Quote:
Originally Posted by 406 Q-ship
Well to make it easy for you, the truck that you would be using the fan from had 3.08, 3.42, and 3.73 as the common gear ratio. Pick something close what is in your truck. Besides if it heat soaked when getting gas and only got to 210° and ran around town at 205° in 100° outside temp, then you do not have a overheating problem at all. It still needs a clutch fan and shroud (all vehicles should have them).
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Yep... those 1990's TBI 350's had 195 degree t-stats from the factory. My 1994 GMC ran around 200 to 210 all the time. Normal operating temp. My '06 Silverado 2500HD runs around 210 all the time. Whether it's hot, cold, towing, or hauling. So if your around 205 - 210 in the 100 degree heat... I'd say it's doing okay.
Sticking a 160 degree t-stat won't help. The earlyier 350's had 180 t-stats in them. Thats' all I have ran in all my 1st gen, non-fuel injected engines. No probs.
Gary