Hey! that looks just like the front frame horns on my 62...

Looks like you had some new years day fun....

I mocked up a 68 suspension cross member on my 62 and it slipped right in....
I may just abandon the torsion suspension in favor of a coil spring unit.
Haven't decided for sure yet but those lower ball joints on the 62 look less than heavy duty...
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Building Genuine Pontiac Firepowered cars and trucks for several decades.
Why Pontiac?? That's just me daring to be different.
Projects..
63 C10
Short
Wheel
Base fleetside (The Pro-Street) currently under reconstruction.
440CID 2X4 Pontiac