Exhaust Manifold Stud Size/Thread Cou...

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Author Message   Brian (Bthaxton) Member Username: Bthaxton Post Number: 62 Registered: 02-2003 Posted on Monday, January 26, 2004 - 10:41 am:    Does anyone know the exhaust manifold-to-downpipe stud size (diameter) and the thread count for a '97 D1? I am considering replacing the studs with grade 8 bolts. I've yet to fully decide. If not, then I need to know the stud size so I can buy one locally. To clarify, I am talking about the three (per side) flange studs that attach the y-pipe to the manifolds. Once again, a stud has fallen out on my Disco.   flyor (Flyor) New Member Username: Flyor Post Number: 38 Registered: 05-2003 Posted on Monday, January 26, 2004 - 12:17 pm:    8 x 1.25 mm