What PSI and type radiator cap / surge tank?

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08-01-2010, 06:54 PM

Xavier

CC Member

Join Date: Nov 2006

Location: Fontana, CA

Cobra Make, Engine: Lonestar LS427, 408w, 48IDA Webers, TKO 600, 9" Currie 4-link 4.11 rear

Posts: 390

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What PSI and type radiator cap / surge tank?

I have had no cooling problems ever with my single 16psi radiator cap; but I recently went with a Kirkrham FE style surge tank for my 351w and this calls for a radiator cap, so I am going purchase two new ones of similar make..

- What PSI should I use? I use a 80/20 mixture of radiator and water with water weter.
- Both should be the same PSI?

Clearance is very tight between the surge tank and the hood so I was going to go with a Stant 10371 style as seen here...

http://www.stant.com/brochure.cfm?br...ocation_id=179

Thank you.

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