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Reply to "Radiator cap for the stainless swirl tank"

Hi Steve, you may not be able to re-use your old Cap if the depth does not match the depth on your Filler Neck on your new tank. Secondly be very careful to pressure test with air alone. Better to fill with water and bleed all air out and only use compressed air to pressurize the system. The Normal open pressure for the Caps lays typically between 11 and up to 21Psi or higher even. With news Coolant Hoses etc. the weak point is your (old) Radiator. I use a 15Psi Cap and one easy way to raise your Coolants boiling point is to raise the system pressure by means of a higher rated Cap. Hope this helps you a little ;-)

link to example of Cap with long reach (deep)
http://www.carbuildersolutions...ap-rubber-upper-seal
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