2in lift blocks tapered? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

budman k20 · 05-09-2013, 06:03 PM

I put on a Tuff Country 2in lift on my 72 K20 and I didn't put the rear spacer blocks in right away. So far I've put 1000 miles on it and it rides rougher than I would like but no vibrations. Now after I put in the 2in spacer blocks in the rear I see they are tapered. Why are my 2in lift blocks tapered? Don't you want the rear pinion angle to be parallel to the driveline? The reason I ask is I now have bad vibrations after putting the blocks in! Anyone else have this problem and what did you do to correct it?

05-09-2013, 06:03 PM	#1
budman k20 1972 K20 Join Date: Apr 2008 Location: Greenfield MN Posts: 360	2in lift blocks tapered? I put on a Tuff Country 2in lift on my 72 K20 and I didn't put the rear spacer blocks in right away. So far I've put 1000 miles on it and it rides rougher than I would like but no vibrations. Now after I put in the 2in spacer blocks in the rear I see they are tapered. Why are my 2in lift blocks tapered? Don't you want the rear pinion angle to be parallel to the driveline? The reason I ask is I now have bad vibrations after putting the blocks in! Anyone else have this problem and what did you do to correct it?



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