454 vortec tune

454 vortec tune. Truck pulls ok but lacking on long grades and really. Dec 31, 2012 · HPTuners will tune the 98 and up trucks. 4L/454 Ignition Tune-Up Kits and get Free Shipping on Orders Over $109 at Summit Racing! Nov 13, 2014 · Make plenty of low end and mid range power to get that truck moving. 4 liter 454 cu. Jul 26, 2021 · Ether way I have what I have and still need to tune it, just trying to make it run and tow better. 1996-2000 Gmc 7. 6" Skyjacker lift w/Edlebrock dual front remote resoviour shocks, single rear remote. Feb 13, 2005 · Buy ACCEL TST6 Ignition Super Tune-Up Kit - GM - V8 Vortec 7. The wiring is slightly different between the 96, 97, and 98 to 2000 trucks. I just did the 0411 PCM swap this week. My assumption is my EGR valve is bad, so I will replace it; but I Information and engine specs for the Chevrolet 454 V8 Engine. 98 GMC RCSB 2WD, Internally stock 305 w/Twin T-3 junkyard Turbos,4L80e,Ramjet intake,42lb. 1996 Chevy 7. I also found some comp cams with 115 and 116 LSA, from what I've read higher LSA is good for EFI tuning and a smooth idle, but will it have adverse affects on power? Dec 27, 2023 · The cost of upgrading your 454 Vortec engine depends on the specific upgrades you choose. Thread starter wirlybird; Start date Oct 17, 2021; but they've got the wrong distributor-end boots for Vortec. #2 · Dec 17, 2010. Originally Posted by Obsolete489. There is also more support from the tuning software companies Feb 5, 2011 · The programmers for those year 454's don't really do that much. If capping the EGR, you'll require a 'tune' that deletes the EGR function and retunes the engine for sans EGR. The cylinder’s bore and stroke are each 4. Nov 9, 2017 · Hey guys, Just looking for some information and advice - I have a 1997 GMC K1500 with a 5. 0 Vortec Power Limits. I replaced the O2 sensors, replace all in injectors with a new fuel rail and fuel pressure regulator, new fuel filter, new fuel tank with a new fuel pump, then I replace the Jan 14, 2018 · The component that makes this possible is a Vortec 8100 camshaft. 3 liters in displacement. You can start with a 6. 95-mm bore and a 101. 4 vortec and opted for a soft/ mild transmission tune and sent them my performance specs with JBL shorty ceramic coated headers + duals through a magnaflow muffler and it was the cherry on top to tying all mods together. Jun 7, 2015 · Its same size used on the Vortec 454. 77. 1l Oil Bypass Valve Dec 27, 2014 · Oldandtired Discussion starter. 52. 2:1 compression ratio, the engine has cast iron cylinder heads and a cast iron block. 3 Vortec engine also has a balance shaft. JEGS offers big block Chevy engines among our selection of Crate engines to meet your needs. Colorado. Does anyone know of someone that knows what they're doing and tunes 454 PCMs? Looking for a bit more out of mine if possible. I was wondering if someone could help me with the 96 blackbox to 01 411 pcm much help appreciated. There is some discussion that some Vortec injectors make be underrated and may flow up to 28#/hr at 60 psi. You can get the GM Performance Parts vortec to TBI intake manifold=$$$ or just get a carb intake manifold for a vortec and use a TBI adapter=$. We have a kit that is designed for the 454. Gets you new studs, spacer, rocker nut and roller tip rockers for $285. May 6, 2017 · Jordan Moore Discussion starter. The first thing to look at for 4. 4 vortec engine and will soon be doing some upgraded so I figured I might want to document the gains with real proof. I have verified the pins and wiring, it's all good. Chevy/GMC 7. With a 9. I must make it run as it is a needed vehicle. 7L L31 Van code used in the 0411 for this swap? Oct 3, 2017 · What’s left, though, is a 454 cubic-inch big-block Chevy with huge potential. I have performed a 0411 PCM swap into a 1999 Quigley 4x4 van. I ported and cc matched the ports (flowed 295 cfm on intakes), chambers were cc matched and polished, and the manifold was matched and ported. Posts. 