Goose
This actually belongs in the hacks section.. but I welded up the air holes on an exhaust manifold with a 110 volt mig... I just kept "blipping" it.. till I filled it in. dont get it hot, it has held up several years, but it's not the right way and if you can swing the 20 bucks or so have a pro do it right.. 111!!!
socks
that pump is definetly for emissions from what i can tell. there was one on my 90' 360 but i had a 78 304 sitting beside me and anything it didnt have, i didn't need either 8) so i took the pump off and any sort of emissions bullshit.
as for welding the manifolds, i thought about doing it but figured the weld would expand at a different rate as the manifolds and could cause problems. i have this motor in a comanche so room is really tight, if it were to crack and leak i would have to take the whole motor out again.
people here in ontario canada basically give amc stuff away for free so i got a set from an older AMC without the holes from the pump.
1980_Cj7
He's talking about knocking the damper out of the heat riser, and filling the holes from the shaft, not the holes in the exhaust manifold for the AIR system.
On the V8 exhaust manifolds though, while we're talking about it, the holes have a common bolt thread. I think it might be 9/16" fine thread if I recall. I just ran short bolts in ours to block them off.
