A-arm question pics inside!! - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Dub J · 07-08-2007, 01:01 PM

Hey guys, Im trying to bolt up a set of 73-87 A-arms to a 70 front crossmember, but have soon discovered that the alignment dowels on the bottom of the member where the u-bolt connection is made has two different shapes. One being round and the other oblong. I read somewhere that all these crossmembers interchange, but it doesnt look like this will work. I trial fit the arm against the member, and it seems like one of the holes on the arm will interlock with the dowel but it feels like the oblong dowel isnt holding. Is this safe? Will it work this way?

07-08-2007, 01:01 PM	#1
Dub J Junior Member Join Date: Mar 2006 Location: Nashville Posts: 80	A-arm question pics inside!! Hey guys, Im trying to bolt up a set of 73-87 A-arms to a 70 front crossmember, but have soon discovered that the alignment dowels on the bottom of the member where the u-bolt connection is made has two different shapes. One being round and the other oblong. I read somewhere that all these crossmembers interchange, but it doesnt look like this will work. I trial fit the arm against the member, and it seems like one of the holes on the arm will interlock with the dowel but it feels like the oblong dowel isnt holding. Is this safe? Will it work this way? Last edited by N2TRUX; 07-08-2007 at 08:25 PM.

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