Reply to "Waterpump plug ?"

garth66"When speed is the only thing that counts"

It means someone modified yours to block the bypass, so you should be able to use any Windsor thermostat. The Weiand water pumps have this blocked too - actually, Weiand never bothered to drill the pump for the bypass.

Some on this forum will argue that your engine won't run right or heat cycle properly, but all that happens is that the engine begins to work quickly, then the thermostat opens, it cools a bit, it closes, then it warms again, etc... I have the Weiand pump and watch my temp gauge do this several times in the first 10 minutes of driving. No big deal. It works just fine.

5/20/1410:10 AM

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