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Old 06-02-2003, 04:13 PM
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65 Blur 65 Blur is offline
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Join Date: Sep 2002
Location: Star, ID
Cobra Make, Engine: Butler '65 AC Cobra original replica, replica Ford SBC Engine
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When I was doing research for my engine I ran across the same question. The double roller was the easy choice.

The cost / benifit for the gear drive was not there, and if you are not careful, there are issues with crank harmonics transmitting to the valve train with the gear.

Roy
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