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Type: Posts; User: Sharkey

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    8.1l tuneing for 90mm throttle body

    working on a 2002 avalanche 2500 with an 8.1l 4l85e. customer supplied me with a raylar engineering ported intake manifold and 90mm 6 wire throttle body (believe its an ls2). also installed headers...
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    i ended up using the ctsv operating system and...

    i ended up using the ctsv operating system and everything worked out.
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    imo, if the car ran fine for a couple months...

    imo, if the car ran fine for a couple months after putting the zzp tune in, then your problem is likely not the tune.
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    yea its fixed, got it briefly fired. have to...

    yea its fixed, got it briefly fired. have to finish welding the upper rad pipe and air intake before i can run it long.

    i have the fan wired up, i can toggle it on and off. i set the table to...
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    well nevermind. feel like a total dumbass. the...

    well nevermind. feel like a total dumbass. the wiring diagram i have isnt clear on fuel pump output, and i had it wired assuming the ecm supplies ground. i cant say i recall seeing a gm ecm...
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    ive already removed pin 50 and grounded it and...

    ive already removed pin 50 and grounded it and the fuel pump turns on. relay and all works fine. i am correct that the ecm supplies ground to the relay coil to trigger it, am i not? cant say ive seen...
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    still no change, its still not working. i tried...

    still no change, its still not working. i tried the secondary fuel pump output and it didnt work either
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    yea its set on fixed. all my settings are very...

    yea its set on fixed. all my settings are very close to what you have there. funny thing about this is the vehicle it this was all in (2010 express van) did not have a fpcm, it was set for a fixed...
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    its a 53 chevy pickup, power for the fuel pump...

    its a 53 chevy pickup, power for the fuel pump relay (and main power relay) are pulled from the back of the alternator. i can jump the fuel pump relay and it powers the pump. when hooking negative...
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    I initially had a p0230 code (fuel pump relay...

    I initially had a p0230 code (fuel pump relay circuit) right from the start, I removed the code without really thinking about it. Even then I had no fuel pump, so I don't think it's the problem, but...
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    2010 6.0l e38 ecm wont turn fuel pump on

    im finishing up a swap right now and having is fuel pump issues. the engine is a 2010 6.0l with a 4l60e, e38/t42 combo. the problem im having is the fuel pump wont turn on, it wont prime, and in the...
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    long story short i started working for a shop...

    long story short i started working for a shop that was building this car, its 98% complete now. car owner supplied an erod crate engine, shop owner looked into it and everyone he talked to said it...
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    i may have found my problem. the original tune...

    i may have found my problem. the original tune used 2 maf frequency tables (high and low) and the new file uses one table. basicly it just didnt copy over, had to manually enter it. the gmpp crate...
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    here is the tune, along with the tune i copied...

    here is the tune, along with the tune i copied from. the 64 corvette.hpt file is the original
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    ls3 wont stay running

    working on a 64 corvette with an ls3 crate engine with e67 ecm and 6l80 transmission. i had communication problems initially as the e67 was a gmpp crate engine controller (not can bus enabled), and...
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    ls3 and 6l80 swap communication problems

    im hoping somebody here can steer me in the correct direction. this project was started long before i began working at this shop and now im the one that has to pick up the pieces and get it to work....
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    multiple cables one laptop

    ive started working for a shop that has their own hpt cable, however they dont have a laptop. im using my laptop with their cable and i keep getting an error when i try to read or data log, something...
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    well we are giving up on running a stock...

    well we are giving up on running a stock computer. due to a lack of info and time constaints (the truck leaves tuesday for the goodguys show) we are putting a tci ez-tcu into it.
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    ok so hp tuners supports says a segment swap isnt...

    ok so hp tuners supports says a segment swap isnt possible. does anyone know how i can make this work? would i be able to swap in a t42 tcm from a truck with a 4l80e?

    im stuck here. any help or...
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    are e series pcm's supported for segment swaps...

    are e series pcm's supported for segment swaps now? im dealing with an e67/t42 combo from a trailblazer ss, im needing it to run a 4l80e. ive read about people having segment swaps done, ive even got...
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    does anyone have any input? ive found out a...

    does anyone have any input? ive found out a little about the relay/resistor setup with the 4l60e segment, but id rather not go that way. any info would be great
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    its an interesting motor for sure. everyone seems...

    its an interesting motor for sure. everyone seems rather hung up on the direct injection, all i can say is look at the LNF (2.0l turbo ecotec). the cars are 260hp stock, with larger turbos and stock...
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    tbss 4l80 swap, sort of

    ive been asked by a local hot rod shop to give them a hand with a project of theirs. its a 58 chevy pickup with an 07 trailblazer ss 6.0l engine and 4l80e. they have had a wiring harness built for...
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    i may be wrong here, but i believe the stage 3...

    i may be wrong here, but i believe the stage 3 pcm is a different operating system thats not supported by hp tuners. this is why hp tuners is unable to tune the stage 3 computer.
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    when dfco comes on fuel trims are not updated....

    when dfco comes on fuel trims are not updated. dfco doesnt come on right away when you lift your foot, fuel trims under decel get updated, then dfco comes on. in the case of what was happening with...
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