Quote:
Originally Posted by Stephen12ZL1
a lower temp thermostat is a "no brainer" mod. Honestly, it really can't hurt & might help. If GM decides to use one in a stock LS7 (confirmed), there must be merit to this "mod". The worry warts here will cry foul so just ignore them.
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LS3 and LS7 are two different motors, simply stating if GM decide to use it there must be merit holds no weight as they are very different. Simple things like fan switch, oil capacity, cooling system and that pesky calibration thing are all different and part of how the correct operating temp is controlled
My suggestion is make changes to the coolant system and you will see the best results. (T-stat, radiator, fan switch, cal)