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Olds64 · 08-25-2007, 03:47 PM

I have been considering a similar swap in my 64 98. I think it would be cheaper in the long run to rebuild a 350 / 455 and TH combo than rebuilding a 394 and Slim Jim. Actually, I KNOW it would be cheaper. I have been pricing rebuild parts for the 455 and 403 and they are much cheaper than 394 parts. I rebuilt the 394 in my 98 years ago and couldn't get the parts I needed to do the rebuild the right way (at least not at the price I wanted). I didn't put new valve train parts into my 394 and now I am paying for it with valve noise. The only problem with using a 350 / 455 is that it would take alot of work to get the engine and tranny to fit.

08-25-2007, 03:47 PM	#3 (permalink)
Olds64 Landyacht Club President Join Date: Jul 2007 Location: Lawton, OK Posts: 1,590	I have been considering a similar swap in my 64 98. I think it would be cheaper in the long run to rebuild a 350 / 455 and TH combo than rebuilding a 394 and Slim Jim. Actually, I KNOW it would be cheaper. I have been pricing rebuild parts for the 455 and 403 and they are much cheaper than 394 parts. I rebuilt the 394 in my 98 years ago and couldn't get the parts I needed to do the rebuild the right way (at least not at the price I wanted). I didn't put new valve train parts into my 394 and now I am paying for it with valve noise. The only problem with using a 350 / 455 is that it would take alot of work to get the engine and tranny to fit.