#11

06-21-2018, 09:47 PM

PAUL K

Ultimate Warrior

Join Date: Feb 2004

Location: Sugar Grove IL USA

Posts: 7,441

Quote:

Originally Posted by BruceWilkie

Who's wideport was it then? I didn't memorize it. Std Butler wideport vs STD cv1?
Regardless the cv1 made more power.

87 cc E-head converted by Butler to their CNC wideport and then touched up by Knowlton.... starting out life as an 87 cc head, definitely would've held them back a few horsepower compared to a 72cc head. Interesting read though. I believe all involved tried their best.

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Last edited by PAUL K; 06-21-2018 at 10:00 PM.

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