I have a rod knocking in my 22r and i can get a good 20r block for cheep and was woundering if the head off my 22r would work on the 20 r block and if so are there any mods i have to do to make it work?
Why not swap cranks? They are the same. Bearings and gaskets are cheap. Also if your motor is newer than an 84 it will not fit without very costly mods. Deck height changed, If you do put a 20r under a 22r head you will lose power due to a loss of cc's.
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