Originally Posted by
greenracing
Thanks guys for the replys, well os power, it's more about money bc i have a new speed rod and the mugen p/s cost 112.00 in A Main so i can do break in w the old rod and when the break-in is complete put the new one. But you got me thinking about putting the speed crankshaft in the mugen engine!!
if your looking for smoother power that will do it, you will take away punch by putting the speed crank into the JX.