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Old 08-30-2016, 09:21 PM
Prof Prof is offline
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Join Date: Aug 2008
Location: Dallas, TX
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When Keith Craft built my 331 SBF, it was highly recommended and cost very little. He said in a Cobra 427 w stiff motor mounts, an old guy like me will be bothered by the slight vibration it causes. So I sent it along when the engine parts were shipped (out of Plano TX at the time).
Paul
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