The Stovebolt Site Forums The Shop Area Engine Shop 58 235 exhaust manifold

I installed my exhaust manifold after cleanup of carbon deposits. When I put it back I having a gap in one of the exhaust round to head. It doesnot go flush. Checked all the bolts are tight. I thought of buying but I cannot find anywhere.

Does that gap create backfire through carburetor. I tried to start engine and started getting backfires to carburetor.

Any information on this is appreciated

Rgds.,
Ganesh

Hy smokey_truck, Did you remove the exhaust manifold separately from the intake or did you remove them as a unit? Did you use intake manifold alignment rings to re-install if you removed both manifolds together? Did the manifold fit fine before you removed it?

The procedure is to loosen the bolts that hold the exhaust manifold to the intake manifold. then mount the unit on the head making sure that the three alignment rings fit in and the round intake ports push up flush to the head. Do not force anything with the bolts.

3B thanks for responding, I removed intake and exhaust as one unit. I cleaned and put a new gasket and aligned intake manifold alignment rings when remounting. They were all good with no gaps when removed.

I cant find any NOS replacement. Any help is appreciated

Ganesh

Tight bolts don't mean its aligned. I've done this myself, it took two attempts before I finally got it right! Look real close at the intake manifold, especially the under side were manifold mates up with the head. It doesn't take much of a gap to cause the problem. The alignment rings get moved out of place, and won't let the intake seat on the head! If it fit before, no reason it won't go right back on!