Sold NEW CMB 67 EVOlution Twin Plug

Timbo Whalen · Feb 12, 2023

We're offering an NOS CMB 67 EVO, never seen a drop of fuel.

Sale comes complete with NOS P&L, bearings, header kit, head shims, and a used Mac's 67 pipe- a few scratches, NO dents.

This engine has had the rotor properly clearanced, is setup for 40%-50% nitro.

The price is $550 + shppg.

Cross Posted Elsewhere

Thanks for looking.

Chris Wood · Feb 14, 2023

absolutely one of fastest 67 motors i ever had.. Gotta cut it up but man it was a winner.. Put a 1" bellmouth on that carb it is worth 5mph all day

Timbo Whalen · Feb 14, 2023

Chris Wood said:
absolutely one of fastest 67 motors i ever had.. Gotta cut it up but man it was a winner.. Put a 1" bellmouth on that carb it is worth 5mph all day

And the Tidewater square bore barrel adds approx. 20% more air flow, drill the spray bar a bit- more power!

Chris, I'm on the fence with selling it... it should make a great Scale engine.... they're a torque monster.
If I keep it, we'll start at 190 on Ex., haven't measured transfer/boost or rotor yet, but we've a good idea where to start. Sleeve's going to need cutting and beveled at bottom, and some other flow enhancements.
Your dad told me what a powerhouse yours was.
There's single plug buttons available out there, too.
Thanks!

Chris Wood · Feb 15, 2023

i would keep it. run that thing till the piston and sleeve are junk. It will compete with any motor out there today.. make sure the disc rotor is lapped flat and backplate is .008-.010 clearance.. and yes square out the carb inlet.. also clean up the exhaust caseing port. and a single plug head works just fine

Timbo Whalen · Feb 15, 2023

Chris Wood said:
i would keep it. run that thing till the piston and sleeve are junk. It will compete with any motor out there today.. make sure the disc rotor is lapped flat and backplate is .008-.010 clearance.. and yes square out the carb inlet.. also clean up the exhaust caseing port. and a single plug head works just fine

I've got it set at .005" now with no
Interference....just removed the gasket and used Yamabond. The OEM clearance was .012".
Yes, we debur and polish the exhaust duct on all of our engines, making sure the transition into header is perfectly seamless.
Have to find an end mill bit small enough diameter to mill out integrated carb on rotor cover for Tidewater sq. bore barrel, too.

Don Ferrette · Feb 15, 2023

They should have never stopped making the Evo disc rotor 67s.................

Alan Elzer · Feb 16, 2023

I have lots of parts for this engine. Cranks, p/sleeves (got a match set that Steve wood did) rods, both style head buttons & a complete rtr engine that Steve setup. But no extra disk rotors. 1 extra used motor (but have parts to rebuild) if anyone interested

JeremyThorn · Feb 24, 2023

Alan Elzer said:
I have lots of parts for this engine. Cranks, p/sleeves (got a match set that Steve wood did) rods, both style head buttons & a complete rtr engine that Steve setup. But no extra disk rotors. 1 extra used motor (but have parts to rebuild) if anyone interested

Hi Alan,
I have two of these motors for my rigger and I love them. It runs so reliably it's unreal. I do need a low end needle, crankcase gaskets, head shims (I will never touch salt water again) head button, carb barrel retainer screw. Trying to make sure i can keep going for a while with my son until i have to upgrade to the new motors, eventually but not right now. I dont want to really buy a whole new "old school Evo" for the price of a newer model when parts are harder and harder to find for them. Heck send me a list of what you have and your asking price if you don't mind.
Thank you.

jim kapanowski · Feb 24, 2023

I have two new 67 and two new 80

Alan Elzer · Feb 24, 2023

JeremyThorn said:
Hi Alan,
I have two of these motors for my rigger and I love them. It runs so reliably it's unreal. I do need a low end needle, crankcase gaskets, head shims (I will never touch salt water again) head button, carb barrel retainer screw. Trying to make sure i can keep going for a while with my son until i have to upgrade to the new motors, eventually but not right now. I dont want to really buy a whole new "old school Evo" for the price of a newer model when parts are harder and harder to find for them. Heck send me a list of what you have and your asking price if you don't mind.
Thank you.

Jeremy text me at 812-453-8137 & I'll call you back tomorrow & we'll just talk. Give me email to send photos to as well. Alan

JeremyThorn · Feb 24, 2023

jim kapanowski said:
I have two new 67 and two new 80

Hi Jim,
What are you asking for them each?

jim kapanowski · Feb 24, 2023

JeremyThorn said:
Hi Jim,
What are you asking for them each?

Not for sale

dr gary turner · Feb 25, 2023

Timbo Whalen said:
We're offering an NOS CMB 67 EVO, never seen a drop of fuel.

Sale comes complete with NOS P&L, bearings, header kit, head shims, and a used Mac's 67 pipe- a few scratches, NO dents.

This engine has had the rotor properly clearanced, is setup for 40%-50% nitro.

The price is $550 + shppg.

Cross Posted Elsewhere

Thanks for looking.

Is it still for sale?

Timbo Whalen · Feb 25, 2023

dr gary turner said:
Is it still for sale?

Everything's for sale, Doc.

Kent Fowler · Feb 25, 2023

Not sure what I'm going to put it in yet but I'll take it,,

Kent Fowler · Feb 25, 2023

That is if nobody else is taking it,

Timbo Whalen · Feb 25, 2023

Kent Fowler said:
That is if nobody else is taking it,

Kent, let me get back with you Monday....have someone elsewhere that expressed interest, will check with them and get back to you Monday.
PM me your address and I'll get a shipping price for you with equivalent insurance.

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