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Old 05-22-2014, 10:00 PM   #40
K10 STEPSIDE
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Join Date: Nov 2013
Location: galesville WI
Posts: 91
Re: LS LM7 swap start

programming help needed.
Alright, I am trying to finish the swap tonight/tomorrow. My only issue right now is with the computer or so I think. the only other thing I can think of is a fuel pressure drop. So I'm going to be at this till she runs like a top.

The good
engine starts and idles great

the problem happens at about 2000 rpms no matter what. the engine cuts power and and dies about 900 and rises back up. I logged a run of it and have been studying it. I took a screen shot of an area. So what do you guys see should I be looking at the fuel system or the computer.
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1967 chevy K10 step
2002 chevy Impala

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