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- February 24th, 2017, 10:15 am
- Forum: Engine Discussion
- Topic: In need of cheep 1/4 scale engine between 25cc and 45cc
- Replies: 21
- Views: 18125
Re: In need of cheep 1/4 scale engine between 25cc and 45cc
First off we've been CNC porting coming up on 5 years now. The free port that you're speaking of could only happen if we lowered the exhaust port which we have never done to any of our engines. Our 30.5cc engines are built for torque and the only work done to the exhaust port is breaking the chrome ...