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Thread pitch on Clifford 6=8?

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Thread pitch on Clifford 6=8?

Post #1 by huntnfish08 » Fri Jul 12, 2019 3:35 pm

I've got a Clifford intake and would like to put in a vacuum barb. There is a hole centered below the carb mount that a 3/8-16 bolt will thread into but they don't seem to offer that thread to barb adapter.
Any help on this thread pitch?
Adam White

1978 F150, 300cid, NP435/205, 4x4
Clifford intake, 2150 1.08" 2bbl, comp 1.76:1 rockers, EFI exhaust manifolds.


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Re: Thread pitch on Clifford 6=8?

Post #2 by bubba22349 » Fri Jul 12, 2019 5:22 pm

Should be iron pipe threads, Try a 1/4 inch NPT. Good luck :nod: :thumbup:
A bad day Drag Racing is still better than a good day at work!

My Ex-Fleet of Sixes sadly these are all long gone! :bang: 1954 Customline 223 3 speed with O/D, 1963 Fairlane project drag car with BB6, 1977 Maverick 250 with C4, 1994 F-150 a 300 with 5 speed.

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