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Old 03-23-2018
cgornowich cgornowich is offline
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Join Date: Apr 2012
Location: Front Royal, VA
Posts: 15
Default Lean?

The way Jim at JDM explained it to me was that 11.0:1 was the goal, and a few tenths over was fine. Too close to 10.5 is a little rich and above 11.5 is a little lean, which means hotter and heat is enemy of blowers.

She has great throttle response and ran fine until a few rods just got tired and quit. My bad for running so much boost on a stock bottom end. It's probably not too bad on the street, but at the track (HPDE, not real wheel to wheel) where one just hammers it for 10 minutes at a time it really shows the weak points...

Last edited by cgornowich; 03-23-2018 at 05:26 PM.
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