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rygenstormlocke · 09-18-2006, 06:24 PM

Actually its the other way around. 11.2 is fater, the higher the number the leaner your tune. Lean gives you more power, and can lead to detonation and popped pistons. I'm not sure what is acceptable NA for AFR, but as long as you are not pinging, you should be ok.

09-18-2006, 06:24 PM	#25
rygenstormlocke 6th Gear Member Join Date: Jul 2005 Posts: 5,115	RE: Track Times & Dyno #'s - 4.0L Actually its the other way around. 11.2 is fater, the higher the number the leaner your tune. Lean gives you more power, and can lead to detonation and popped pistons. I'm not sure what is acceptable NA for AFR, but as long as you are not pinging, you should be ok. __________________ Best 1/4: 10.97@122.09, 1.56 60ft w/4.0 V6 Best 1/4: 11.23@117.11, 1.58 60ft w/5.4 V8 www.rygen.net/stang