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Re: Freeze Plugs- what do i need to know ? [message #351471 is a reply to message #351443] Mon, 20 January 2020 17:27 Go to previous messageGo to previous message
RF_Burns is currently offline  RF_Burns   Mexico
Messages: 2277
Registered: June 2008
Location: S. Ontario, Canada
Karma:
Senior Member
You can correct me if I'm wrong, and I probably am wrong... but isn't the rad cap of the GMC rated for 9 PSI and over 12PSI can balloon the radiator...
So I would not test it over 9 or 10 PSI.

Just my farmboy shade-tree mechanic way of seeing things.


Bruce Hislop
ON Canada
77PB, 455 Dick P. rebuilt, DynamicEFI EBL EFI & ESC.
1 ton front end
http://www.gmcmhphotos.com/photos/showphoto.php?photo=29001
My Staff says I never listen to them, or something like that
 
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