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Thread sizes - Xflow
nib1980 - 22/10/06 at 06:17 PM

Hi All,

Can anyone confirm the threadsizes are as I understand below

Nose Pulley = 7/16 UNF

Inlet/Exhaust Manifolds = 5/16 UNC?

Many thanks in advance

[Edited on 22/10/06 by nib1980]


gazza285 - 22/10/06 at 06:28 PM

Manifold are 5/16"UNC, but what do you mean by nose pulley? The one on the crank?

Been for a quick check, the crank pulley is 7/16"UNF.

[Edited on 22/10/06 by gazza285]


nib1980 - 22/10/06 at 06:34 PM

yep the crank pulley.

Many thanks!!


rusty nuts - 22/10/06 at 07:33 PM

From memory the exhaust studs are 5/16" UNC on the end that screws into the head and 5/16"UNF for the nut thread.


gazza285 - 22/10/06 at 08:28 PM

Also correct.