Until recently, I was always happy with aiming for 12.5-12.8:1 on my boosted cars, when tuning. However recently someone who's opinion I value as a tuner has said he perfers, at least for safety, to use high 11's to 12.0:1 for tuning. Keep in mind, the engine is a stock internal motor.

What is your take on this? What does everyone here perfer?

 

Im specificly interested in what you have to say about a/f Jason, if you would be willing to educate the newbies, IE myself.

 

My basis for saying 12.5-12.8:1 are all from reading. I have limited real-world expierence with tuning on a dyno. Most of mine has been adding fuel until I feel safe with the EGT and narrowband Which until recently when the egt broke has been very sucessful.

 

Hell, until recently, I've always been interested in peak numbers, and stretching the powerband as far UP in the RPM range as possible. Im still quite the novice at all this. As it's pretty evident.