Correct motor to frame mount bracket from 231 buick to chevy 205

Klingerm

n00b
Dec 14, 2020
4
1
Need to find correct motor brackets to fit clam shell frame moints. I bought aftermarket but are to narrow to fit the clam shell
 

ck80

Royal Smart Person
Feb 18, 2014
2,027
113
Need to find correct motor brackets to fit clam shell frame moints. I bought aftermarket but are to narrow to fit the clam shell
When switching from a buick 231 to a Chevy 305 you need to switch the frame side mount pedestals as well, best bets would be out of a grand prix or monte Carlo that came with a Chevy 305, or, if your in Canada only a cutlass with Chevy 305.

You don't just use the buick frame side mounts on the crossmember and try to piece it together
 

565bbchevy

Geezer
Aug 8, 2011
8,187
113
Michigan
These are the frame mounts I used when going from an Olds to a SBC in my Regal but I already had a used set of the upper clamshells for it.
There are aftermarket uppers available but for a 305 swap I would just look for some good used ones but verify the car they came from since there are different height versions.
 
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