Difference in 2.3l exhaust manifolds?

Keyboardman

Petty Officer 1st Class
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Sep 10, 2015
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357
Looking at a replacement manifold but it has less bolt holes than mine. Will this new one work okay? Thanks
 

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Bondo

Moderator
Staff member
Joined
Apr 17, 2002
Messages
70,468
Ayuh,.... Boat exhaust manifolds are such rigid castin's, 1/2 the normal number of bolts is necessary for the proper clampin' forces against the gaskets,....

SBCs use 8 bolts per side for automotive apps,...
Only 4 for marine manifolds,... sometimes 6,....
 

Keyboardman

Petty Officer 1st Class
Joined
Sep 10, 2015
Messages
357
Ok great, Thanks. Just wondering why there's two more bolt holes on my old one,,,,,
 
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