Engine cut out after turbo kit install
07-08-2012 | 09:08 PM
#33
On The Tree
Joined: Nov 2011
Posts: 189
Likes: 0
From: Montgomery, Al
changed my gaps to .029, took the truck out to today to get some misfire readings while pulling a load and wow they were all over the place, i can get a 10psi run but h ave to be running around 55mph and it will cuttout and buck and pop until i reach around 7psi then it clears up and takes off, but really anything under 55mph i really cant build enough boost to clear it up it seems like, i just keep seeing my wideband read 10:1 when i mash it, i got some fuel pressure readings, at idle it is around 48psi, at a cruise its around 55psi, and when i mash it it jumps to around 60psi and at a 10psi run it floats down to around 53psi at WOT throttle
and I know less about speed density then i do about what i am doing with the truck now and right now im lost, got any good right ups about SD?
and I know less about speed density then i do about what i am doing with the truck now and right now im lost, got any good right ups about SD?
07-08-2012 | 09:14 PM
#34
You must be extremely rich, or have no timing. I'm guessing your doing tuning yourself..... you need to work on the fueling. I am no tuner, and do not tune my truck. However I have had the exact same issues, and had the exact same replies saying spark plugs. Turns out I was just running pig rich at 8:1, even at 10.5:1 my heavy truck does exactly what you are describing.
07-09-2012 | 07:14 AM
#35
On The Tree
Joined: Nov 2011
Posts: 189
Likes: 0
From: Montgomery, Al
07-09-2012 | 07:33 AM
#36
This is back when my converter was a 3c, so excuse the excessive rpm's. This was around 10:1 with 10 degrees of timing. Note that it has been a lot worse, to the point of being very similar to what the OP was describing.
Cutting out - YouTube
Cutting out - YouTube
07-09-2012 | 05:56 PM
#37
Thread Starter
On The Tree
Joined: Aug 2011
Posts: 106
Likes: 0
Im not bumping up the boost, the truck is set up to run 10psi, and its a nelson performance tune (which i have been going back and forth with Ray and he is being very helpful in trying to diagnose), and my wideband is pegging 10:1 i dont no if its going and richer im guessing my gauge is pegging out, it sounds similar to the video only about 10 times worse
07-09-2012 | 07:57 PM
#38
On The Tree
Joined: Nov 2011
Posts: 189
Likes: 0
From: Montgomery, Al
Im not bumping up the boost, the truck is set up to run 10psi, and its a nelson performance tune (which i have been going back and forth with Ray and he is being very helpful in trying to diagnose), and my wideband is pegging 10:1 i dont no if its going and richer im guessing my gauge is pegging out, it sounds similar to the video only about 10 times worse
Had a tuner that was interested in my money, not so much on my 6,000 pound truck that I wanted to have fun with.
Last edited by holley2346; 07-09-2012 at 08:22 PM.
