In article >,
tricky > wrote:

> > You will be blown away by the performance. Take care, however. You CAN
> > over-rev a dual carb ACVW! (For the rest - you with single carbs have a
> > restrictor - the carb itself.)
>
> If you think this might be a problem, you can get rev limiting rotor arms

Got one and it does not work. Fortunately my engine is so well balanced
that it soars to 8,000 RPM with no damage. I've had it to 9,000. The rev
limiting rotor was set to 7,000. Not working.