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What size pressure cap shopuld I be using with a car that has a high temp problem? I have a recored radiator now and want to optumize my system. In the venders book I say a 7pound cap and a 12pound cap, I have been using a 13 pound cap whats best?
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RE: RADIATOR CAP
The higher the pressure on the cap, the higher the boiling point of the coolant. Therefore a higer pressure cap means you have less chance of boiling over. Only use a 7 lb cap if you have a lot of leaks in your radiator and expansion tank. If you do, you should get them fixed. The 13 lb cap you now have is fine. I would not go more than 15 lb on a radiator cap on these cars.
Alexander
1959 Hardtop
1960 Golde Top
Alexander
1959 Hard Top
1960 Golde Top
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RE: RADIATOR CAP
Thanks Alexander, I have been using a 13 pound cap and yes it exposed all the leaks I have had in the system, tomorrow I will be picking up my radiator(recre ) and expansion tank(repaired ) and I hope everything is in working order, I want my temp gage to read between the T and the E I was in North Carolinia with 3 T-Birds last week end and these cars ran very cool, needle on the E all the time. I noticed that they had overflow tanks on them attached to the fire wall does that make a diffrence?
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