The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - ? for the experts on the front cross member

67ChevyRedneck · 12-13-2004, 01:45 PM

I put a 71 gmc disk brake set up in my '67. I had the exact same problem you did....I worried if I enlarged them I would mess up the front end alignment...after MANY frustrating hours I installed the front two bolts, took measurements for squareness, tightened them down, and enlarged the other two holes. I then rebuilt the entire suspension and disk brake assemblies with ALL new parts. Long story short I was afraid that when I took it in for the alignment they would say it was messed up...but the guy told me I did an excellent job, all he had to do was adjust the camber on the driver side 1/16". Also, the alignment shop was a specailty place here in town that does nothing but alignments and brakes. 6,000 miles on new front end...disk brakes are awesome...NO vibrations, NO unusual tire wear. I say do what I did, be careful, and enlarge them.

12-13-2004, 01:45 PM	#9
67ChevyRedneck Hittin E-Z Street on Mud Tires Join Date: Nov 2004 Location: Greenville, SC Posts: 23,090	I put a 71 gmc disk brake set up in my '67. I had the exact same problem you did....I worried if I enlarged them I would mess up the front end alignment...after MANY frustrating hours I installed the front two bolts, took measurements for squareness, tightened them down, and enlarged the other two holes. I then rebuilt the entire suspension and disk brake assemblies with ALL new parts. Long story short I was afraid that when I took it in for the alignment they would say it was messed up...but the guy told me I did an excellent job, all he had to do was adjust the camber on the driver side 1/16". Also, the alignment shop was a specailty place here in town that does nothing but alignments and brakes. 6,000 miles on new front end...disk brakes are awesome...NO vibrations, NO unusual tire wear. I say do what I did, be careful, and enlarge them.