Quote:
Originally Posted by IawoBill
If this has been covered before, I apologize but did not find a good thread. I would like to swap out the 305 in my recently purchased '83 GP for a Pontiac 400 and wanted to know what I need to do about motor mounts? Search for a older model GP with a 301 and scavenge those parts? Thanks in advance for any help.
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The 301 engine mounts from an earlier GP would do the trick. Also the headers designed for your conversion are normally based off that combo.