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#1
11-26-2005, 01:40 PM
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normal coolant temp?
Would like to know what is the normal temperature for a truck. I have a 90 chevy silverado with the 5.7 V8. It isalways at about 200-210 Farenheit. think that may a little too high.
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#2
11-26-2005, 03:21 PM
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Re: normal coolant temp?
No, that temp range is perfect.
Your engine is intended to run with a 195 deg. thermostat, meaning that it will not even start to open until the coolant reaches that temp. If you put a cooler (180 deg). thermostat, the EFI computer might consider the engine is too 'cold' and richen up the mixture a bit to compensate, which would reduce the fuel economy and increase emissions. Warmer engine run a bit cleaner, more efficiently and last a bit longer.
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#3
02-17-2006, 09:31 PM
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Re: normal coolant temp?
Yep, 200-210 is normal, like MagicRat said, the thermostat opens at 195, and it usually runs a touch warmer than that. I wouldn't get concerned unless it goes over the 210 mark.
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2000 Chevrolet Silverado Regular Cab Short Box 4.3L Vortec - 5 speed Ion Alloy 16x8" chrome wheels Magnaflow Catback Exhaust K&N Intake, Throttle Body Spacer  GM Automotive Technician Previously - 2003 Chevrolet Cavalier
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