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Old 03-13-2020, 12:58 PM   #14
flatheadmurre
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Join Date: Apr 2015
Location: Sweden
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Default Re: Stock versus Performance Cams

Zephyr springs isnīt that much tougher then the stock springs...i can measure a couple but if i remember right in the 60lbs neighbourhood...
Then there`s a lot of different things sold as "Zephyr" springs out there...
Stock 40lbs-Zephyr 60lbs-185G 85lbs...coarse estimate without any warranty...
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