Usually I just cut a 1" piece of 1/2" black pipe and set inside the control arm. I was a little worried about the wagon's weight so I set some 1x2 inch bar stock inside the arm and it slid in snug but I didn't have to force it. So the arm width on the inside is 1" and adding the thickness of the arm metal which is less than 1/16" each side gives about 1.120" total thickness for the arm. The bar stock spacer was .5x1.5 inch by about 8" long.
Addco supplied 7/16" bolts to go in the 1/2" holes and then supplied 1" long 3/8" spacers to go inside the arm. I shelved the incorrect parts and just went with some grade 8 1/2" bolts from Tractor Supply along with Nylock nuts. I put in a curtesy call to Addco and let them know of the improper parts, and the tech said they were out of 7/16" spacers and I told them not to worry about it. One year later I got a shipping envelope from Addco with 7/16" diameter spacers. Guess we have to give them credit for effort.
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Mick Batson
1967 original owner Tyro Blue/black top 4-speed HO GTO with all the original parts stored safely away -- 1965 Catalina Safari Wagon.
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