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Exhaust manifold bolts
#1015367 Wed Mar 19 2014 11:27 AM
Joined: Mar 2014
Posts: 33
B
blu1964 Offline OP
Wrench Fetcher
A couple have already twisted off,not gonna put the old ones in the new engine.Are these special bolts of any kind,and if not,what what grade are they?

Thanks

Re: Exhaust manifold bolts
blu1964 #1015381 Wed Mar 19 2014 02:03 PM
Joined: Sep 2006
Posts: 2,960
D
Shop Shark
Grade 5 should work.


Drew
Re: Exhaust manifold bolts
DrewP #1015480 Wed Mar 19 2014 10:35 PM
Joined: Mar 2014
Posts: 33
B
blu1964 Offline OP
Wrench Fetcher
Thanks,kinda what i was thinking.I will coat them in anti seize also.

Re: Exhaust manifold bolts
blu1964 #1015501 Wed Mar 19 2014 11:55 PM
Joined: May 2006
Posts: 8,490
L
Master Gabster
Instead of bolts, you may want to consider installing studs. Studs make the installation of the manifolds a but easier, plus they are a bit stronger as well.
For anti seize, I would suggest that you use the copper based one if you can find it. The copper base anti seize holds up better on high temp applications such as exhaust.


Bill Burmeister
Re: Exhaust manifold bolts
blu1964 #1015511 Thu Mar 20 2014 12:49 AM
Joined: Mar 2014
Posts: 33
B
blu1964 Offline OP
Wrench Fetcher
The copper base is what i use.May consider studs.


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