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Fralind - I've read you can overbore the HP2S cases/cylinders more than the OHV R1200 engines. Can you overbore the dual overhead cams R engines to 106mm? How much can you overbore the OHV?
Who makes the crank? How much?
Anyone adding 3rd main bearings to the cases to put a main crank bearing between each rod journal?
Thanx in advance
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