high flow intake elbow, filter and MAF Short tube headers won't do anything for you but long tube headers would he beneficial. Will this correct my RPM gauge issue? Don't worry about what a camshaft may produce at 4000-5000 rpms in truck engines like this - YOU DON"T DRIVE THERE! The Vortec enhancements simply allowed GM to pass smog at a higher RPM. Check if this part fits . 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. Thank you. For this test, the motor was configured with an Edelbrock RPM Air Gap intake and Holley 750 carburetor. torque so it will definitely be able to hold the upper gears better when hill climbing and have improved acceleration. With the shut downs due to the virus, our normal service company that does that for us is closed. Also I dont have either downstream 02 sensors. Free shipping. 496 MAG Performance Parts Performance Applications Chevy / GM Trucks I am considering your tune for my motorhome. Just worth mentioning. I didnt see anything on the site but that doesnt mean I saw everything. HotCars covers all things automotive: the latest auto news and informative reviews on the car, pickup truck and motorcycle industries. The valve train is OHV with two valves per cylinder and multi-port fuel injection for fuel induction. Engine is in stock configuration with no upgrades. Why a motorhome? We measured our stock iron heads right out of the box and the retainer-to-seal clearance was only .470-inch. The compression was plenty low for use with the blower, but the extra power it provided would eventually be multiplied by the boost. I have a 1996 Suburban K2500 with the L29 engine and 4l80 trans. We require the VIN so that we can pull up your vehicle's specific parameters and create a truly customized tune for your vehicle. How much will the customization cost me? I called Banks Power last week to try and find out what they recommend. 4 Bolt Main GM Factory Vortec, Edelbrock's Performer Multi-Point EFI. Topping the engine is a borrowed four-barrel Holley XP carburetor. I am doing a full engine swap from a damaged motorhome to my older motorhome. Elgin Industries set of (16) Hydraulic Roller Valve Lifters compatible replacements for Big Block Chevy GMC & Pontiac engines. 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. That just won't do. I THINK I want a diesel until I look at the prices. 1997 gmc 3500 cc dually. Hot Rod decided to bolt up some typical speed parts. Another popular upgrade is changing to Bosch 4 hole injectors. 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. 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? We will set the tune up based on your modifications and requests. I am considering some performance upgrades to my 2000 Winnebago Brave with the 7.4 liter engine. 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. A restrictive or clogged air filter makes the engine work harder to breathe, which reduces efficiency. Headers suggested. They said they no longer support my RV and had no parts available. I would like to get the o2 delete. Some differences are: 1. 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! Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. do you think I could get more power with your ecm re-program? Thousands of satisfied customers have reported fuel economy increases as well as less transmission downshifting because of the increased horsepower and torque. It is a re-programmed ECM, either you send yours in or we send you one on a core exchange. Free Shipping over $199* Same Day Shipping before 7pm* Price Match Guarantee Free Shipping over $199* Same Day Shipping before 7pm* It was utilized in the Chevrolet Silverado, GMC Sierra, Chevrolet Suburban, and Chevrolet Express. Without going into the engine, they make a supercharger kit for it, I know whipple use to. 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 Chevrolet 7.4 Vortec was a modern-day improvement of the firms most legendary big block. I dont have the 2000 VIN only the VIN from my 1995. The tune will definitely wake the truck up. 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. If I send in a functional pcm for my Suburban mentioned in last question whats the average turn around for it? 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. Purchase a Chevy 454 crate engine online from JEGS High Performance. The most important changes that are made have to do with spark advance, fueling, transmission shifting and torque management settings. Et si je devrai faire recalibrer mon ecm? 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. 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. I don't drive the truck daily so could send my ECM to you for tuning My question is would this eliminate the SES light for the cats P0430/20 and air pump ?? We only specialize in the big block engines. We are not able to assist in providing this PCM. We immediately checked the latest 8.1L off the list due to lack of availability and parts cross over. I borrowed a friends TBI 454 dually to pull my blazer one time and it impressed the **** outta me. I want to install a cam while you have the ECU. 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. It debuted in 1970 as an upgrade of the 427 big-block V8 engine. Only a set of dyno headers and an electric water pump were different. Since the cat removal shift points have been wonky. 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. This ignition system upgrade will allow you to set your distributor for a little more timing advance. 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. $360.56. 