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Old 11-08-2004, 08:43 PM   #9
shortymac83
hmm...
 
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Join Date: Jan 2004
Location: Culver, Indiana
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I've used pipe plugs on olds 307's for the same reason. HOlds up fine, but don't use any kind of pipe sealer goo or silicone unless you want to hear some whistling, I used the high temp silicone stuff, still melted and made a godawful whistling on a client's car.
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