Back to the Throttle
By Don Terrill (c)2005

"I can build more power than you can hook."
---Stock Car Engine Builder

"Nope, I can hook anything you can build."
---Car Owner, Driver The Chevy SB2 head will move the torque peak up 500-600 rpm when compared to 18 degree head - which is no slouch.
Bigger/Better intakes - Not as dramatic as cylinder heads, but still a move in the right

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Source: Raceology - Science of Auto Racing
Technical Column by Don Terrill