sd/ol tuned warm up going lean after about 145 degress

Add Spark Torque Management Type, ETC Torque Management Type, and Fuel Cut Type to your channels. See if that will tell you anything.

Cringer i did disable burst knock but dont think that was the issue. Also slowly getting the vve table dialed in busy lately thanks for the help. I do think I?ve developed a vacuume leak as theottle hange is getting worse and every now and then revs up when hit breaks in parking lot, thinking i have a booster leak.

Ls rod i will try that on my next log

Has anyone cam across a booster leak and how to test

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Originally Posted by Stealthy93

Ok I?ll look those over again but the issue is low rpm medium to high load (like start off from stop) the spark will go into the negatives

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I'd bet this does something.