Jerry Hey wrote:

CR racing has radiator caps at various pressures: 16lbs, 22-24 lbs and 29-31
lbs.  All Stant.   I already have a Stant 22-24 but now I wondering if the
29-31 would offer any advantages.  Jerry

In theory it raises the boiling temperature and makes it less likely 
for the water pump to cavitate. The down side is your plumbing system
needs to be leak proof at 35 psi. We found leaks at 35 psi in Perry's
system that did not show up at 10 psi.

Paul Lamar
 
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