05-26-2019, 03:51 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,389
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Not Ranked
They have been tested to 7500 rpm with valve springs over 500 lbs open with my 390 dyno mule. Hydraulic roller camshaft.
https://m.youtube.com/watch?v=C_JY47anClA
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www.lykinsmotorsports.com
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