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Yea is a custom build set up wires go under the headers with re location of coils. They look good gonna change plugs again. How do you check secondary misfire?

Thank you for the good advise I was seeing it was 56 to 58 on cruise and wondered that. I'll look through it and try to smooth it out ve and try it again. Darn thought I had abuse mode completely...

hello i did a dyno pull but even when im cruising my car is bouncing and jerking idk if its the tune or 3700 stall from tci. its about 2000-3000 rpm you can see it jerking and idk how to fix it. any...

The tuning school is worth it if you wanna learn to tune

Post tunes and run logs and what done to engine

For anyone having this same issue I think I found it been a few hours and hasn't done it on multiple start ups the higher the number the quicker you throttle falls in park or neutral. Idle -airflow...

Ok I'll give that a try and see what happends thanks for input and taking the time

Have you had suspension work done to your vehicle. I had lowered Silverado did the same thing and it was very clear there no knock. Add higher octane and lower timing to help rule it out and make...

From the first motor since back when i went to sd and deleted the maf ive had the same problem. The idle will just jump to 2500rpm and hang for almost a minute in park and drive.9535995360 ive got...

Okay so I have a 71 Camaro engines on hard mounts basically a race car on the street every time I hit a bump knock sensors go off been working with the tuning school on at which they are absolutely...

I'll look at that I know he has a aftermarket regulator so I'll check the boost referance and make sure it's a return style and get back 2 you thank you

hi so my buddy just droped like 16k on his car at beginning of summer this thing runs like a bat out of hell but the idle is shitmost of the time and then it will clear up sometimes. he took it back...

Thank you so much for looking into it for me

Hi I got a 99 gmc 5.3 in a 3400lbs 71 Camaro with comp cams custom grind cam, twin 72mm turbos . Apr head studs and ring gaped to 32. 3700 stall with 4l80e running e85(tested e87) so my question is...

Ok thank you

Hi I know that adding fuel pressure to your 80lb deka injectors you can get a little extra out of them. if I wanted to crank my fuel system up to a hundred PSI or 90 PSI do I have to add a new flow...

Also if anybody's making 700 + horsepower can you please post your tune I would like to just look at the timing table and see how it goes I've been Jack in the morning and have a lot of knock issues....

Hi I was wondering if anyone has any other ideas to get my fuel trims down I was messing with the pw I'm at .122 now and I'm still like 30% off. These injectors run great at wot just shitty for...

thx

kinda weird i wrote them all down by hand tryed to start the car and it wouldn't start i flashed it back to my orignal and it started so it must change something important so im just leaving it alone...

yea i had to take the other tune cause mine was only 2 bar capable and I needed a 3 bar. hptuners had the 3 bar greyed out on my end and that's what hptuners told me to do at my own risk of bricking...

so i wanted a 3 bar map sensor on my 99 gmc 5.3. so i copied and licensed a new supposedly stock tune from the respory with a 3 bar map and a 4l80e transmission. my 411 pcm took the tune no problem...

anyone have this operating system with the 4l80e and 3 bar im in need also.
thx

I have the tuning school lv1 which is $500 I paid asking $450 if your intrested let me know. i took my car to a tuner.

wide band error % graph is not reading data but my wideband seems to be working any help me fix this.