U-bolt size on lower control arm shafts ? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

GMCGRANDS · 08-02-2004, 08:25 PM

I ordered some replacement u-bolts for the lower control arm shafts on my 72 GMC. When I recieved them they were 7/16" dia. The orginal ones are 1/2" ? Anyone else run into this? I checked the shafts they are the same. The spread of the ubolts is the same, just the diameter is different and the holes in the crossmember are different when compared to another crossmember I have. I think I remember Phantom Dually having a problem like this one time.

08-02-2004, 08:25 PM	#1
GMCGRANDS Registered User Join Date: Jan 2001 Location: Franklin , N.C. USA Posts: 105	U-bolt size on lower control arm shafts ? I ordered some replacement u-bolts for the lower control arm shafts on my 72 GMC. When I recieved them they were 7/16" dia. The orginal ones are 1/2" ? Anyone else run into this? I checked the shafts they are the same. The spread of the ubolts is the same, just the diameter is different and the holes in the crossmember are different when compared to another crossmember I have. I think I remember Phantom Dually having a problem like this one time. __________________ Mark 72'GMC Sierra Grande 2wd SWB, Fatman stageV IFS, 6.0 liter LQ4 Gen 3 and 4L80E under construction 05' GMC Sierra Denali LQ9



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