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3 Post By zrayr

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#6 (permalink)

11-13-2014, 08:12 AM

Bill D

CC Member

Join Date: Jul 2006

Location: Redding, CA

Cobra Make, Engine: FFR chassis and suspension, Mr. Bruce 289 FIA body

Posts: 1,066

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Quote:

Originally Posted by eedeutsch

Look into COMP "thumper" cams.

You can not run the Thumper cams with Webers. Webers are very finicky when it comes to lobe separation angle (LSA) and duration and overlap. Large lumpy cams cause reversion which disrupts the flow in individual runner (IR) induction systems.

Thumper cams are junk and were made for the sound, not performance

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