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Russell James · 03-26-2015, 12:56 PM

The UPF 48R has been used on the LS7 for years. Can't imagine it would be a problem now.

The LS7 went to it because of the thicker can for higher pressure. I don't know why anything else would be used.

03-26-2015, 12:56 PM	#3
Russell James Drives: '15 SS 1LE, '69 Z28 drag car Join Date: Dec 2009 Location: Mich Posts: 4,482	The UPF 48R has been used on the LS7 for years. Can't imagine it would be a problem now. The LS7 went to it because of the thicker can for higher pressure. I don't know why anything else would be used.