7. It runs like a scaled dog even dragging the Saturn along, it just doesn't want to release the crappy fuel mileage. Jun 22, 2012 · Seems we are both heading in same or similar direction here. Maintains speed and higher gears when climbing hills. So you exhaust is plenty big stock on the 2500. Originally Posted by 96c2500 350 vortec. 4L/454 Computer Programmers and get Free Shipping on Orders Over $109 at Summit Racing! Feb 17, 2008 · This vortec 454 is proving to be a much more difficult mountain to climb. If you want to do the 0411 PCM swap or have a 1996+ Vortec motor this is your forum! 1. Also slows down the coolant flowing thru the underside of the TBI intake manifold. Nov 4, 2019 · I have the black bear tune on my 96 k2500 7. It'll definitely set codes and create an emissions fail. I just bought it this year and it’s been running really rich since I had it. Engine Specs for the Chevy 454 V8 such as horsepower and firing order. I've got a 97 Vortec 454 stick shift 4x4 truck. Very shortly (spring or sooner), I plan on doing some motor Aug 23, 2011 · Re: Vortec 454 swap. Currently have a Blackbear performance tune on the way, cold air intake and 2. 27. 4 L (454 cu in) V8 was a truck version of the Chevrolet big-block engine. This listing is for a MSD Ignition Upgrade Kit for 1996-1998. Jul 15, 2015 · 96 vortec 7. HP tuners is a great tool and I've got it running pretty well. com, I do notice a couple familiar names from there on here. You might be wondering, why offer an alternative to diesel, if diesel is objectively better in all performance-related categories? Well, there are a few reasons: price, availability, and convenience. An unrestricted barbed fitting is a bad idea. 3) Cold Air Intake Upgrades. Jumpstart Your Next Project! Find CHEVROLET 7. I spent a year building a 7. Big Block Chevy 454 496 Gen 5 6 7 Vortec 7. Jan 17, 2024 · 454 Torque: Up to 500 lb-ft; As the 1970s progressed, the Chevy 454’s engine specs by year declined due to stricter emission laws and new SAE power standards. Big blocks fall into 4 version for 454's. Dec 10, 2017 · I really doubt there is anyone out there sell a harness for this engine meant for the 0411. 5 psi, but the stock fuel pressure is actually at 60 psi (22-23 #/hr). 120. PM has been answered. Intake, Injectors and ECM are all stock (black box). . GM designed the 8. com. It stumbled when starting so I investigated and replaced the fuel Find CHEVROLET 7. Not sure how tight your budget is but a universal catalitic from magnaflow is around $100. 8:1 compression, its in a Cherokee Chief 4wd, I've supposedly got a 2001 Express computer , thanks Aug 9, 2019 · GM deliberately restricts the heater supply using the quick-connect. I cannot seem to get it to shift out of 1st gear when in 4x4 Low Range. You keep saying 0411 stock 454 tune. "those vortec 454's need the stock injectors replaced, if they haven't been already, and Find CHEVROLET 7. this seems to be the hardest part of the procedure). The 0411 PCM has a much faster processor than the Black Box PCM and has dual timing tables. The Screamin’ Demon Coil allows you to open up your plug gaps Oct 2, 2016 · Aug 2006. Only time GM used a 0411 on the Vortec 454. To be fair, the term cold air intake is a bit misleading, because technically the stock intake is basically a cold air intake itself. I'm not sure how much timing could be added across Jul 18, 2014 · Vortec 454, stock heads, but idk what the stock lift limits are. I am looking to finally get an 0411 PCM in my 99 Suburban K2500 454, and use my RR and EFILive to tune it. What do you guys recommend for plugs, wires, cap & rotor? Also, what other "bolt on" items should I replace? I know PCV valve is recommended. DOES EFILive support the 5. Then adjust the distributor until cam retard is between -2 and +2 degrees. The incentive for me is this: my son had a '99 Yukon 4wd with 350 and auto, and he could pull low 20s on interstate. com FREE DELIVERY possible on eligible purchases Feb 5, 2012 · i tune my own 1997 Vortec 350 truck and have seen large gains in acceleration. My code reader The Vortec 454 engine had 7,439 cubic centimeters, or 454 cubic inches, of displacement, giving it the 454 or 7400 name. I'm pretty sure it is the same procedure as my '98 5. