I've adjusted the choke simply by turning it to compress the spring, just closing the butterfly while cold. Any suggestions for how to fine tune?...
This is a 1976 olds on which I put new heads last Fall; freshwater keel-cooled block. Decided to give it new points, plugs, plug wires and a...
temperature Gonzo - I don't own a temp thermometer. Operating temp at the gauge has always settled just shy of 160 under way. Anything North of...
system KenJ - the other side is a duplicate of what you see in the picture. I installed the valve to bleed any air which might get trapped in the...
this is the routing of the circulating pump hoses on my olds 455. It is fresh water cooled through a keel cooler and expansion tank. This photo...
Gonzo - the "circulating pump" is part of the freshwater loop...mounted on the engine over the timing cover. In my case, the circulating pump...
raw water This boat is set up with raw water coming in for the sole purpose of entering the exhaust "risers" which bolt up to the exhaust...
replies Thanks for the effort on the replies, though not sure I'm closer to an answer. This is a closed system. Expansion tank not radiator....
I have a fresh water cooled Olds 455 in my boat. (cooled by a keel cooler). Question: the exhaust manifolds have two ports at the forward end one...
