J&G liner questions

Scott replied the topic: Re:J&G liner questions

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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.
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Scott replied the topic: Re:J&G liner questions

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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.
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Scott replied the topic: Re:J&G liner questions

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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.
#6878
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Scott replied the topic: Re:J&G liner questions

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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.
#6879
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Scott replied the topic: Re:J&G liner questions

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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.
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Zitch replied the topic: Re:J&G liner questions

very, very interesting steps!
quality, good photos,
I story it for future,

it's no so hard to do same,

thanks a lot!!


Skott,
in the one current of modding, please let me know your view point for piston weight. I use a Hanson M-cut pistons and happy. Some our guys are cuts off inside a pistons and gets it less 20-19 gramm...and try to less...
#6885

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Scott replied the topic: Re:J&G liner questions

Zitch wrote:
I always do MAJOR lightening of my Zenoah pistons.
The J&G top end pictured was assembled with one of the Newer RCMK S-254 pistons. They are VERY light weight, tapered shape & a nice fit & finish. * Did have too trim the squish contact area on piston @ .010" to get the right clearance tho.
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.
#6886

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wmupilot replied the topic: Re:J&G liner questions

Thanks for the great info Scott. I'll post some results after mods are completed over the weekend.
#6892

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Zitch replied the topic: Re:J&G liner questions

for your information,

after the honing repair, my engine ask me to move a tune pipe little bit back, to longer :? :? :?
#7131

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Scott replied the topic: Re:J&G liner questions

Loss of torque from piston ring not seated in yet would be my guess.

* Did you install a Fresh ring ?
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.
#7133

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