that wont help your truck travel down the road. CAN YOU REALLY MAKE DECENT POWER WITH A SET OF PEANUT PORT BBC HEADS?. I am considering your tune for my motorhome. Buy in monthly . Feel free to call me with your vin # handy if you would like to get your order in. 496 MAG Performance Parts Performance Applications Chevy / GM Trucks The 4300 was GMs first Vortec-engine V6, released in 1986 and designed for trucks. Free shipping. The upgraded Vortec 7400 is a 7.4L V8 OHV 16V-volt FI engine. Straight Port Cylinder Heads 6. 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. 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. 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. A restrictive or clogged air filter makes the engine work harder to breathe, which reduces efficiency. They said they no longer support my RV and had no parts available. Mar 20, 2011 #4 M MyBoTy Veteran Member Feb 9, 2002 1,567 Lubbock, Texas USA New 2-Piece Intake Manifold w/Long Intake Runners 7. 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. Is there anything to be gained within my parameters? The tire are one size larger than stock to the speedometer is off a little. m) at 3200 rpm. The only weak link is the peanut port factory heads and the sprinkler style fuel injection. is this unit ready for plug and play. We can also take care of the TQ management for you. If you choose the core option we will program an ECM here and ship to you. 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. cam with matching torque converter and headers would be easy. A cold air induction setup will feed the engine cooler and more oxygen-dense air. Pindar Both Vortec 7400 heads (the '98-'01 12560241 and the '96-'01 10141279) have about 100cc chambers. 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. I was interested in your tune for this engine and was wondering what your best guess on the horse power / toque gains would be. 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. Power & Performance News is the source for news, tech and products that help you get more performance from your vehicle. The banks system will give you 70hp and 85lb-ft. Can you guys tune that ecm? Im interested to know if you change the shift points or anything like that cause I have a shift kit in the transmission already. Yes, we can resolve your issues. . Yes we modify the shift patterns to hold the upper gears longer, your shift kit would not interfere or cause issues. Is it actually running at that RPM or just showing that? 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 $. Free shipping for many products! 496 cubic inches. We would reprogram yours and put it in a new case so it looks nice! Yes, you will still pass emissions as long as you don't tamper with the existing emissions systems. Prices increase after 2/28. 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. The greater the power gains, the bigger the budget. After configuring a discharge tube and adding some race fuel, we slowly supplied boost to the boneyard big block. 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. Also how much horse power and torque do these motors have stock? Edelbrock 7162 Performer 454 Cam kit can produce 540 horsepower and 530 ft-lbs torque power on a 454 engine. Reading some of your responses I came across one with regards to a 1996. It was also noted to have more power for gasoline engines. 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. Can I reprogram on the fly as conditions change and performance needs warrant a change?? 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. I dont have the 2000 VIN only the VIN from my 1995. Great motor and runs strong with gobs of TQ. I heard these trucks have a torque management system does this computer give my truck back all its power? The terms ECM, PCM, and VCM are all used to describe the engine computer by various manufacturers, yours is located above the radiator . I have a 2000 OBS Chevy quad cab with a 454 Vortec. If it is a 1998 then yes you can. 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? Fuel pump doesn't run. So I have a 98 K3500 with the 7.4L and I use it mainly for hauling, but I have began to daily it. Can you reprogram and net me the same HP & TQ numbers as the L29? Chevrolet BB Gen 6 454-502, '96-'00 Camshafts at Competition Products! I am doing a full engine swap from a damaged motorhome to my older motorhome. I'm sure there are other differences that would need to be addressed but you should still be able to re-use the original key and ignition harness. BBK is your Number One Aftermarket Performance Brand in the USA - American Designed and Built . There was plenty of power left in the YSI, but at 847 hp we couldnt help but be amazed at the extra strength GM put into the design of their 290-hp big block. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. Best, least expensive way to get more power out of this engine is with our custom tune. Inexpensive and fairly easy to install, a windage tray will help to keep oil in the sump where it's supposed to be and can even help to extend bearing life by keeping the rotating assembly in balance. Thank you. We tune the original black box PCM but do not do the 411 swap. It is a redesigned Chevrolet Big-Block engine and was introduced with the 2001 full-size pickup trucks. We are unaware of any cam upgrades specifically for the L21. 