Difference between revisions of "Port reshaping"
Revision as of 22:48, 19 March 2007
In port reshaping, you are changing the engine design in a fundamental way by changing the size and shape of the intake and exhaust ports - and hence the flow rate and timing of the engine.
This is a no-man's land of cracked rings, seized engines, and 'tuning' a perfectly functional engine into a boat anchor with a single stroke of the rasp.
Seriously, unless you have a bunch of spare cylinders, you don't want to do this.