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. One black Lab in rear seat. Aug 24, 2022 · This generation includes the 396, 402, 427, and 454 engines. If you're willing to spring for premium the gains are even that much better. The Vortec 454 and 305/350 started in the trucks in 1996, so gains from 1996-2000 would suit your question as well. 25 intermetate pipes and 2. However, there are currently not as many aftermarket options for them in comparison to the Mark IV block. I'm a seasoned tech but have no experience with EFI tuning. Aug 20, 2015 · 234. Combo, Distributor, Ignition Box, Digital, Rev Limiter, Spark Plug Wires, Chevy, Small/Big Block, Kit. 7 knock sensor settings. Pre Vortec engines with Thunderbolt ignition systems; Mercruiser tune-up kit includes everything in one convenient package; Includes 8 NGK BR6FS Pre Vortec spark plugs, plug wires, distributor cap, rotor, 18-7844 fuel filter, 18-7824 oil filter and 8 oz. 4 Vortec Stats. 4Fuel injector replacement tips. Check out the PowerNation store for shirts, hats, Oct 5, 2020 · It gets you an EGR blockoff plate for the Vortec 4. 59. You would surely feel those gains. UltraPower 7. Dec 30, 2003 · C4 Tech/Performance - any suggestions on Vortec 454 performance upgrade - Currently have -Headers w/ dual exhaust -K&N filter -160thermo w/ Hypertech programmer looking for a good Alum Head, CAM, piston combo that will work best with the factory fuel injection. Sent from my iPhone using Tapatalk. I don't know about Vortec manifolds. It’s not all about horsepower! We take a Chevy 454 big block and dial in hard-hauling, heavy-pulling torque. in. Either a Walbro or ACDelco EP-241. $105. Check out custom tuners like BlackBear, Wheatly,PCM4Less, and NelsonPerformance. For Mercruiser 7. The Vortec 7400 L29 7. 1L V8, that’s where the “8100” in the name after all. Whats in the kit?. Apr 8, 2013 · Including PCM flashed for transplanted engines. Aug 24, 2021 · AZ. The 2002 express van came with the L31 that was used in the gmt400 platform, but with the 0411 computer, so it kinda bridges the gap of old to new. I worked on the heads for a couple months. The 454/4l80e combo will go forever though. Hey strangers. When I was researching what's all involved in getting to and replacing the fuel injectors, ther Jan 30, 2024 · Engine Configuration. It allegedly had under 20k miles, and was in storage for about 15 years. Feb 14, 2024 · L29 454 Vortec with 0411 swap - Timing at WOT. Includes everything you need to Super Tune your pickup truck, van and SUV! All kits consist of matched ACCEL custom fit wire set, ACCEL distributor cap & rotor and get the ACCEL U-Groove spark plugsFREE. I'm looking to attain more throttle response overall. I am committed here, I swapped my computer for a 0411. You would basically have to pull up a bin file with all of the 454 data and compare that to the one on the 0411. I recently went to an 0411 on my 1996 Chevy K2500 with a 454 and a 4L80E, I received the pinout from LexTech, as well as his kit with the 0411 and connectors. Each cylinder had a 107. Various performance chips and tuning modules are available, ranging from pre-programmed chips with preset settings to custom-tuned modules that can be fine-tuned for specific Step 2. You hook up a medium to high end scanner (one that is capable of reading the cam retard parameter. Jan 14, 2018 · I was going to suggest Summit cut-to-fit helical-wound plug wires; but they've got the wrong distributor-end boots for Vortec. Gains of 1/2 - 1 MPG. 5) Superchargers. Cold air intakes are simply intakes that route the filter away from the engine and towards the fenders. 