my moby cylinders are 41.8 stroke. and i cant get them to run with the longer stroke crank
unless i could stretch the cylinder.
if i jack up the cylinder to get deck height correct the ports are all too high.
peak rpm at 12k which isnt what i want. i was hoping your derboi was 43mm stroke.
i know puchs are 43 mm stroke but stud spacing is way out. studs are outside the barrel. i might have to get creative and weld some alloy tubes etc