You Guys are amazing
I'm running a 1971 400 in a 79 Transam in Australia
Hott was not the word.
The engine is 0.60 oversize
Edelbrock Performer 72cc Heads
9.5 compression
Cruising speed temperatutres were ideal
But less than five mins at idle and the temperature was on 220
as nervous as i was i managed to find a nice backstreet and a coupke of mins driving and the engine was back to 160
There was a problem and i couldn,t put my finger on it. I tried a 160 Thermostat to no avail.
Then going thru a local parts magazine i saw a second hand high flow water pump.
it had dawned here is my problem so i called and was unfortunate as it was sold.
as i was about to hang up i decided to ask if he;d had overheating problems and explained my situation. He refered me to this website and explained the problem.
so i searched thru the stories here and the next day the pump was out
Almost a quarter of an inch
The plate was bent to your recomended clearance and the pump re istalled in just over an hour.
Fired up and drove for ten mins. temperature went to 150 and when returned home was put in the garage and left to idle for 5 mins. temperature was at 180 max.
This modifaction is definately worth the effort.
Thank you for some valuable advice.
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