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MikeD930 MikeD930 is offline
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Join Date: Apr 2008
Location: missouri
Posts: 1,565
Yep, E-man knows what he is talking about regarding the exh studs. I would use ARP studs, too.

As for the drill bit...the only suggestion I can make is to use carbide drill bit (don't know correct size). It will cut through almost anything. Just don't break the drill bit! Use cutting fluid with firm pressure backing it out every few seconds.
'87 930
Old 06-09-2011, 12:47 PM
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