Willies are proven to deliver more power then the factory says
Mine did 139,9 hp atw with 300k on it and only a sebring back box.
And yes, it was on a correct dyno.
However 172's mostly deliver less then factory says
Willies are proven to deliver more power then the factory says
Mine did 139,9 hp atw with 300k on it and only a sebring back box.
And yes, it was on a correct dyno.
However 172's mostly deliver less then factory says