My question to you is, should I dive into the carbs right away or run it for awile?
Answer Hi Matt, I would not run it very much if it is not running right as you may do a lot of damage depending on what is wrong. My first question is, did you add new gas to some old stale gas or did you drain the old and put in new? When I worked in dealerships and my own shops and had MGs brought to me to get running that had been stored for some time I would drain all fluids and replace them with new fluids, then do a “Wet” and a “Dry” compression test. Do the “Dry” test first. A “Dry” test is just a normal compression test (throttle open). You should see 135 PSI to 170 PSI on all cylinders (allow at least 4 or 5 rotations of the crank.) Then do a “Wet” test which is just put several squirts of engine oil (about a teaspoon) into the plug hole and do a compression test (throttle open). You should see a little higher numbers than the “Dry” tests. If there is a large difference between the two tests, you either have a ring problem or rust on the cylinder wall or stuck rings. If it is
