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Old 08-17-2010, 11:54 AM
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Re: Coolant thermostat question

Quote:
Originally Posted by j cAT View Post
the thermostat will regulate the temp only if the coolant system is working correctly. if you get temps above the thermostat rating of more than 15 deg this tells me you have a problem. if at slow speeds the temp creaps above 180 in YOUR case then this would be most likely the fan clutch , or the radiator is corroded/too small. with the 350 I would use the 3 core radiator.
The radiator is brand new though. Its only 2 core bUt it should still be sufficient..my mechanic gave it to me anyway so im sure its the right one.

You think this could be a clogged rad though? There was a bit of rusty sludge in the water pocket before i installed this motor. I did flush the system before I put in the new rad but im not sure I did a good job..ill have to try flushing it again
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'83 Caprice Classic LM1 (truck) 350 swap. about 200HP, 305 ft/lbs..for now.
-- 65,000 original miles --
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