The first gens are all the same. I know the chevy's have different brackets for the engine but you can unbolt yours and re-use them. I've always heard the nova's were basically the same but I've never tried to use one.
Not exactly.
Each of the 1st Gen FGF's are a bit different in regard to where the rebound bump stop for the front lower "A" arm is located. If you mix and match subframes and control arms, you will run into problems.
In '67 the bump stop is on the frame behind the spring pocket. In '68 the bump stop is on the control arm behind the spring pocket In '69 the bump stop is on the control arm in front of the spring pocket.
If you use aftermarket tubular control arms, the bump stop location is interchangable and you will be OK
I have a '68 Nova subframe on my car. I did not have any bumper mounting problems and I am pretty sure that Pontiac designed the FGF bumper to work with the Camaro subframe.
2012 Mustang Boss 302 #1918, Competition Orange. FGF replacement 2006 Mustang V6 Pony, Vista Blue. Factory ordered. 2019 BMW X3 (Titled to the wife, but I'm always driving it for her. So I'm claiming it) Old projects, gone but not forgotten: 1967 FB 400, original CA car. After 22 years of work, trashed by the guy who was supposed to paint it. I had to sell it. 1980 Turbo Trans Am 1970 Mustang fastback, 351C 4Bbl, auto 1988 Mustang GT, 5 speed 1983 F-150 4x4, built 302 1994 Chevy K2500 HD 4x4, 454 TBI