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Old 05-17-2002, 08:37 AM
grumpy grumpy is offline
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Join Date: Mar 2002
Location: Plantersville, TX
Cobra Make, Engine: Self Built, 427 USRRC, 427FE, Toploader
Posts: 583
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On our 4n24 style flanged, we've had excellent luck with 1/8" aluminum w/ULTRACopper on eachside. Never any leaks or bolt loosening, that's what you're looking for.

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