3 3/8" overbore kit in a MF 35 tractor

tkoppel

New User
Hello, Ive got a 59' MF35. The last overhaul on it's Z134 Continental engine was back in 1972 and I'm thinking of doing it again. My question is; if I use the kit with the overbore sleaves, how much of an horse power boost would there be over the standard bore? I guess it's the difference between a 3 5/16" as opposed to a 3 3/8" bore, so it's not a huge increase in cid, maybe 5 ci?
 
You probably won't even notice it. The thing with the z engine is the low compression ratio 6.6:1, if you could find the high altitude pistons that give you 8.0:1 compression ratio then you may notice that a little.
 

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