Porting tools

[kawa110]

You don’t need to report if you choose the last option.


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[the boris]

You don’t need to report if you choose the last option.


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I do because if it's shit why would I let someone else end up with pain in the bum like me.
Sharing is caring, peace brother

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[the boris]

I'm doing this for my own sake, just something new to learn, so I'm trying to do it as cheep as possible. There is no point spending 1200 bucks on something I'm not going to make mone from.

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[Toybreaker]

I started porting banshee cylinders by copying a set of my friends. Took measurements from the top and bottom of the cylinder and mapped it all out. Then after I did that set actually read up on it and learned what I was actually doing.... port timing, not increasing volume.

Made my own degree wheel at work with a rotary engraver and .090” thick plastic, and did my next set with the degree wheel. That set was better than the first,


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[the boris]

I started porting banshee cylinders by copying a set of my friends. Took measurements from the top and bottom of the cylinder and mapped it all out. Then after I did that set actually read up on it and learned what I was actually doing.... port timing, not increasing volume.

Made my own degree wheel at work with a rotary engraver and .090” thick plastic, and did my next set with the degree wheel. That set was better than the first,


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I have a set of old cylinders with questionable port job, I might take a look into them, the bike use to run like raped ape with that set but never run it on dyno, and relaying on feel is not the best measure of hp.
Anyway, I might end up mapping them and comparing it with stock ones.

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[Metal_man_Rob]

Where can I find some decent write ups on 2 stroke porting and what effects different geometries have and why? 

[ClaudeMachining]

3 hours ago, Metal_man_Rob said:

Where can I find some decent write ups on 2 stroke porting and what effects different geometries have and why? 

First one : Diagrams height

Second one: It's all about angle

 

[375hp banshees]

Oui oui

 

 

 

 

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[ClaudeMachining]

Oui oui
 
 
 
 
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He was laughing about my english, let's see if his french is better than my english ;-)

But those videos are very good. Exaclty what he asked for.

I ♡ MetalBob

[Metal_man_Rob]

Frere Jacques, Frere Jacques, Dormez-vouz, are you sleeping? Ring the bells for Claude.


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[Metal_man_Rob]

Frere Jacques, Frere Jacques, Dormez-vouz, are you sleeping? Ring the bells for Claude.


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[Metal_man_Rob]

24 minutes ago, ClaudeMachining said:

He was laughing about my english, let's see if his french is better than my english 😉

But those videos are very good. Exaclty what he asked for.

I ♡ MetalBob
 

I can't even talk shit on this one... only thing is, I said "write ups" not "videos". Those are different in English. 😆That was good though. You're still a dick.

[Metal_man_Rob]

multi post

Edited January 9, 2022 by Metal_man_Rob
multiple postimg

[Metal_man_Rob]

multi post

Edited January 9, 2022 by Metal_man_Rob