What else do you think it might be I have checked Chevelle but they don't have the big cross member for the springs in the rear.79 Malibu has the same frame as the rest of the G bodies. As I already posted the frame you have is not a G body frame as it has equal length front upper control arms. Another difference is the G body has 3 bolt head exposed for the steering box, the frame you have only 2 are exposed.
What else do you think it might be I have checked Chevelle but they don't have the big cross member for the springs in the rear.
You are correct the g body has a different front not straight like the chevelleI have no idea, like I suggested measure it. The internet is filled with specs of frames
what chevelle frame were you looking at?.
It looks like the cross over on the malibu70-72 a body frame
View attachment 157962
78-88 G body frame
View attachment 157963
And for the fun of it, 63 Buick X Frame
View attachment 157964
Just went out and measured the rear of the frame is 51 inside and the front is 29 inside.
I did see the steering gear also had 3 bolts through the frame. Tell me a little more about checking the rear.with that picture the upper is a G body upper, I guess the angle the upper was on in the other picture tricked me.. You should check the rear to see if it is a G body, a quick look at how the wheel cylinder is secured. If it's a G body rear there is a ring that holds it in place
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