95K views 2 years ago WESTECH PERFORMANCE GROUP LETS TALK TORQUE! 49073 - Banks Power TorqueTubes GM P-series 7.4L 454 96-00, SPW7400 - UltraPower 7.4L Vortec Magnum Workhorse/Chevrolet Spark Plug Wires (1996-2000). I have a few questions so bear with me here. But like any stock engine, there was tons of power left to be squeezed out. Buy your ELGIN Industries HL-7003S Hydraulic Roller Valve Lifters set at Amazon. better yet have it tuned (Brian Bosch I believe is the man to talk to about . 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. 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. 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. If you are placing an order to ship outside the United States, Shipping Insurancewill be required and added automatically at checkout. Hello I have 2000 GMC k3500 Truck. It has an ohv configuration with two valves per cylinder and a bore and stroke of 4.24 inches x 3 on the intake side. Do you have any videos of how to locate and remove my ECM? Yes - We can definitely take advantage of the current modifications done to the truck and really help it out. 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. Cost is $395 plus a $175 core charge which is refundable. I have a 1998 Winnebago Brave on a p30 chassis with the 7.4 with a Banks Power Pack. Any "recalibration" would require sending your ECM to us for programming changes. This combined with the internal step gearing and maximum engine speed of 6,000 rpm to produce a peak impeller speed of 51,700 rpm, well below the listed maximum of 65,000 rpm. Yes, we can do that. Jump to Latest Follow . I am upgrading the fuel injectors with the new Bosch III's and the plugs and wires. 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! Originally Posted by PonyKiller87 Ok, sounds just like swapping over the 96-00 vortec 350 to the 0411 as far as the wiring goes. Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube. If powertrain performance projects and hardcore technical content are your interest, Power & Performance News is the publication designed for you. I have a 2000 GMC school bus with the L21 7400 motor. 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. If you don't mind a "dirty" PCM case then we can take care of an order for you. Is it possible to upgrade the ECM on my 1994 Fleetwood Southwind Storm 454 TBI w/4L80E trans? A cold air induction setup will feed the engine cooler and more oxygen-dense air. If I send yall Parts list of what kind of cam, injectors, pistons, etc. Check the make, year, and model of your car to see if the VIN number is available. Been reading the net the last few days on power upgrades for my truck after reading the "best year diesel" thread on here. Steel Camshaft 4. Orders placed on the weekend or after cutoff on Friday, and orders placed on select holidaysareprocessed on thenext business day. TQ with those modifications done. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. I was thinking about removing the catalytic converter and was wondering if your reflash will delete the "check engine" light that will probably occur when I cut it off? 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 have the 411. 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. 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. 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. Don't know how tuning would work. There is a small red wire that has never been connected to anything. Maybe I need to go by the dealer and test drive a diesel or another gasser so I have a comparison. 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?? Feb 1, 2016 #2 Jorge6.5 I'm Awesome Joined May 17, 2013 Messages 1,015 Reaction score FULL RESULTS-GEN 5 454 UPGRADE-STOCK PEANUT PORT HEADS. It was bone stock 2x4 extended cab dually. Using 3.5-inch aluminum tubing from CXRacing, we configured the intercooler between the YSI supercharger and the blow-through carburetor bonnet. I plan on the injector and ignition work done in march. You will gain approximately 35-40 horsepower and 45 lb-ft torque. I just ordered an ECM for my 7.4 and was curious on if you guys did this tuning on the 5.7s? 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. Switch to a lightweight synthetic oil. Is there any way I could send you that one as a core in return for one to work in my 2000? 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. 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. Or if I pay to send in, is the return shipping included in the $495? Any thoughts from you technical guys? So I have a 98 K3500 with the 7.4L and I use it mainly for hauling, but I have began to daily it. 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. If you had the proper tuning software, you could tune it yourself later. 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. And a k and n filter. It is unlikely that the Vortec 454 accessories will clear the hood. Thinner oils allow the internal engine components to spin more freely and effectively, which improves their function. I have a 2000 gmc k2500 with the l29 454. PART NO. 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. Reference core exchange, what is the time limit for you to receive the exchange? merci. Even stock we see impressive gains but even more so with the Banks PowerPack installed. With our tuning, peak horsepower is at about 3500 RPM and peak torque is about 2500 RPM. 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. . . At times I get a dtc for bank 1 and 2 too rich. 