70aarcuda Master Hoader of SBM Legendary Member Joined Jan 16, 2005 Messages 16,639 Reaction score 5,968 Location las vegas Sep 21, 2010 #1 Not the stud thread size... but the nuts that go on the exhaust studs... I know they are 5/16 thread but what coarse?
Not the stud thread size... but the nuts that go on the exhaust studs... I know they are 5/16 thread but what coarse?
cosgig MoBro Inc. FABO Gold Member Joined Jul 20, 2008 Messages 12,365 Reaction score 6,207 Location Pinckney, Michigan Sep 21, 2010 #2 Exhaust studs on a standard smallblock are 5/16". The head side is 18 T.P.I. and the exhaust manifold side is 24 T.P.I. Geof
Exhaust studs on a standard smallblock are 5/16". The head side is 18 T.P.I. and the exhaust manifold side is 24 T.P.I. Geof
camd64 Remember Landy Joined Jun 22, 2008 Messages 1,593 Reaction score 23 Location cedar park, tx Sep 21, 2010 #3 Yup 24 TPI