How does the pounds of a radiator cap work with the cooling system? Brad

Not really sure of the question but with every psi
that you increase in the system you raise the boiling
point 3*. There is 2 types of radiator caps 1 for
a resvoir(recovery style system and non resvoir)
and the easy way to tell if you have the resvoir cap
is, if you hold the cap up right there is a metal plate
dangling down, the non resvoir doesnt have it dangling

http://www.stant.com/brochure.cfm?brochure=3102&location_id=3847

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just wanted to get an idea if i have the right cap on my dart. if i let it sit running it goes up to 200-210 degrees with a 180 thermostat.i put a 22 inch radiator in it fan might be a little small it is a 15 inch no shroud.thought about putting a 16 electric fan with thermostatic control on it. thanks Brad