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. Jump to Latest Follow . 454 L29 Power Upgrade. This is only 1 of the many changes that we make with our programming to achieve great power gains. Even better than the big peak gains was the fact that the cam swap . The Vortec enhancements simply allowed GM to pass smog at a higher RPM. That being said, the threads on the net are pretty old. I borrowed a friends TBI 454 dually to pull my blazer one time and it impressed the **** outta me. But like any stock engine, there was tons of power left to be squeezed out. The main improvements will be improved shifting and overall more torque to pull hills. The old camshaft came out, too, with a meatier hydraulic bump stick with 0.600 inches of lift taking its place. My question is you claim 40-55 hp gain on the 7.4l , and all the other tuners on the internet only claim 20-25hp gain, will I really see 40-55hp gain with stock engine, exhaust, and air filter? Right now I have a CAI, 2" full length headers, 3" dual exhaust and EGR delete. Typical gains are 40-45 horsepower and 45-50 lb-ft torque, 4. 2. Is the pcm that is used a 411? Our acclaimed editorial staff covers all aspects of engine and driveline upgrades with a mission of presenting information that is both interesting and achievable for the average car guy. So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. We removed the factory EFI injection, and replaced it with simple carburetion. The cooler charge air (plus tubing length and bends) dropped the peak boost pressure from 19.1 psi down to 17.7 psi. 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. The Chevrolet 454-cubic-inch, or 7.4-liter, V-8 engine was an extremely powerful gas guzzler that should have remained obscure after the 1973 oil crisis. Dedicated to making your Chevy Truck bad***. The vin is for a 2004 gmc 1500 with a 5.3 vortec. Yes you are correct that there is torque management which "pulls" back power when taking off from a stop. 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. Thanks. 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With the intercooler assembly in place, we once again ran the blown big block in anger with amazing results. We use cookies to ensure that we give you the best experience on our website. Just need a working substitute, no enhancements really needed. How To Add 70 Percent More Power to A Chevy 454 V-8. Typical turn around is 3-4 days, sometimes quicker. will i notice anything? Buy in monthly payments with Affirm on orders over $50. 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? Is there a way you could tune that out completely or as much out as you possibly can? 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. We require the VIN so that we can pull up your vehicle's specific parameters and create a truly customized tune for your vehicle. What sets us apart from the others? I THINK I want a diesel until I look at the prices. If you would like to place your order feel free to give me a call at 800-417-4559. BBK Performance Parts 1710-XC GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD. Will this correct my RPM gauge issue? 1997 gmc 3500 cc dually. The results: 567 horsepower and 537 pound-feet of torque on 89-octane pump gas! Seems like it's lacking power towing my boat. The Gray, the green with white strip and the black test grounded. I have a few questions so bear with me here. Sequential-Port Fuel Injection (454 only had 2 Throttle Body Injectors) 3. Roller Lifters 5. It is $495 if your sending your core/pcm in first. Does this upgrade have a negative or positive impact on engine life? Truck is stock otherwise and runs good just looking for more out of it. Some differences are: 1. 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 would think that u-haul did not use their own ECM. You may also like. Do you folks know of cam upgrades along with tuning that would give power upgrades on a l21 with a manual transmission ? If it does work what would do for pulling and climbing hills? Despite the impressive cooling powers of the carburetor, we were still concerned about the elevated charge temps going into the carburetor. A/T Flywheel, Hedman TEMS headers, and all the other good stuff that goes with a long block. 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. Learn more. Thank you. If you want to take full advantage of the cam swap then a custom tune will be needed to address that. $399.99. If so, is that the unit that sits above the radiator of a 2000 Itasca Suncruiser V32 w/ L29 7.4l (454ci) Vortec? And performance tune? Precision Auto Injectors Set of 8 Genuine OEM 1996-2000 GMC Chevy 7.4L 454CID Vortec Rochester Fuel Injectors. It is bone stock except for tow mirrors and Kodiak door handles on all 4. With the shut downs due to the virus, our normal service company that does that for us is closed. Your vehicle is not compatible. We've had a lot of issues with 1996 & 1997 PCM's so for the moment we are not tuning those. I have a 1996 C3500 crew cab dually with a 7.4. The exhaust does not have CATS with dual to the muffler and single exit tailpipe. 