If you want to enter and win shows with an all original truck then you can answer your own question.

If you want a truck to drive and use and have fun with, then put a 235 in it. It is cheaper, easier, and a better engine.
I suspect this is what you want, or you would have not asked the question to start with?

Grigg


1951 GMC 250 in the Project Journals
1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-