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Old 12-14-2012, 11:11 AM
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stroker running cold

hi i have a Chevy 383 stroker that's newly built. and it wont get up to temp it will come up to mayby 160 if i idle but once i go down the road it drops to almost 120 it don't have the clutch fan i think i have a 190 thermostat what can i do to bring up the temp

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Old 12-14-2012, 01:20 PM
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Originally Posted by yardman View Post
hi i have a Chevy 383 stroker that's newly built. and it wont get up to temp it will come up to mayby 160 if i idle but once i go down the road it drops to almost 120 it don't have the clutch fan i think i have a 190 thermostat what can i do to bring up the temp
You sure the thermostat is in there? Sounds silly but that will cause your problem. Also if its stuck open will do the same thing. Either way sounds like you need to buy a new thermostat and get it installed.

Fan cant cool the engine unless it gets up to temp. The temp sendor is in the right location?
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Old 12-14-2012, 01:26 PM
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I had an issue w/ a temperature gauge once & it was doing the same thing. Feel the top & bottom radiatior hoses while its running & if they are hot to the touch then the gauge is your problem. If they are cool then you have a different issue.
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Old 12-14-2012, 01:31 PM
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Fan cant cool the engine unless it gets up to temp.
Umm, hcomp, you wanna re-think that?
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Old 12-17-2012, 08:24 PM
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Check your engine temp with an automotive multimiter designed to check temperatures. Check your thermostat to see if its functioning correctly. You may have to go with a higher temp thermostat. My brother did an engine swap into a mazda pickup that came out of an areostar van. I dont remember what temp his thermostat is but he has electric fans set up on it and they dont come on unless he has been sitting still long enough but going down the road the cooling is sufficient and they stay off. His fans are set a few degrees higher than the thermostat. He hasnt had a bit of problem at all from his cooling system
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Old 12-17-2012, 09:04 PM
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Umm, hcomp, you wanna re-think that?
If the thermostat is not opening then the fan does not really play into it. It would get hot! Very hot then the thermostat would open and engine would exchange water with cool water from the radiator. This exchange should not happen all the time only when the water temp inside the block gets too high. If block water temp is low then fan is not the issue its the thermostat not holding the water to temp.
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Old 12-17-2012, 09:43 PM
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Check the coolant level cold. Try removing radiator cap while engine is cold and see if water is circulating immediately after start up. That means the thermostat is missing or stuck in the open position, which may not let the car warm up properly.
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Old 12-18-2012, 12:19 AM
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Some thermostats fail in the open position.
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Old 12-18-2012, 07:30 AM
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does the engine get hot when you make a full throttle blast,then cool down?
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Old 12-18-2012, 08:05 AM
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im going to change the thrmo and the gauge i had a bad oil pressure Gauge after the first ride a mile down the road it went to 0 i almost had a heart attack. never will trust the electric gauges again
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