1996 c3500 dually 7.4 with 5 speed. 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. as much as possible im going to do a cam exhaust and injectors and intake so my questions are what do you think my gain would be with your pcm and can it be piggy backed with a plug in tuner thanks matt, would i be able to get a retune if i add a cam after, and what is the turn around time, thanks. So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. 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. I have a GMC PCM service # 16238212 for a 99 Topkick w/7.4L 454 gas engine; and was wondering if you are able to repair these PCMs/ECMs or have an equivalent I can replace it with? Other #s not sure what they are if theyre useful, 86DAFMM0017433PS, HDW # 16239740. Could you do a downstream 02 sensor delete? 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? K&N Performance Fuel Filters are built for high flow rates and capacity while they provide outstanding filtration. 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. It will be plug and play. 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. Stage 1 Upgrade for Mercury 525 EFI. Mark McNabb was a contributor at TopSpeed from 2013 to 2018. 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. The state of California requires that this warning be posted for people purchasing products that reside in California. The tuning is custom to each vehicle depending on calibrations, modifications and any special requests. It gets you an EGR blockoff plate for the Vortec 4.3/305/350 engines. 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 We have a complete Banks Power System and Banks Air Flow. Subtract the standard .050-inch clearance, this leaves only enough room for a .420-inch lift cam. Now, that poses the question: what would you shoehorn this big-block Chevy into? 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. The UltraPower ECM performs very well on both stock engines and ones that have been upgraded with other modifications. Body Diameter: 16 mm. Your email address will not be published. 7.3 is 250-275/505-525 stock. Of course, the guys wanted to see what the old iron block had in her, so they ran a baseline test. Following up from previous question, here is the VIN 1GDG6H1BXYJ907917 and #s off the ECM, 09384681, sev. I bought this truck brand new. The 7.4 Vortec was essentially the same big block 454 that Chevrolet used to power its muscle cars, but it gained a hydraulic roller camshaft and improved cylinder heads to make it considerably more efficient than the old LS6 could ever hope for. I THINK I want a diesel until I look at the prices. Free shipping. After selecting a motor, we set about making the necessary changes for our test. Oxygen sensor modifications can be done. Change to a synthetic oil that is light-weight. im wanting /needing power and torque. We can accommodate your requests for the oxygen sensors, speedometer adjustment and increased HP/TQ. 16238212. Et si je devrai faire recalibrer mon ecm? What are your recommendations?? Full Forum Listing. Nothing I was finding really listed ACTUAL upgrades. 4.56 might be abit tall. That extra air going into your engine needs to get out somehow; installing a full aftermarket exhaust system like this is always good for more fuel economy, especially when combined with a freer-flowing intake. Whats the stock numbers on a Vortec 454? Chevrolets Vortec 454 was a modern-day evolution of the firms most famous big block. Yes, you can pay the $100 up front core charge and be refunded when you send your original back to us. Apr 9, 2008 #4 7 70SSman Veteran Member Aug 11, 2005 134 Amston, CT, USA 100$ with low miles. The 454 HO crate engine boasts 438 HP and 500 lb-ft of torque. It specs out at 265 HP@4500 RPM and 340 ft/lbs of torque@3500 RPM. This ignition system upgrade will allow you to set your distributor for a little more timing advance. Orders placed on the weekend or after cutoff on Friday, and orders placed on select holidays, If you will be sending us your ECM for reprogram you will need to select "Remove Core Charge". 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. The old, weak 240 HP 454 is every bit as. I am certain we can get more power and overall better drivability with our tuning versus your current setup. Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube. 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. 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. 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. We require the VIN so that we can pull up your vehicle's specific parameters and create a truly customized tune for your vehicle. So if I have your tune done what is the turn around time sending my PCM to you? Yes, as long as it is a "J" (8th digit of the VIN) Vortec 7.4L, we can tune it. The ignition timing was dropped to 21 degrees and after adding a few jets to the carburetor, we were rewarded with some serious power. 