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Old 03-16-2010, 04:15 PM   #1
Jobe72
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Quick question on exhaust manifold (350)

I lost a nut on my driver side exhaust manifold collector and blew out the gasket.
Anyone know off hand what the size of that nut is? I'd like to pick one up on my way home tonight to fix it.

oh yeah, 350 engine, stock manifolds. I'm guessing 5/16 course thread but...

thanks!
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1962 Cadillac Convertible
1962 Cadillac Sedan project
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Old 03-16-2010, 06:21 PM   #2
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Re: Quick question on exhaust manifold (350)

3/8 coarse thread. Get self locking if you can. The ones with a pinched side not plastic inserts.
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Old 03-16-2010, 09:33 PM   #3
Jobe72
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Re: Quick question on exhaust manifold (350)

Thanks!
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