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The crank and armature plate assy looks like typical 600cc stuff. (the plate were used on some 500 fishing motors too) The coils are of the old '60s design. The 600cc sport cranks have a little "+"...

With the 3-point ignition and the bottom-hose carbs & air horns, if they belongs to the block it is most likely of a Tornado/55sport motor. About '70-'72 era. The 600cc was originally launched in '63...

I think the O'Dea clarification letter is about correct, except for when they quit the 500 work and Volvo got involved (they bought the Crescent company in 1973). Makes sense, right? I'll bet it's...

This looks like the typical 600cc block. It's origin could be of the Tornado or 600gtx. It could also be a hopped-up fishing block or an early E50. A picture of the crank and a piston could maybe...

Very interesting reading & pictures John!!

Sam the only Crescent at the Bundys are the decals, they are all-out Italian motors. The Crescent company had them imported to Sweden and re-decaled with start in '62-'63, this was ongoing for a few...

Thanks again for great info about the later gearcases!! Re the P50/PR55, i have always looked upon this motor as an early, racing enginge because the rope plate says "PR55 / serial 154931" and it...

Great info I almost had enough, truly enjoyable! Those aftermarket gearcases from Hubbel (and others) where they of superior design like extended usage of ball bearings/sleeker body or was it more of...

Hi!
While searching for timing info for a V4 Strangler I found this thread, nice to see there are discussions about the older stuff too! I am wondering if this is the "correct" gearcase for a PR55,...