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Old 08-19-2025, 10:10 AM
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Elarson Elarson is offline
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Join Date: Aug 2006
Location: Dayton, OH
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Originally Posted by Elarson View Post
My road race engine has 330 cfm Hi Ports, 10.5:1 compression and a 3/4 race (hahaha) SFT cam. On the dyno, it made best power at 36 degrees. We tried 37 deg and power was a bit less. That was on a 50/50 mix of VP 110 and 90 octane pump gas. I'm going to run it at 34 degrees for a long happy life.

FWIW,
Eric
I don't have the dyno sheets here with me, but as I recall, the power difference from 34-36-37 deg pulls was only about 5 hp. In other words, not enough to make an 0.8 sec difference in drag race ET.

Eric

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