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I've been reading some of the older threads about racing with Commandos. There is quite a bit of interesting discussion about using hopped up Commandos with standard bottom end for racing in the late 70s and 80s. If the engines and riders are viewed as disposable, then it worked OK.There is one comment that Dynamic Balancing of the crank " made the cases last longer"There is also discussion of racing with an all new engine, a Maney 1007 and having that disintegrate. I believe there was a 920 Maney blow up in there too.My takeaway is that you need to be very brave to run an aftermarket strengthened Norton style engine at the sustained high rpms seen in racing. You might need to be a little crazy to try that with stock cases and crank.Glen
I've been reading some of the older threads about racing with Commandos.
There is quite a bit of interesting discussion about using hopped up Commandos with standard bottom end for racing in the late 70s and 80s.
If the engines and riders are viewed as disposable, then it worked OK.
There is one comment that Dynamic Balancing of the crank " made the cases last longer"
There is also discussion of racing with an all new engine, a Maney 1007 and having that disintegrate. I believe there was a 920 Maney blow up in there too.
My takeaway is that you need to be very brave to run an aftermarket strengthened Norton style engine at the sustained high rpms seen in racing. You might need to be a little crazy to try that with stock cases and crank.
Glen