3/4 and 1 ton as well as 1990 454SS 80 lb/hr injectors (9-13 psi low pressure fuel system) TBI 454 255hp @ 4000rpm 405 lb/ft torque @ 2400 rpm. 4) Camshaft Upgrades. 4 8. Probably one of the most common problems with the 7. I've looked up EFIlive through black bear tuning, but seems kind of ridiculous to pay Oct 2, 2020 · I have a motorhome that has a 98 vortec 454 and I need advice on repairing a EGR tube from the the drivers manifold to the EGR. Today I ran a few times on the dyno to create a baseline. I cut the section out and tried a high temp silicone replacement tube, but it lasted about 20 mins before it blew out as well. Jan 8, 2021 · Tips for adding power to a throttle body injected (TBI) Chevy 305, 350, or 454 V-8 engine. #1 · May 6, 2017. Nice starting point. Introduced in 1996, it was produced for five years, until replaced by the Vortec 8100. You will have to convert to an adjustable drive train with any after market camshaft. 1381 posts · Joined 2008. Oct 5, 2009 · SuperStepside. 7/8-14 UNF-2A THREAD) 12556597 gets you the cap that screws onto 12556596 and caps off the exhaust manifold. The 8100 has the LS firing order and makes it unnecessary to to reassign the firing order banks in the PCM. My 97 K3500 extended cab dually has 230,000 hard miles, so I bought a L29 7. 4/454 from a rolled suburban to rebuild and swap in. 4L 454 Vortec engine . What else would be advisable? Jul 4, 2013 · Vortec 454 has a factory roller cam. The Dyna-Module has more electronic dwell time set into it compared to a stock module. Jeff. Highly recommended like the other have stated! Mar 27, 2010 · 0411 swap on 99 Vortec 454. 3 Vortec engine is a V6 with 4. Jan 6, 2010 · The 12200411 PCM can be installed into the 96 to 2000 GMT400 trucks simply by repining the PCM connector terminals. The same cam with more lift, a tighter LSA, and straight up or advanced would be noticeably improved. MrShorty. 0 Vortec Engine Mods. , 0411PCM, COS3,4675LBS w/me in it. Feb 1, 2023 · Call it what you will, the 8100 was the result of GM bumping the Vortec 7400/454's 4. Oct 28, 2012 · after the swap, the idle is low a lextech tune installed i got the kit from him, havent done a crank relearn, idles 600 or so in gear, drop it in gear and it dies Mar 18, 2024 · CRT Performance's New 45K PowerBoost Ignition Upgrade to Revive your. Only engine mods are a short ram intake and cat-back exhaust, nothing major. At 4,600 RPM, it has 195 horsepower and 280 lb-ft of torque. These modifications will help to generate more horsepower without adversely Summit Racing™ Ignition Tune-Up Kit Pro Packs 06-0039. On Summi May 4, 2019 · I recently bought a 1999 3500 Crew Cab with the 7. I wanted to run it completely My tune isn't as refined as it should but it hasn't been top priority as my mom just lost her fight with cancer. Feb 5, 2023 · Steve Davis from Performance Distributors talks about how the Vortec Firepower Ignition Kit can improve your engine’s performance. 4L Vortec 454 7400 Engines. - High Performance 45K Volts Ignition coil - MORE SPARK = MORE POWER! 1996-2000 CHEVY / CHEVROLET 7. 4L/454 HEI Distributor Upgrade Kits and get Free Shipping on Orders Over $109 at Summit Racing! The Vortec 8100 is rather obviously an 8. Engine has replacement Brodix heads and a cam. Fits 1996-00 7. 0L/4L80-E base calibration and adjust for displacement and VE, and you've got yourself a combination that anyone with LS experience can tune. View Details. 