Biggest reason-

Posted by Bob Carabbio on February 15, 1998 at 19:42:56

In Reply to: Thermostat ???
posted by Tim Wildey on February 15, 1998 at 16:06:21

Engine wear is much higher when the overall temperature is less that 140 deg.It's a good idea, then, to get the water temp up as fast as possible and hold it above 140 at all times. A 160 degree unit will do that nicely.
Caviat - If there's a lot of junk floating around in your cooling system, the bypass hole in the thermostat may plug.Depending on where you get your 'stat the bypass should be 1/8" - 3/16" in diameter.There must be flow past the 'stat at lower temperatures so the hot water can get there to open it up.
"A"s didn't have a lot of things that were found to be quite valuable later - Oil filters - Air filters - Crankcase ventilation - counterweights.If you're a parade type or a show type, then nothing is needed since the car sits in the garage all the time.
If you put 10-14K on the car every year, then some improvements will reduce the maintenance pain - unless you really enjoy changing the oil every couple of weeks.
Bob Carabbio

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