port timeing help? tuned pipe


New Member
Jun 6, 2012
gi fo all those that have done port mods im sure your have done a port timeing chart useing a degrea weel anywas to the point im trying to make a tuned pipe during my off season iv only got 2 weeks to have it fineshed and i nead the port timeing. if any one had the exhaust port angle the transfer port angle and the exhaust port area and a idea on the exhaust gastempther it would be greatley apresated

also its a 88/66 cc motor