Folks,
I'm not exactly new to boating but I just picked up a 1971 Glastron Starflite with a Mercruiser 140, I/O. The boat has sat idle for about 7 years. The engine is free, turns over, and has compression of 130, 130,125, 60 in cyl 1, 2, 3 & 4. Not sure why #4 is low, initial thinking is valve. Tested the ignition system and have a nice big blue spark coming from the coil and occasionally from one or more of the plug wires. So present plans for it is to replace, rotor, cap, wires and plugs with new.
My question, to this great body of knowledge, is where to source parts? Also can I get over the counter parts from my local auto parts guys for this engine. The engine was made my GM, then somehow modified by Merc I presume for the cooling. But how much is still GM stock and which engine do I tell the AutoZone guys to use for locating the parts?
Thanks
RL
I'm not exactly new to boating but I just picked up a 1971 Glastron Starflite with a Mercruiser 140, I/O. The boat has sat idle for about 7 years. The engine is free, turns over, and has compression of 130, 130,125, 60 in cyl 1, 2, 3 & 4. Not sure why #4 is low, initial thinking is valve. Tested the ignition system and have a nice big blue spark coming from the coil and occasionally from one or more of the plug wires. So present plans for it is to replace, rotor, cap, wires and plugs with new.
My question, to this great body of knowledge, is where to source parts? Also can I get over the counter parts from my local auto parts guys for this engine. The engine was made my GM, then somehow modified by Merc I presume for the cooling. But how much is still GM stock and which engine do I tell the AutoZone guys to use for locating the parts?
Thanks
RL