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71 small block to big block frame mounts

3K views 1 reply 2 participants last post by  Big Dave 
#1 ·
hi all,
i am new to this site, but have a question on engine frame mounts. i own a 71 ralley nova that has the original 307 in it (cracked block). i want to install a 454 big block chevy engine in my car. i have heard many different answers in changing out the frame mounts. can i use 307 motor mounts on the engine for a correct installation using my existing 307 frame mounts? or do i have to change the frame mounts to big block mounts?
thanks for the help.
by the way, great site!!!
warren
 
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