412. This engine is known for its massive size and exceptional power output. Kits include 8mm custom fit Extreme 9000 wire set with Heat reflective Coat sparkplug boots rated at 1200 degrees F, and Ferro-Spiral core. Got a RR question. It was an eight-cylinder engine with a multi-port fuel injector, and each cylinder had two valves that were operated by hydraulic roller cams. 4. I still have a '76 GMC with a purpose built internally balanced 454 tow motor with a comp hyd roller, ported 049 oval ports, and a custom exhaust with x-pipe, backed up with HD NV4500 5 speed. 500 lift 113LSA), comp cams valve springs, 29lb/hr ls1 injectors and an 0411 pcm. “This kit is designed to improve performance and durability. It features a displacement of 454 cubic inches, which is equivalent to 7. 1704 posts · Joined 2006. Large data base of stock GM tunes. #5 · Dec 27, 2014. 0 inches. This will only fit Vortec Truck Engines with the crab cap shown in the picture! Included is a Blaster Ignition Coil (8231), 8. Finally got a programmer. 7l Vortec and 4l60E. It has 321,*** miles on it but runs like a champ. Hello, New member here from GMT400. Camshaft runs $306. Supercharger; Single or Twin-Turbochargers; Performance Camshafts; If you’re serious about adding more than just a little power to your 454 Vortec, forced induction and upgraded camshafts are really your only options. A cold air induction setup will feed the engine cooler and more oxygen-dense air. According to Bryan’s Garage, various Chevy 454 performance upgrades are available to boost the block V8’s operation, like cold air intake manifold, exhaust system, performance chip, ignition system, oil system, and windage trays. Oct 3, 2021 · Hi all, Going to start the tune process on my 3500. I'm using the stock 454 sensors, with the vortec 5. 454 gen v vortec swap. 5" straight pipe. HPTuners will not work on 97 and earlier trucks. Ive done one on a 1998 l31 350 but they did not offer the 454 in the express van. inj. Max hp is about 330 hp because of the limitations of the fuel injectors. Some in Jan 8, 2023 · I have not started this project , just bought an l29 truck yesterday. So far my plan was a Aem cold intake , chip it , new fuel pump, new alternator and possibly exhaust system. The sound, the power, they're awesome! Black Bear Performance is your GM tuning specialist, offering custom tuning services, ECM and TCM tuning, and performance enhancements for GM vehicles. . Would be better if there were a tuning Mar 9, 2012 · 96+ Vortec Performance + Computer Swaps. By the way, congrats on your good taste in powerplants. When I do I'd like to add a supercharger. Its a computer swap! The stock black box PCM that was found in 1996 to 2000 GMT400 trucks has a few shortcomings if you are using your truck in a high perfor Oct 5, 2020 · Those vortec 454's need the stock injectors replaced, if they haven't been already, and then lower intake manifold gaskets replaced every 125-150k, along with the fpr since you're in there. My truck has 480k KM on it. This is my "reference vehicle. I'm having issues with it now. These arent really peanut ports. Mississippi. I recently rebuilt the top end of my personal pickup's 454 (L29) and had a mail order tune done but something is off. I changed plugs, wires, distributor cap, ignition rotor, water pump, radiator, overflow tank, coolant hoses, timing kit, oil pan gasket, and fuel filterwhew! Oct 17, 2021 · 1997 K3500 454 Vortec Tune Up Parts Advice. I made a few posts on my 454 rebuild and hop-up in the general vortec thread that really should be in a new thread, so here it is. Cables are available if you want to purchase one. 12556596 gets you the part that screws into the drivers side exhaust manifold for EGR feed. Feb 5, 2024 · It may or may not. Oct 1, 2006 · I am a veteran of 5 big block duallies from a Q-jet, BG/Holley, TBI and two Vortecs. Install a high flow air filter and cold air induction intake. the express van is where I got the base calibration for the 411 with l31 350. For smooth functioning, the 4. Jeff Aug 16, 2010 · For Vortec engines, fuel injectors are rated at 19#/hr at 42. Despite reduced power, the 454 maintained strong torque, necessary for heavy-duty applications. 