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I have an LSX 376 on the engine dyno running a 2008 6.0 ECM. when the engine is not running the throttle will open 100% but when i do a WOT pull the blades only open around 50%. This is a physical...

well. i upgraded the fuel rail and it got a bit better. the fuel pump sounded better and no pressure drop at wot but i then replaced the TR6 plugs with some delco's for a Z06 with a .025 gap and the...

the plug gap is .030. the problem is i've done a few of these and have never had this problem. i've also never tried to use the stock fuel rail with an A1000 pump. i think i may just need to replace...

i think the afr isn't correct either if you're viewing my log. it looks like it may be off one whole number according to my dynojet WB

here's another one where the boost is holding at 8ps1 and the dyno is showing bigtime power losses above 4k rpm. like 50 less hp. could it be the stock fuel rail or regulator? i've got an A1000 pump...

on this particular run the engine has no trouble until 5000-5200 rpm. then it sort of levels or smooths out if that makes any sense. its almost as if it hits a rev limit. it's making 600hp right now...

it does seem like it's a spark issue. thanks for the advice. we'll see if i can figure it out shortly! i'll let you know.

greetings. i have a 1999 2wd with an iron 383 and 4l80e trans and it seems to be breaking up in boost and now a bit when not in boost. i'm running a single Borg Warner turbo with the 3BAR flash and...

i have an LC-1 6 wire wideband and there is no green wire to hook up to the hp interface. has anyone seen this or know how to make this work???

unfortunately not. i'm trying to make the best with what i have. today i will try to bump the p/e tables up. that's the only thing i can think of left to do... trucks are what i work on the most and...

greetings again. i have an L92 Sierra Denali at our shop and i got it tuned perfectly with the VE equation generator i was led to find here. my only problem is that now we've built the engine and are...

i seriously did that to EVERY shift table and it had no effect. i gave up, took it off the dyno and put it on the street.

i got it nailed down finally. i never thought a single turbo would change VE that much when not in boost but it does. the truck drives like a rocket at 5psi. he said later we'd get a meth kit and do...

the trans settings did not work. i also tried the WOT shift speed table for TUTD and put all of those figures in the 10 mph range with no help. i just can't figure out where the TCM is pulling the...

that makes sense with the trans stuff. do you know of a thread or something to further explain the VE tables and zones and such???

now i have a whole different set of problems. the trans shifts regardless of paddle shift positions which i think i can handle but the main thing is that i guess the turbo and cat conv deletion has...

i've got it going now. it seems to be doing really well. i just need to lean it out a bit. we're at 5psi and this thing feels crazy on the street. i just want to tune it safely so the compression...

greetings, i'm am new to this forum but have looked from the outside in to find many answers in the past. now i have a question that i couldn't find an answer to: we have installed a single turbo on...