LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Help!!! Lt1 runs hot with any thermostat

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Old 08-31-2009, 05:09 PM
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Default Help!!! Lt1 runs hot with any thermostat

Fresh 355 rebuild car runs perfect without a t-stat, i have replaced 3 in the past 2 weeks each time i put in a new stat the car heats up quickly. I have bled the system till i was blue in the face. The coolant boils inside the radiator with the stats and flows perfectly without one. Even when the fluid boils the hose on the passenger side of the radiator is cool to the touch?????? There is no water in the oil. Please help.
Old 08-31-2009, 05:25 PM
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The radiator could be stopped up
Old 08-31-2009, 05:27 PM
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Originally Posted by Greg Pippin
The radiator could be stopped up
good point, never thought of that, how could i check that?
Old 08-31-2009, 05:43 PM
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Not to be an ***, but the t-stat is going in the right way right every time? Not upside down? Have to ask...
Old 08-31-2009, 06:15 PM
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Originally Posted by creepingdeath94
Not to be an ***, but the t-stat is going in the right way right every time? Not upside down? Have to ask...
lol. yeah it is... i think. no seriously yes. i though i was installing it wrong and pulled out my haynes manual to check.
Old 08-31-2009, 06:18 PM
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Originally Posted by lncboytre_d
good point, never thought of that, how could i check that?
Get it warmed up, drop the cooling fans and feel the surface of the radiator. If it's plugged internally you will feel cold areas. Mine was flowing through less than half of the radiator.
Old 08-31-2009, 07:23 PM
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Originally Posted by Low N Slow
Get it warmed up, drop the cooling fans and feel the surface of the radiator. If it's plugged internally you will feel cold areas. Mine was flowing through less than half of the radiator.
I'll give it a shot. thanks for your help



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