BBF exhaust port header extensions…
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BBF exhaust port header extensions…
nedceifus November 23rd 2022, 11:45 am
Just watched a YouTube video with a 600 & something ci BBF with some kind of port extension spacing the header out 1.5” or so. Anyone have any experience with this?
nedceifus- Posts : 97
Join date : 2019-07-31
Age : 47
Location : Nebraska
nedceifus- Posts : 97
Join date : 2019-07-31
Age : 47
Location : Nebraska
Re: BBF exhaust port header extensions…
nedceifus November 23rd 2022, 11:54 am
I’m guessing it’s a custom adapter to fit a BBC header. Would straightening the exhaust flow another 1.5” coming out of the port have a performance gain?
nedceifus- Posts : 97
Join date : 2019-07-31
Age : 47
Location : Nebraska
Re: BBF exhaust port header extensions…
BBFTorino November 23rd 2022, 8:02 pm
It looks like it's purpose is to clear the bellhousing or other components in a tight chassis
BBFTorino- Posts : 973
Join date : 2015-12-31
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Re: BBF exhaust port header extensions…
rmcomprandy November 24th 2022, 12:14 pm
BBFTorino wrote:It looks like it's purpose is to clear the bellhousing or other components in a tight chassis
Might be, a stick shift bell-housing is considerably larger in diameter than an automatic; flywheel, too.
rmcomprandy- Posts : 6008
Join date : 2008-12-02
Location : Roseville, Michigan -
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