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Old 07-27-2003, 01:23 PM
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Rick Parker Rick Parker is offline
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Join Date: May 2001
Location: California, Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
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Some time ago I had a similar temprature/indicated overheating & temp spiking problem. Symptoms: Running down the road and temp guage would gradually climb to 180 where thermostat opened. Temp would immediately drop to 140 and begin climbing fast to 210-220 then drop very quickly to 160-180 and start climbing quickly again. Turned out to be the waterpump itself. I had purchased a rebuilt one at the parts house. The impeller was the stamped steel type without curved vanes. Water pump was cavitating. I ultimately bought an OEM Ford unit. This was not on a stroker but a very high strung 289 with conventional V-belt.

Good luck

Rick

Last edited by Rick Parker; 07-27-2003 at 01:26 PM..
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