Compression leaking to valvetrain
One thing you could do, if you can't run it down, and won't cost you an arm, is to clean it up and get the heads / valve train back together, and run a compression check. You don't need exhaust, intake, or coolant. Just the heads, new gaskets, and the valve train. Hell you don't even need the valve train. Get/ buy / make yourself a leakdown tester (Do a search) and run a leakdown, and THAT test gives you the opportunity to listen for leakage......past intake / exhaust valves, and past the rings. Use a piece of fuel / vacuum hose to your ear, to probe and listen
This is the mods I did to a Horrible Freight leakdown, which essentially turns it into DIY. You can start from scratch about as easy, and if you have a compression tester with a quick disconnect hose, you can make one from out of it, and STILL have a compression tester
HF leakdown test is a Piece of Big Steenkeeng SHTUFF but here is
Search for DIY what you need is a .040 orifice. I actually found some on egag, some sort of carb jet I guess. I got lucky, the jet was a common thread, the tap is sticking out of the block. The HF tester is NOT "standard" that is, it does not use the common pressure setting, nor does it use the standard .040" orifice, here:
Leak-down tester - Wikipedia
Replaced the other gauge with one from my HVAC days
EVEN WITHOUT a leakdown tester, you can just hook your air hose to the plug hole, and probe around for air leakage, compare "the sound" with other cylinders. EASY!!
One thing you could do, if you can't run it down, and won't cost you an arm, is to clean it up and get the heads / valve train back together, and run a compression check. You don't need exhaust, intake, or coolant. Just the heads, new gaskets, and the valve train. Hell you don't even need the valve train. Get/ buy / make yourself a leakdown tester (Do a search) and run a leakdown, and THAT test gives you the opportunity to listen for leakage......past intake / exhaust valves, and past the rings. Use a piece of fuel / vacuum hose to your ear, to probe and listen
This is the mods I did to a Horrible Freight leakdown, which essentially turns it into DIY. You can start from scratch about as easy, and if you have a compression tester with a quick disconnect hose, you can make one from out of it, and STILL have a compression tester
HF leakdown test is a Piece of Big Steenkeeng SHTUFF but here is
Search for DIY what you need is a .040 orifice. I actually found some on egag, some sort of carb jet I guess. I got lucky, the jet was a common thread, the tap is sticking out of the block. The HF tester is NOT "standard" that is, it does not use the common pressure setting, nor does it use the standard .040" orifice, here:
Leak-down tester - Wikipedia
Replaced the other gauge with one from my HVAC days
EVEN WITHOUT a leakdown tester, you can just hook your air hose to the plug hole, and probe around for air leakage, compare "the sound" with other cylinders. EASY!!
