Losi 5ive big bore upgrade?

[witeboy07]

It's it worth it to upgrade from stock to 30.5cc big bore kit or just buy a better engine?

 

[hamz9561]

The big bore kit is a good way to upgrade the engine without a lot of extra cost. It will be better than stock in power.

 

[gt2racespec]

well my bro bartolone builds really awesome engines .look up bartolone racing . 28.5 port engine is the way to go . if you want to spend more $ get reed engine