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this is true, but a quick WOT log shouldn't hurt anything.
now pass after pass of WOT hotlapping, will probably put a hole in the piston.

Ok,
you need to tune your VE table. So you have the vehicle set up for SD. This means no input from the MAF will tell the computer to add or subtract fuel. Right now you are running on the VE table...

you need fuel trims and lt and st and o2s to be on

you can rent a fuel pressure tester kit from autoozne and oraylies and return it for free.

The ECm/computer from whatever vehicle it came from is tuned for that specific vehicle.
As soon as you...

With your knowledge, what is a good quality regulator that will do this reliably ?

HOnestly, have it dyno tuned by a reputable shop.

If youre still learning, ou cans ee what they did, and learn as you go.
But, right up front with a new build, pay the man to get it up and...

didyou start with this thread? https://forum.hptuners.com/showthread.php?36318-Idle-Tuning-How-To-amp-Guide-(w-pictures)

try not to mess with anything until you get it to idle.
And actually idle is the last thing you want to start tuning with.
meaning, dont focus so much on the idle, but the ability to get it to...

uploaded #9 and sent you the log

for some reason gmail said it was too big and youd have to download it off the link.

what is not stock?

If you load the completely stock tune does it do it or no?

uploaded #8 and sent you the log

well i hope the dyno tuner did something the normal person cant do. the shop he works at is one of the top corvette go fast places in the country.
I started truck, 1200 rpms, solid, very little...

ill look more in the am

just did a quick look
i didnt see anything crazy. It, the afr does move a bit, but thats pretty normal.
What i did see is 10. AFR being comanded and 14.12 or so while in cruise.
What fuel are you...

can you post up a log so we can see what its doing, and be able to see your settins.,

uploaded your latest and went for a quick ride around the block.
was able to let it idle and two WOT runs up to 60 mph.

Ran and drove fine, idled nice. made about 10 stops, didn't feel anything...

i saw your email a few minutes ago. No i have not uploaded your latest.
I only drove a few minutes, around the block, the vehicle appeared fine, as in it was idling when it was supposed to.
to me...

so curiosity got me.
i uploaded an earlier unmodified tune and it idles fine, drives fine, nearly no issues. I say nearly because its not perfect :)

here is the tune, here is the log.


this...

1 no tapping the throttle raised it up and it never came down. I turned the engine off.
2 throttle body was brand new GM, been working fine since i installed it. Jun 23, 2023 was when i installed...

i uploaded yours to try.
it surged in idle from about 800 to 1300 for nearly exactly 2 mins, then went near steady idle of 1200
check out the log

145718

i didnt see this until now.
before i try yours, i pulled 30% of VEE and VT down low at idle.
I also multiplied by 50% half the fuel trims i had logged in the VEE.
And modified the MAF via the log...

no need for more posts on the same thing.
we all see you, but you havent provided what we need to see to help you.
So, help us, help you.

Every change you make, such as replaced the spark plugs, you need to run a log and post it here for us to see.
Your tune and your data log needs to be posted.

Or else we are like slow-poke...

1 hour and 12 minute log

idle same 1200.
at end, in my driveway, in park, goes up to 1400 rpms

i guess its too big to upload

will mail to you higgins

Currently have both positive and negative cables together to drain any power from capacitors or anything like that.
Will keep them like that for approx 15 mins.
Will rehook up battery, key on,...