3/305/350 engines. " Forget that it gets 7-8mpg, it will Oct 2, 2022 · 6. Bottom end is stock. Aug 1, 2023 · The 4. Sep 10, 2023 · 1) Cold Air Intake Upgrades. The tube has been twisted and now has a good sized hole blown through it. I recently caught the bug for these superchargers after seeing some online that had the Whipple supercharger. You sinply push the pins out of the blackbox PCM and insert them into teh correct position 7. Sort by Oldest first. The Gen V and Gen VI blocks are growing in popularity. 7. Its part of RPO NM8 as are the following 2 parts. 1 Vortec as a diesel alternative for its GM pickup truck line-up. to the cats the IIR 2. I feel the 454 is capable of approaching 20 mpg much closer than it is with better tuning. The 350 Vortec runs 100x better with a tune and the big block, by the looks of things, is no different. org Oct 2, 2022 · If not, custom e-tuning is a great option. 1) Engine Tuning. The EGR function is complicated and shutting it off might set off the knock sensors. work for you in your case, depending upon how all your other variables stack up. 24 inches x 3 on the intake side. You might find a universal harness meant for ls swaps, but it would likely require swapping in your connectors. Custom tuning for stock, transplant, conversion or high performance built engines 1996 to 2000. 00-inch stroke to 4. I suspect sometime fairly soon I'll have to rebuild it. Best 6. The engine is a 99 Vortec 454 in a K2500. 4L ECM Benefits: Gains of 40-45 HP and 45-50 lb-ft torque depending on existing upgrades. Try Holdencrazy. 1999 L29 7. 6-mm stroke. The 1500's have 1 7/8'' the is some times flatteded to corss under trans. 4 0411 swapped still needs a basic tune that works. 75 tail pipe. Disabling of emissions systems (for competition or off road use only) Custom tuned for modifications such as aftermarket camshafts, exhaust, air intake, tire size Amazon Affiliate Link to Spark Plug Wires: https://amzn. 86. Camshafts are great mods but there are a few things you Jun 15, 2023 · Once installed, it can adjust various Vortec engine parameters to increase the 454 engine horsepower, torque, cylinder head, and total performance of platform trucks. Mark IV = 1965-1990 ( Classic BBC) Gen V = 1991-1995 (this is the one that takes alot for $ to get the good Mark IV topend on) Gen VI = 1996-2000 (This is the "real" successor to the Mark IV, parts interchange better. 480" on a 115 LSA but retarded some. 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. « Reply #2 on: August 24, 2011, 12:00:44 AM ». 4L vortec for my 97 K3500 dually. Mar 2, 2022 · Hi, im after a base tune for a 0411 swapped Vortec 454 4l80e , basically stock, has a Mercruiser Magnum cam ( tow cam ) & 9. 4L V8 VORTEC ENGINE. What are some of the things i should be doing to it first for performance wise. 4l 454 411 pcm swap. I have a Gen6 with mild cam, LS1 injectors, and tune. August 2nd, 2016 #9. 5mm Super Conductor Spark Plug Wire Set (32109) and an MSD Cap & Rotor Kit (8017). It seems like the settings are adequately sensitive. See full list on chevytrucks. StarTron gasoline additive Nov 14, 2019 · 240. 8 Vortec upgrades is a cold air intake. Ed Wright has seen gains of 36 rwhp and 60 rwtq on a Vortec 454 truck and this was on 87 octane. #2 · Oct 5, 2009. The amount left on the table on trucks in general is just insane. to/2VOQHDXAmazon Affiliate Link to Spark Plugs: https://amzn. Prevents over-pressurizing the heater core. Rancho skid-plate. It has a Comp Cams 01-415-8 (218/224 . 4l 454 Vortec Ignition Tune Up Kit 45k Upgrade Hp Torque. 