Originally posted by jbrow1
The duratrax head is a good one. I run it on my cv. You shouldn't overlean the motor just b/c of the head. It looks much better than the stock head, and is supposed to cool much better as you said. I've always had plenty of smoke running at 220. Great little motor. Especially since it's so cheap, and rebuilds are only 20 bux or so.
So can I lean it a little more (gimme an idea of the mixture settings) to get a bit more power and economy? Since rebuilds are soooo cheap, I don't mind trading a little life for more performance.
Is the Duratrax head machined? Or is it cast like the stock O.S. CV head?
Thanks in advance