Just a reminder;
Don't tighten the bolts connecting the two manifolds together until you have tightened the bolts between the manifolds and the head.
Forgetting this will result in cracked manifolds and leaks.
'31 Chevy 1 1/2 ton,
'42 GMC 2 1/2 ton 6x4,
'52 GMC 2 1/2 ton 6x6,
'53 GMC 5 ton
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