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Old 01-20-2008, 02:47 PM
stroker_SS stroker_SS is offline
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Waterpump or fan?

My 84 camaro, 355 iron heads, stock style radiator, chrome half circle fan shroud, aluminum flex fan, stock waterpump and pulleys,thermostat or no thermostat it has an overheating problem, only on the freeways at speeds of 70+ mph or when sitting and idling. At freeway speeds (no od btw) it slowly overheats, but once it gets to 210*+ it starts creeping up in temp and doesn't come down, unless you shut it down and let it cool off.

i have no idea how old the waterpump is, but it doesn't leak, and the car doesn't overheat as long as your not sitting still or running it hard.

i've had a couple of ideas on how to get the temp down and stay down one of them being making a sheet metal fan shroud and a single 15 or 16" electric puller fan.

what would cool better a shroud that covers the entire back of the radiator with the fan in the center or, just mounting the fan on the radiator no shroud.

I really want to be able to bury the throttle on this thing or be bumper to bumper in cruise night traffic and have no overheating problems. I flushed the radiator and put in new 50/50 mix antrifreeze and that helped some but not enough for me so what should i try first?
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