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while i am sorting out my little problems i wonder if i should be getting a "hi temp" starter. i don't know anything about such a thing but a few people have recommended i get one. sound resonabal ?
Sorry, never have heard of a high temperature starter. They all work at engine temperature. Now there is a high torque starter available which is a heavy duty starter. Could that be what you mean? :D
I had heat soak problems with my C3 (1979) that I attributed to the two exhaust pipes joining (front Y-pipe) just under the starter. (The system was 2-1-2 because of the catalytic converter.) The GM high-torque mini-starter solved that problem. I have not had that problem with my 1967 perhaps because it has true dual exhaust.
A word of caution - there is no coil wire connection on the GM mini-starter. If you have a heat sink problem, a remote solenoid is a cheaper solution than going to the mini-starter.
I've never had a problem using the standard starters as long as they, and the battery, were in good condition. Keep in mind that starter draw usually increases with wear while battery power gradually declines with age and use. At some point starter draw become greater than battery output and "click". Another thing to check is the battery cables and their connections. A bad cable or iffy connection might allow enough power to flow when cool but as temps increase current flow is reduced. Another possibility is the solenoid. Others have had heat problems with them and were able to fix them easilly. Hopefully, one of them with experience in that will post.
Good point re the solenoid. If panchop posts over in the C3 area he will get advice (and GM part numbers) for a stronger spring setup. It's a cheap solution for some owners.