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hobieboy hobieboy is offline
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Join Date: May 2002
Location: Up North
Posts: 1,446
With stock intake, the biggest I have heard of is 38mm. As asphaltgambler said, I think there's more to drilling out the port. You'll also need to port the intake as well.

Many folks who go EFI are also using 3.2 intake hence the head will be ported to match that intake size; which is 41mm.
87 930 K27HFS/B&B/Twin-Plug... Megasquirted
Old 10-21-2005, 10:23 AM
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