Stock engine mods

[67chevl]

Has anyone taken the stock 30cc engine and cleaned up the intake and exhaust. Maybe even opened them up a little bit? Just curious as to how these perform as to the ones purchased from DDM or other stores?

 

[rcspeedmart]

You can rebuild the top end

http://www.oneillbrothers.com/rc-car/top-ends-upgrade-kits/race-ported-2-bolt-30-5-upgrade.html

and will give you more power over the stock.