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Old 03-08-2021, 08:10 AM
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patrickt patrickt is offline
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Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
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What a great question. An all-iron FE is most likely going to have an "old school" gap. I would set them COLD at .022" and then take it for a nice long drive and listen and feel how it behaves. Then try going up .002" and then going down .002" and see what you hear and feel. I think you'll be in the ballpark though right out of the gate. And as a rough rule, the COLD lash on an all iron FE is going to be about the same, or maybe .002" more, than the HOT lash. I hate lashing hot engines, I always do mine cold.

Last edited by patrickt; 03-08-2021 at 08:17 AM.. Reason: Got it backwards
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