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Old 01-11-2011, 07:12 PM   #80
jltait
Registered User
 
Join Date: Mar 2010
Location: Eaton Rapids, MI
Posts: 97
Re: 85 GMC Sierra Classic 1 Ton Crew Cab

Mattman,
Here are the pictures you have been waiting for. The only perceivable difference in the two were in the width of the crossmember and the span between the holes. The double hump or "w" has 5.25" span between the holes that are in the outer flange and the single hump has a 5.75" span ( see picture, I accidentally covered the hole but you can tell how I was measuring. The inside one's have a different span as well but I didn't measure since they are of no consequence in your application. Other than that the mounting locations for the transmission mount and the frame position locations sure seem identical. I have no way of guaranteeing it works but it is yours for the price of the shipping if you want it. If the bolt spans were the same I would actually swap it for the double hump in my k20 plow truck, It slid it into position and it looked like it would work fine for it as well. But I do not want to redrill the holes for the different spacing.
Let me Know.
JLT
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