Ls3 idle timing
Best graph to show percentage change
I swapped a LS3/T56 into my 81 Camaro and finally got it started a few weeks ago. It's got a decent cam with headers and full exhaust and is making 540hp at the crank. This is my first LS motor so I have a few questions: 1) my engine is bogging or hesitating for a few seconds when I come off idle during hot weather. It's a little better on ...
If the idle is still unacceptable then try adjusting the timing. Be careful of adding to much timing - it can give a great no load idle, but with any kind of load will become erratic. A "hunting" idle is a sure sign of too much timing. To adjust the timing at idle the base spark tables are the easiest place.