Quote:

I am sure that the point of the chamfer is to ensure a clean hole. Going back and adding one after the fact is not going to add anything extra to throttle response that is not already there with a 7/64 opened hole. If you did not add a chamfer going back afterwards and adding one is not going to improve anything.



anyway I have to open carbs this weekend to try thruxton needles and maybe some jets if parcel from Brent will be here


Grzegorz ......55 cubic inches http://www.flickr.com/photos/25172906@N06/ 904WisecoTPUSAcamsTTPignitorgutted Airbox"breath"airIntakeKeihinCR-ScarbsBlackEpcoExhaustS/SwheelsPortedPolishedHead