06-02-2017, 08:05 PM
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CC Member
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Join Date: Feb 2012
Location: Keller,
TX
Cobra Make, Engine: Lonestar Classics LS427. Self-built 408W, AFR 195 heads, Performer RPM Intake, Quick Fuel 750, 407rwhp, 479rwtq
Posts: 549
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Not Ranked
Wow, old post resurrected. I guess I never came back to post what it was (but other posts detail my problem). Ended up being two broken valve springs and seven worn intake valve guides.
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