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**PGSigns** · 07-10-2018, 07:04 AM

A 3 inch block is to much in my opinion. Blocks move the rear forward (on trailing arms) and I assume that is what you have since the shaft is binding up. You can cut it but the best way to do this would be a set of 3" springs. 4 degrees is a lot for just a three inch drop. Have you checked the u-joint angles?
Jimmy

07-10-2018, 07:04 AM	#2
PGSigns Senior Member Join Date: Jan 2011 Location: Hayes Va Posts: 4,569	Re: 1972 GMC Long bed lowering problem A 3 inch block is to much in my opinion. Blocks move the rear forward (on trailing arms) and I assume that is what you have since the shaft is binding up. You can cut it but the best way to do this would be a set of 3" springs. 4 degrees is a lot for just a three inch drop. Have you checked the u-joint angles? Jimmy __________________ 60 to 66 Chevy and GMC window decals http://67-72chevytrucks.com/vboard/s...d.php?t=661131 Good friends, good food and a hotrod what else do you need? 1966 BBW long fleet Daily driver 1965 BBW short fleet Sold and going to a good home 1965 Suburban 2003 3500 Duramax 2005 Ultra Classic