Revo Cooling Head
 

Any recommendations on 2.5r cooling heads?

Rich

Also, does anyone know of a carburetor that will work in the 2.5r engine?

Rich

Carburetor, Cooling head???? I guess you mean ESC and heatsink! LOL, just kidding.

If In were you, I would save up for an OS .18. But I heard this Hardcore Racing cooling head is good. Carb? You might have to replace it with a stock one, but I am really no nitro expert.

Thought about the .18, but my modified 2.5r and leaving them in the dust. So, I will stick with this one until later.

What about that new motor? Not sure on make. I think it was a .23. It supposed to have like 3hp. I think sirio is the maker I think. It like 309.99 though. I put one cooling head on mine it messed with the motor some. Wish I could remember the name.

I like Nova cooling heads,they have a lot more fine fins than most replacement heads.My Sirio runs about 50F cooler with a nova head than the standard one with the same carb settings,with mc9 and o'donnell 25% race.

These look good too:http://www.acncm.com/SearchResult.aspx?CategoryID=11