Jim, I am doing the same right now. These are the parts that I had to change: frame brackets that the motor mounts bolt to, the powerglide down shift linkage and the rod that went from the carb back to the linkage at the firewall. I found everything except the accelerator rod by posting ads here, purchased all the pieces and am very happy with all the transactions. One other piece I may have to use is the spacer that goes between the radiator and the support, the V-8's with the short pump had them and the six's didn't. The power steering pump and alternator will work but you need all new brackets for them and the A/C if so equipped. I've got the A/C stuff, brackets and compressor, and I don't think I'll be needing it. If you can get the V-8 with all the brackets it is easier than trying to put together a matched set.
You may want to keep the 6 stuff if it is original, the next owner may want it. Or you could decide to go back some day.
Ken, My car was originally a 283 which is what is going back in, did you want the install pieces or the engine?
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Philip Valentine
Team Chevelle Member #42 GOLD
phil[email protected]