64 lower A arm shaft

[Don D.]

I'm re-assembling the frame on my 1964 convertible and noticed I have 1 square lower A arm shaft and 1 "I" beam shaft. My car was built in November 1963 and I uncovered the frame stencil part number that indicates the frame is a 1963 frame (P/N 303196 / 3819263). The frame also has both vin stamps that match my vin so I know the frame is correct for my car.

Which lower A arm shaft is correct for my frame?

[Gene M.]

Re: 64 lower A arm shaft

the cored out shaft trailed the solid casting. but not sure when the cut in started, could be supplier continued with both configuration till dies required service. I have encountered cars with both configurations also............

[Edward J.]

Re: 64 lower A arm shaft

Don, I have a Mar. 63 and my lower a/arms are as your are, I am thinking GM had a couple of different suppliers for the shafts. By the way my chassis was never restored that I could tell, until I did a frame off.

[Alan D.]

Re: 64 lower A arm shaft

From a Mar64 - never restored. Also show the hardware on same.

[Don D.]

Re: 64 lower A arm shaft

Thank you all for replying. My chassis was never restored until I disassembled it a couple months ago. I was concerned about the different shafts but I guess it's really not unusual. I'll just leave it as it is. Thanks again. This is my first C2 restoration and this site sure has been helpful. Have a great day.