'74 AMC 304 Right Bank Smokes When Hot.

[rollbar]

OK leakdown test 100% FAIL !

TDC on compression stroke and 15psi of air = air coming out of oil filler tube. When I close off the oil filler tube I can hear a little coming out of the carb as well.

The plug we had in question (cyl 3 on the passenger side) had some oil on it and I did not even have the wire hooked up-oil was clean and that is the cyl I tested for the leak down.

So we are not going to mess w/the engine any more.

FOR SALE if any one wants a engine to rebuild.

Thank you all again for the help,
Jim

P.S. Now the fun starts

[tufcj]

There's always the "hillbilly overhaul" as my dad called it. Pull/clean the pistons, hone cylinders as best as possible, new rings and bearings (if needed). Pull and clean the carbon off the valves and install new seals (maybe a quick lap if needed), new timing set, put it back together. You should get 10-20K more miles from it. My dad sold a lot of cars that way when I was young.

Bob
tufcj

[rollbar]

Swapped in a 360 and TF-999 from a '85 waggy. Working well.