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. $199.95. The previous owner had the engine rebuilt in 2012 and tells me they installed an RV cam but I am not sure which one. Yes that would be fine, you would just need to call in to our service department and schedule a date :). vortechsuperchargers.com. Also I want to send you guys mine as core but I wanted to get yours first so Im not without my truck and if something goes wrong I can plug my factory one back in, so can I wait to send mine till after I get yours? With the baby stock cam they made 290hp and 415 ft lbs of torque. The stock injectors are fine for our performance tuning. We would recommend speaking directly with a camshaft manufacturer to determine the best for your particular engine. Also the torque management. 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. Oct 25, 2004 Do you guys know anything about the L29 Vortec motor. We include a data recorder with the ECM for your to record engine data and send to us to verify all engine systems are running efficiently. If product is incorrect for the provided VIN we will contact you to revise order. I won't change the exhaust or add a ring eating K&N. 454 Vortec Reliability and Ownership Guide, Pre-Purchase Inspection: What to look out for, crate version of the 454 big block from Chevy, 1996-2000 Chevrolet/GMC C/K GMT-400 platform trucks 2500/3500, 1996-1999 Chevrolet Suburban 2500/GMC Suburban 2500, 1996-2000 Chevrolet Express ( & 1 ton versions), 19982001 Chevrolet Kodiak/GMC TopKick/Isuzu H-Series 4500 5500, Larger Fuel Injectors and Fuel Pump Regulator. 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. Check out their web sight Bankspower.com Gains with the modifications you have done would be around 45 HP/ 45 TQ. 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. 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. First off, I snagged a used 454 throttle body off ebay and sent it out to www.rvmorsemachine.com to get bored to 54mm for some decent air flow for this big block project. 95K views 2 years ago WESTECH PERFORMANCE GROUP LETS TALK TORQUE! Then, in 2001, GM dropped the 7400 and 454 combination in favor of the final powerful big block, the 8100 496-cubic inch engine with 340 horsepower at 4,200 rpm and 455 foot-pounds of torque at 3,200 rpm. I just bought this 97 suburban 4wd with the bbc. If you are placing an order to ship outside the United States, Shipping Insurancewill be required and added automatically at checkout. This is perfect for an otherwise stock engine as the gains are the best bang for the buck by far. Howards, Hydraulic Roller Camshaft, Chev BB Gen 6 454-502, GM, Chev BB Billet Steel Hyd. It is a re-programmed ECM, either you send yours in or we send you one on a core exchange. a good set of headers help to. 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. This engine series was utilized on Chevrolet and GMC large truck models such as the Suburban from 1996 through 2001. 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. He eventually figured it out. You can definitely hold on to your PCM, that is not an issue. Engine Hotrodders' Lounge Body - Exterior Transmission - Rearend . You can pretty easily get 400+ horses out of that thing and it be streetable. At the relay the Orange wire is hot with 12 volts continually. Its amazing what some bolt-on parts can do! All fuel injector specifications meet or exceed the manufacturer's specification standard. Their high performance cellulose glass media traps contaminants such as rust, dirt, scale and other foreign materials. It would be a good idea to re-tune for the Banks and injection systems. Are there any gains to be had by programing and adding headers to my truck? Some of which are going with an upgraded ignition, headers, removing the cats and having the computer flashed to shut down the secondary O2 sensors. Stronger shift points for towing and power. . . To find out just how much the 30-year-old behemoth could muster, they took it to Westech Performances dyno room. Since the cat removal shift points have been wonky. Vortech Superchargers Oil tends to collect on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons) and reducing horsepower through parasitic drag. Hi Warren, that is definitely something we can tune for. Is there any way I could send you that one as a core in return for one to work in my 2000? Even so, this engine was built primarily to provide huge towing power for CAFE-standard exempt vehicles, so there remains some room for improvement. and will it improve my over all power? Solenoid resistance: 12.5 Ohms. http://www.cumminsdieselspecs.com/cummins_timeline.html, http://www.internationalpowerstroke.com/timeline.html, http://www.duramaxdieselspecs.com/compare_duramax.html, Tow rig Suspension and Axle upgrades questions (4th Gen Dodge). All rights reserved. You would see a nice gain in power, on your 1997 we generally pick up about 30 horsepower and 35 lb-ft torque. 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 C3500 with the 454/L29 and auto trans. 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.