Front A-Arm Mounting Stud Question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

REPO1 · 03-28-2005, 08:19 PM

I posted this in XXL's crossmember post.

What did you guys come up with on the upper A arm mounting studs? I know that the upper arms on the '80+ trucks had a beveled washer that fit into the inside of the upper a arm.

But something I noticed, where the a arm mounting stud comes through the frame it has a washer that is beveled outward. A flat shim couldn't sit flat against something like this?

The '80+ trucks have a flat spacer that is agains the frame. Now I can see how this would work properly as it is a flat surface for the shims to sit against. Did the early trucks have 1 more piece that sat against the beveled spacer against the frame?

03-28-2005, 08:19 PM	#1
REPO1 Shortbox wanna-be. Join Date: Mar 2002 Location: Fort St.John, British Columbia, Canada Posts: 773	Front A-Arm Mounting Stud Question I posted this in XXL's crossmember post. What did you guys come up with on the upper A arm mounting studs? I know that the upper arms on the '80+ trucks had a beveled washer that fit into the inside of the upper a arm. But something I noticed, where the a arm mounting stud comes through the frame it has a washer that is beveled outward. A flat shim couldn't sit flat against something like this? The '80+ trucks have a flat spacer that is agains the frame. Now I can see how this would work properly as it is a flat surface for the shims to sit against. Did the early trucks have 1 more piece that sat against the beveled spacer against the frame? Attached Images __________________ 1970 Chevy C20 Custom Camper 402BB Turbo 400 trans. (Slowly becoming a '70 shortbox 1/2 ton) '71 Camaro SS 402/T400 resto '97 Z28 (11.41@127MPH) Last edited by REPO1; 03-28-2005 at 08:21 PM.



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