expansion tank cap question
09-13-2003, 12:27 PM
#1
Pro
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expansion tank cap question
Hey guys I need to get a new cap for my expansion tank on my 68 but i need to know the proper spring rating I have a #17 now but it is not the original cap any one know which one I should be using or is a 17 ok
09-13-2003, 01:26 PM
#2
Race Director
Re: expansion tank cap question (73Stingraycoupe)
the higher it is, the hotter it can get before it boils over. 3 degrees for each pound.
But, any old worn out hose or rad will fail a few days earlier with more pressure.
i have a pressure gauge in my 61
But, any old worn out hose or rad will fail a few days earlier with more pressure.
i have a pressure gauge in my 61
09-13-2003, 01:45 PM
#3
Melting Slicks
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St. Jude Contributor
Re: expansion tank cap question (Matt Gruber)
Repros of the original 15# caps are available from vendors. If you have the fat aluminum tank, you need an RC-26 cap, if you have the skinny brass one used on A/C cars, you need an RC-15.
JB
JB
