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Old 09-15-2021, 08:26 PM   #11
jmantle
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Join Date: Feb 2008
Location: Black Creek, BC Canada
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Default Re: Need some Powerglide tech info

Coan lists 3 different pressure range springs, the final pressure will be determined by the boost valve. The .488 one is the largest I've seen.

Jim Mantle V/SA 6632
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Jim Mantle U/V/SA 6632
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