Quote:
Originally Posted by nUcLeArEnVoY
Yeah, this is what I was always led to believe. A thermostat's purpose is to maintain cooling system pressure, and to set the minimum operating temperature. The cooling system's capability and efficiency is ultimately what determines the temperature the car runs at. If your cooling system is bulky and well-designed enough to actually open and close a 160 thermostat in closed loop operation, then great, If not, it'll operate at a higher temp and eventually stop at what the cooling system can support. The only issue with using a thermostat at too low of a temp that your cooling system can't maintain, is that said thermostat will always be open and you lose some of the system's ability to make pressure.
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This make no sense to me.
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68 Firebird. IA2 block, 505 cu in, SD Performance E-head, Solid roller 3600 weight. Reid TH400 3:90 gear. 28" slick.
Best so far 9.95@135 mph. 1.39 60 ft.
76 Trans am, TKX .81 o/d, 3.73 Moser rearend,
468 with KRE D-ports, Doug headers, 3" Exhaust
950 Quickfuel.
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