Thread: Headers to suit 68 GTO 400 with Edelbrock 60599 heads.
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Old 10-20-2016, 11:24 PM
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Old Man Taylor Old Man Taylor is offline
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I have the 1 7/8" Doug's on my racecar. It is a 505 that has run in the 9's. You would probably be OK with 1 3/4", but the Doug's are still a good choice.

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