Your main problem ... is ... in my opinion
Originally Posted by cmk59
1968 Impala Custom, 275/327, TH400, dual exhaust with 'h' pipe. New suspension, engine still stock save for water pump and t'stat.
THAT you have removed the original good shroud and belt driven fan.
( photo taken from the internet ... )
General Motors spends tons of time and money engineering their cars to run cool ... why does people think that they can make it BETTER ??? with some aftermarket electric fans.
Install the shroud back on and the proper belt driven ... and the correct 195 range thermostat and be done with it ...
Deuce ... Moderator
"I won't be wronged . I won't be insulted, and I won't be laid a hand on. "