Radiator cap pressure for LS1?

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02-23-2006, 05:51 PM

V8er

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Radiator cap pressure for LS1?

Does anyone know what pressure the stock F-body LS1 rad cap is?

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02-23-2006, 05:53 PM

sawedoff

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22 lbs.

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02-23-2006, 10:28 PM

V8er

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Quote:

Originally Posted by sawedoff

22 lbs.

Are you sure about this? STANT says it is 18psi for the LS1 and most modern cars are in the 12-16psi range. 22psi sounds quite high!

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02-24-2006, 04:45 PM

sawedoff

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Quote:

Originally Posted by V8er

Are you sure about this? STANT says it is 18psi for the LS1 and most modern cars are in the 12-16psi range. 22psi sounds quite high!

You're correct. It is 18lbs in the LS1. I was off.

This is what my radiator cap says that it is.

Last edited by sawedoff; 02-25-2006 at 11:28 AM.

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02-25-2006, 04:32 AM

GTS346

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I was told 15psi for an LS1?

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