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 It is not 4x4. He could even be found working on tractors or hay bailers while on vacation at his uncles farm. Does this computer hav egr delete programmed into it. Mark McNabb was a contributor at TopSpeed from 2013 to 2018. I've made several performance upgrades myself, but are always looking for something better. The budget portion of the equation came from a 7.4L Gen VI big-block Chevy straight out of the local wrecking yard. You can expect about 40-45 horsepower and 45-50 lb-ft torque increase with much better throttle response, crisp shifts and there is a reduction in the "TQ Management". 1 cat is gone already and the other is gutted i am taking it off next week when i get a chance. Precision Auto Injectors Set of 8 Genuine OEM 1996-2000 GMC Chevy 7.4L 454CID Vortec Rochester Fuel Injectors. The tire are one size larger than stock to the speedometer is off a little. 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. After selecting a motor, we set about making the necessary changes for our test. Its 567 horsepower of usable, reliable, fun power that anybody on a budget can build. The engine receives cooler, more oxygen-dense air through a chilly air induction system. This is a lie. 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. my ecm has to be replaced. The same 290 horsepower that was standard for all GM cars in 1980 was maintained throughout the decade. "SE" Special Edition Tuning Kit For MerCruiser 454 & 502 Magnum MPI Engines. I tow a large fifth wheel trailer with RPMs between 1800 to 2500 typically. 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. 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? Im interested to know if you change the shift points or anything like that cause I have a shift kit in the transmission already. What sets us apart from the others? This is only 1 of the many changes that we make with our programming to achieve great power gains. We would just need to know the tire size you are running and if the rear gear ratio was ever changed from factory. The 454 Vortec is the last in a line of one of the most successful classic engines in GM history. im wanting /needing power and torque. Yes we modify the shift patterns to hold the upper gears longer, your shift kit would not interfere or cause issues. Chevrolet BB Gen 6 454-502, '96-'00 Camshafts at Competition Products! 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? Just need a working substitute, no enhancements really needed. I have a 98 C-3500 dually with a Vortec 454. Is it possible to get the newer 0411 with your tune for my truck. Naturally, the truck-based 454s. There should be no reason to ever need to reprogrammed in the future and if you needed a replacement PCM we can take care of that for you. What is the difference between a Duramax 6.6-liter and a Chevrolet 7.4-liter engine? This camshaft provides more lift and longer duration using the 10-12 Manifold vacuum. Do a 12 swap and be done. You would see a nice gain in power, on your 1997 we generally pick up about 30 horsepower and 35 lb-ft torque. Free shipping for many products! I am certain we can get more power and overall better drivability with our tuning versus your current setup. 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. Vehicle Monitoring and data-logging like no other! We can also take care of the TQ management for you. This upgrade will not only improve overall top end power but it also . It was only designed for Chevrolets high-performance vehicles, such as the Chevelle and Corvette, and there were claims that engine horsepower output was actually underreported by Chevrolet during the muscle car wars. Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. We require the VIN so that we can pull up your vehicle's specific parameters and create a truly customized tune for your vehicle. Later i want to install the banks PPB 49070 package on this motorhome next year. The exhaust does not have CATS with dual to the muffler and single exit tailpipe. I will be sending you my ECU. They seem to be similar to those used in your RV work. 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). We don't however specialize in forced induction applications so we would not be able to help you with that. In addition to the powerful YSI supercharger, the kit included a cog-drive system to eliminate belt slippage under boost. I've always heard that they were a good upgrade to the TBI 454 and earlier 454 heads. I recently ordered an ecm for a 7.4 vortec and was very impressed. I have a 1996 C3500 crew cab dually with a 7.4. Install an aftermarket windage tray in your engine. The Muscle Automobile Period had come and gone before the 7400 series debuted. You might be able to run an L29 cam, but you will need to consult an engine builder. Always a big complaint with 454 TBI trucks. Boost your horsepower, torque, throttle response and fuel economy with the advanced Innovative Performance Chip compatible with your Chevrolet Silverado 1500! The truck does not need to be emissions compliant. Apr 14, 2016. I have Bosch Gen III injectors; Volant Air intake; and 3 exhaust. We wanted to make sure the air/fuel and timing curves were spot on before running the supercharged monstrosity in anger. Apr 9, 2008 #4 7 70SSman Veteran Member Aug 11, 2005 134 Amston, CT, USA 100$ with low miles. Bosch p/n: 0280155884. Also the torque management. My goal is to improve torque and trans efficiency then MPG. Thanks. 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. 