porting ?

[odie]

what would you have to do If you ported the head on a 400ex witch has a different cam and piston.who you have to make adjustments to the carb?like richen the mixture.

[VegasEx'r]

When I had mine done I asked that, and the answer was no, you don't need to change the jets. I had it dynoed shortly after that, and the AF ratio was still correct. That was for a mild port job, dunno about more agressive port work.