77 exhaust manifold studs 8mm both ends

[sagebus]

Hey all,Fixing the exhaust leak today,Stripped stud on cyl # 2.While removeing the exhaust manifold one stud on cyl # 1 came out with the nut.Both ends are 8mm.WTF, I thought I had every thing I needed,9mm on the head side 8 mm on the other,Not!Any one else find this to be true?
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1984 Vanagon GL, Wolfsburg Westy 1.9 ltr

[glutamodo]

I've know earlier bus Type IV heads have 8/8 studs there. I can't remember when the change occurred though - but I think it was before the hydraulic lifter era started that they went to 9/8's. So I guess the question becomes, what engine/heads do you have on there?
-Andy

[ratwell]

It might be 1700cc heads for 8mm studs.
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'78 Westfalia CDN
'76 Doublecab
Read the Baywindow FAQ

[sagebus]

Just got the stripped out stud out that got this started,the outside stud on cyl#2.Oh yea it's 9mm head side 8mm for the copper nut end.Guess i will just reinstall the 8 x 8mm back in cyl #1 put it all back together with new copper gaskets (annealed) and copper nuts and be on my way.
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1984 Vanagon GL, Wolfsburg Westy 1.9 ltr

[newagedesire]

You're lucky I have a frankenstined rebuild that has one head that uses the 8mm on both ends and one head that uses the 9mm/8mm. Took me a bit by suprise to say the least.