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Looking for at least (2) CMB .21 bolt on carb. Factory, Zoom, Speedmaster, KRE, Orlic, or any other that will bolt on a CMB drum housing. I have an original MAC .45 carburetor and an original MAC .84 .550” carburetor for possible trade. They are not for sale directly. Thanks.

Still looking for some more.

It’s hard to beat a JAE 21GT for price, performance & service.

Al will have them in stock very soon.

CMB Beta or K-21.

I learned a lot from Bob. Godspeed

Dead Horse? One of my all time favs!!!

Don’t forget, entry’s will open at 10am EST tomorrow morning on rcracingevents.com!

Sorry I missed out on the conversation, been racing down in FL with greased and oiled shafts! 🤣🤣Both work……

They look great, looking forward to building one!

Got Crabs?

It will be put online at 10am on Saturday 01/27/24.

The IMPBA Nitro Nationals is in October!?

K21 has more TQ and still revs. (I will be replacing all my CMB .21’s w/K-21’s when they are available). No need for a motor guy, set the head clearance (.008”-.010”) and go race.

From my in boat testing, the stock GPX revs better than the stock Beta Evo.

*****IMPORTANT UPDATE****** After meeting with the new owner of the property surrounding the AMB pond last night, it has been determined that we will need to change venues. This is due to construction activities that will be starting June 1 and they cannot guarantee undisturbed access to the...

That gas boat runs well!

https://stumpfabrication.com/collections/outrigger-hydro-parts/products/universal-21-45-delrin-motor-mount-system Can make it any width you need.

Don, If you have a small block for the right side still available, I’ll take it.

Looking for Charles Perdue Zoom Gen III carburetors to fit Nova 46 and CMB .21. Thanks.