Quote:
Originally Posted by asphaltgambler
It works really well in modern engines with modern combustion chambers, optimized port velocity. It is a serious tuning challenge with older designs like hemi or large chambers with domed pistons.
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I notice a big drop in pop when I couldn't get straight gas and put in E15. I think I may head to the airport with a drum and fill it up with av gas.
The 911 engine is a hemi no? The combustion chamber is not flat, domed shaped so its a hemi right?