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 We use cookies to ensure that we give you the best experience on our website. 1996 c3500 dually 7.4 with 5 speed. 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. Performance. 4.56 might be abit tall. How To Add 70 Percent More Power to A Chevy 454 V-8. Would we still get the good price when you get more control modules in stock? performance, modifications, classifieds, troubleshooting, maintenance, and more! 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. 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). Engineered specifically compatible with General Motors Vortec V8 engines,specifically compatible with General Motors Vortec V8 engines,Offering the quality,reliability,durability. We can accommodate your requests for the oxygen sensors, speedometer adjustment and increased HP/TQ. Fuel pump doesn't run. Feel free to call me with your vin # handy if you would like to get your order in. Vortech Superchargers 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. Nothing I was finding really listed ACTUAL upgrades. Body Diameter: 16 mm. Yessir! 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? The terms ECM, PCM, and VCM are all used to describe the engine computer by various manufacturers, yours is located above the radiator . Buy your Big Autoparts Ignition Distributor Set DR474 DR331 at Amazon! I just bought this 97 suburban 4wd with the bbc. I heard these trucks have a torque management system does this computer give my truck back all its power? The state of California requires that this warning be posted for people purchasing products that reside in California. 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. And what is the final cost of your ECM. Power & Performance News is the source for news, tech and products that help you get more performance from your vehicle. Do you have identifying marks on the ECU? For this one, I would want you to send your PCM into us to be done. I THINK I want a diesel until I look at the prices. 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. Just wondering because Id buy one of those as well. GAS MILEAGE. Roller Lifters 5. Great motor and runs strong with gobs of TQ. 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. Heads, intake and headers would definitely wake it up. I just purchased your UltraPower GM / Workhorse 1998-2000 7.4L Vortec (454) Custom Tuning. Only tow rigs I have used to pull my Jeep with was this truck and my DD Driver 5.3 Tahoe. Would the retuned ECM provide any performance gains above what are present now? 7.4 Vortec Vehicles Applications The Vortec 7400 had two variants, the L29 and L21, and they appeared in the following vehicles: 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. 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. It was utilized in both performance automobiles and trucks, as well as maritime and industrial applications in various combinations. Now, that poses the question: what would you shoehorn this big-block Chevy into? We are unaware of any cam upgrades specifically for the L21. 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 $. The Vortec 7400 as you know lays down 290 HP and 410 LbFt of Torque. There are a lot of variables that play into the exact gains we can achieve but I would say somewhere around 45-50 HP and 60 Ft Lb. 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. oh, by the way, this is a low mileage engine, single owner and I have taken excellent care of this truck. 16238212. I am of the same opinion that the UltraPower programming is going to be by far your best "bang for the buck". New 2-Piece Intake Manifold w/Long Intake Runners 7. 98 Single Rear Wheel 3500 7.4 Vortec. Installed E3 spark plugs which seemed to help. Mfg Performance Parts www.straubtechnologies.com www.distributorgears.com Vise grip, needle-nose and standard pliers. Can i tell if my RV has this already? 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? 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. The stock Vortec iron head will not tolerate more than .440-inch lift. With the baby stock cam they made 290hp and 415 ft lbs of torque. Check for Availability: $349.95. 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. 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. Performance Street, great low to mid-range. Our typical turn around time is 2-3 business days. Their high performance cellulose glass media traps contaminants such as rust, dirt, scale and other foreign materials. The old, weak 240 HP 454 is every bit as. Mostly people saying to try this and try that. Use for stock replacement OEM original equipment. Also how much benefit do you think I would gain by going aftermarket catback exhaust. We modify this so that it is still "safe" but definitely wakes the truck up. $399.99. . Only a set of dyno headers and an electric water pump were different. I have a 2000 C3500 with the 454/L29 and auto trans. Sequential-Port Fuel Injection (454 only had 2 Throttle Body Injectors) 3. We would reprogram yours and put it in a new case so it looks nice! I sprayed starter fluid in the tbi and it fired up for a few second. If you want to send your PCM in that you know is functional, that is the best way to do it. I'm is Arizona and I'm planning a trip this month after Bonneville, to Aberdeen, home town, and Centralia, still have relatives there. At the relay the Orange wire is hot with 12 volts continually. Use a set of long-tube headers (exhaust manifolds) and an aftermarket exhaust system.
