I'm giving it a shot tonight.I'm goin to port my poulan 295 spare engine and put it on tomarrow and let you all see what it will do.I'm just grinding a littel out of the exhaust side.i took the sleeve out and grinding down the lip in it.and then i'm goin to need some advice on the intake side though.i don't know how far to go with it.so fellers if you can i need all the advice you all got on the intake side.