
01-19-2018, 07:30 PM
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CC Member
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Join Date: May 2006
Location: St. Louisville,
Oh
Cobra Make, Engine: A&C 67 427 cobra SB
Posts: 2,446
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Not Ranked
There was a link to a video some years back that showed a valve spring through a dyno pull. It was all over the place and never lost control keeping the valves closed. I cannot remember what type of spring it was. If that is typical, I have no clue how they last.
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