4 liters. Internal Upgrades and Supporting Mods. Aug 4, 2014 · I have a K2500 Suburban with the 7. What sort of upgraded throttle bodies is everyone using for their 454? I have read that any cable actuated TB with the same bolt pattern will work, so assume that opens up OEM options. Dec 17, 2010 · M. 8 posts · Joined 2017. Supporting Mods. When you put a sharp tune on that 454 it will. 4 Vortec Big Power Mods. I bought the wiring diagram, PCM, and new Last time I showed you guys the wiring process of converting this 1999 K2500 Big Block Truck from the black box PCM to the more powerful 0411 LS1 style ECM. or at least several electronic parts. There should be square bore intakes available for these, search gen 6 454 on summit. 480"/. 4L - 0411 swap. Nov 14, 2020 · 2000 Chevy K3500 Vortec 454 7. 3 posts · Joined 2014. modifications thus far consist of cam swap /edlebrock 2162 500/500 112 degree LS, Edlebrock tube headers running into stock single exhaust, TBI harris towmaster chip. 4 1996-2000 - Truck: Tune-Up Kits - Amazon. Location. 2) Long-tube Headers & Cat-Back Exhaust Systems. Initially boasting up to 450 hp, later models produced around 230 hp. Look at a 01 or 02 Chevy express 2500. 4 vortec, or L29. Jul 10, 2021 · Driving from Salt Lake to Denver yesterday it was triple digit hot and my ole Suburban didn’t fare well…. Stock 454 cam isn't bad, I think it was 208/208 . to/30OvUnSAmazon Affiliate Link Spark Pl My K2500 Suburban is powered by a vortec big block, aka 7. I have been reading for a long time now and I find several similar topics and they all just end with no resolution. I followed his pinout to a T, although I did make a few 0411 PCM swap on Vortec 454. March 27th, 2012 #7. Reaction score. Starter tunes are built for your vehicle, there are no one size fits all off shelf here. It was primarily used in Chevrolet trucks and high-performance muscle cars during Vortec 454 rough starting and idling. To find out just how much the 30-year-old behemoth could muster, they took it to Westech Performance’s dyno room. I've needed to do this for years now for the speedometer, but the transmission acting up is what finally got me to do it. 37, thanks to longer connecting rods and a block with taller decks. The 96-97 trucks arent supported. Stick with the 350 injectors and get an adjustable fuel pressure regulator and a high flow fuel pump. Found this on another site: TBI L19 454 230 hp @ 3600 385 lb/ft torque @ 1600 rpm. You could use 2 laptops, maybe 2 hours of changing and checking settings. For further fine tuning you will need a laptop to record data. Contact us for horsepower and torque gains today. It runs okay , but i want it to run great . PCM was from a 2001 Express van, with 350 Vortec and 4L80E. 4 vortec is a hard start cond May 17, 2013 · I downloaded a stock tune for a 454 Vortec and it's garbage. The truck has 210,000 miles on it and runs great. I was wondering has anyone tried to do the 411pcm swap on the l29 454 with the black box pcm. If tested. 4 V8 Vortec engines. feel like you are driving downhill with a tailwind pretty much 100% of the time. You need to swap your BLACKBOX Vortec 96-97 PCM for a 411 PCM and use a base calibration file for a 2001-2002 GMC Savana or CHev Express van as these vans used teh older Vortec 305,350 and were conrolled by the 411 PCM. Jul 18, 2014 · Has anyone tried tuning their vortec 350/454 with a laptop? What application do you use? Is there an OBD2 cable to buy? The reason I'm asking is I'd like to start tuning myself after my rebuild is complete. The MAF is set to fail on first code, Fail freq=0 for VE tuning yet. The 1974 Chevy 454 engine is a V8 engine that belongs to the Big Block engine family. My truck is a 1999 k2500 ccsb with a 454. 454SS (91-93) and 94-95 3/4 and 1 ton trucks used 90 lb/hr injectors at 28-32 psi Sep 3, 2012 · so i have my 1997 Suburban k 2500 7. Operating system 1283002. It has an ohv configuration with two valves per cylinder and a bore and stroke of 4. Find the pinout on the blackbox that you have. df xo ug da ty ea zd vk ra nn