Hi Ral-Clan, et al.
I stumbled across this A500 speedup hack on Aminet (http://uk.aminet.net/docs/hard/500hacks.txt). A 150% to 200% increase in speed simply by getting a faster rated 68000 and doing a few simple mods? Can it possibly be that simple and easy?
Check out the original articles here:
http://aminet.net/package/docs/hard/14MhzA500It was originally a simple Saturday afternoon experimentation project by your's truly

The "E" clock from the CPU is also doubled, which some components may not be able to handle. Your mileage may vary.
I used to write a semi-regular column for the "Megadisc" disk mag here in Sydney, and that was one of them.
Was it really 24years ago?!?
Cheers,
Red