RCMK Engine Modification

Scott replied the topic: Re:RCMK Engine Modification

I am doing mods for hire, as are CC racing, S&S and most of the bigger shops.
2 stroke Engine Tech of 30+ years, Prop tweeker, Chronic tinkerholic, Home of Motor Heads RC Racing Engines ...
8 time NAMBA National 6 lap heat racing record holder.
#7599

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janne replied the topic: Re:RCMK Engine Modification

Scott.

Thanks for doing this article :clapping:

Tryed your mods, and the result was GoooD

- Is ther any tuning updates for the new EVO Cylinder.

Thanks!
#7768

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Scott replied the topic: Re:RCMK Engine Modification

janne wrote:
Not yet ... just doing the review of the EVO in stock form.
2 stroke Engine Tech of 30+ years, Prop tweeker, Chronic tinkerholic, Home of Motor Heads RC Racing Engines ...
8 time NAMBA National 6 lap heat racing record holder.
#7769

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janne replied the topic: Re:RCMK Engine Modification

Scott wrote:
Okay!

Any initial thoughts or findings on the EVO?
--- hoping to get the full tunig update Sooooon

Once again THANKS!:drinks:
#7773

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Scott replied the topic: Re:RCMK Engine Modification

janne wrote:
Don't hold your breath too long .... the "EVO" Review is a week or two away yet.
Hopping up an "EVO" article is really not even been talked about at this point.

* Hang tough, the Review on the EVO is quite revealing on so much of whats been changed.
2 stroke Engine Tech of 30+ years, Prop tweeker, Chronic tinkerholic, Home of Motor Heads RC Racing Engines ...
8 time NAMBA National 6 lap heat racing record holder.
#7776

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Dicko replied the topic: Re:RCMK Engine Modification

Scott,

In the supplement, you sand down the Zenoah spacers to get the right tollerance on the wrist pin, would it be worth while milling the inside of the piston on a mill instead of sanding down the spacers?

Just a thought

Cheers
Jason
#12750

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Scott replied the topic: Re:RCMK Engine Modification

ONLY if you can do so having the surface you mill PERFECTLY square with pins bore and keeping rod centered between boss's.
Frankly 5 minuets of sanding on thrust washers is easier :P
2 stroke Engine Tech of 30+ years, Prop tweeker, Chronic tinkerholic, Home of Motor Heads RC Racing Engines ...
8 time NAMBA National 6 lap heat racing record holder.
#12751

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david36pt replied the topic: Re:RCMK Engine Modification

Hi guys
Hope everyone okay.
Need some adivise : have a 26cc crrpro engine marine i buy a rcmk kit head complet with head and piston .I m going to have major problems or its easy?

Many regards from Portugal
#13950
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Ozpulse replied the topic: Re: RCMK Engine Modification

Youve got the whole kit so as long as the cyl. bolt pattern is the same, stroke etc. it shouldnt be a problem.
One of the engine gurus on here will set you on the right path! ;)
Awwwww! Your little engine is sooooo cute!
#13951

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david36pt replied the topic: Re: RCMK Engine Modification

Many thanks
If one guru can give the steps and upgrades possibles to do in this items i will be very apreciated!
#13952

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