Originally Posted By: Warstud
What's the reason for changing the timing in the first place?
First you advance the timing now you retard it...I don't get it.
If it's stock...stick with the GM specs and leave it.
When I first got the car I was running nothing but 94 octane, and I had it dyno tuned to take full advantage of the extra timing, and so we were able to make a little bit more horsepower this way. Now that I've decided to run Shell 91 octane instead, I have brought that timing curve back down again.
What's the reason for changing the timing in the first place?
First you advance the timing now you retard it...I don't get it.
If it's stock...stick with the GM specs and leave it.
When I first got the car I was running nothing but 94 octane, and I had it dyno tuned to take full advantage of the extra timing, and so we were able to make a little bit more horsepower this way. Now that I've decided to run Shell 91 octane instead, I have brought that timing curve back down again.