Porting by ME!

I got all my porting tools from an industrial supply store in my area! All kinds of different metal cutting bits and sanding and polishing tips! Try your local industrial supply store.

Get a Dremel tool from Home Depot and go for it, there's nothing to it. " title="Smile">

Removing material is easy....Putting it back, Not so fun.

[quote="squidword":23ap2ywz]Get a Dremel tool from Home Depot and go for it, there's nothing to it. " title="Smile">[/quote:23ap2ywz]
Sure, its simple. Just hog out the ports because more is always better.

[quote="squidword":2wypimbo]Get a Dremel tool from Home Depot and go for it, there's nothing to it. " title="Smile">[/quote:2wypimbo]LMAO , Yeah the dremel is awesome, I'm sure that's what PC uses! " title="Laughing"> " title="Laughing"> " title="Laughing">

Harbor Freight !

what kind of epoxy are you supposed to use to fill them in??

[quote="pilotx253":1tuxme0d]Where can I get some good porting tools? What works best? I have two cylinders for a KX250-one was done by Pro Circuit and the other is stock, I would like to duplicate it, for the most part.
" title="Wink">

P.S. Don't tell Mitch.[/quote:1tuxme0d]

Hey you ought to try some dentistry work on some of your buddies also.

http://www.ccspecialtytool.com/ is the best place I have found for porting tools. They have pretty much everything you need.

[quote="ACMYERS":vn8un0ur]Removing material is easy....Putting it back, Not so fun.[/quote:vn8un0ur]
I thought that's what JB Weld was for?

[quote="Racer92":1v1pv1sd][quote="squidword":1v1pv1sd]Get a Dremel tool from Home Depot and go for it, there's nothing to it. " title="Smile">[/quote:1v1pv1sd]
Sure, its simple. Just hog out the ports because more is always better. [/quote:1v1pv1sd]


Freaking Hilarious !
Why not use a hammer and a dull chisel.

As a professional engine builder, of snowmobile engines, and quite a few race bikes, I cant help but tell you to save your money, and just pay Pro Circuit for the other cylinder. Decent porting tools are big cash. You will spend 500 minimum to get rigged up. And, if you dont have a good knowledge of port timing, and overall engine design, you are wasting your time. Then, if you wreck the cylinder, which you probably will, you are out that cost too. You can copy, for sure, but you probably still wont be there, cause there is more there than meets the eye in most cases.
Now, can you borrow some porting tools? Cause if you can, then Id say have at it. If you cant afford the good stuff, then there is a good chance that you will wreck it with cheap porting tools. Not trying to be a stick in the mud, but its the truth.

[quote="MadMaxPerf":oczickfm]As a professional engine builder, of snowmobile engines, and quite a few race bikes, I cant help but tell you to save your money, and just pay Pro Circuit for the other cylinder. Decent porting tools are big cash. You will spend 500 minimum to get rigged up. And, if you dont have a good knowledge of port timing, and overall engine design, you are wasting your time. Then, if you wreck the cylinder, which you probably will, you are out that cost too. You can copy, for sure, but you probably still wont be there, cause there is more there than meets the eye in most cases.
Now, can you borrow some porting tools? Cause if you can, then Id say have at it. If you cant afford the good stuff, then there is a good chance that you will wreck it with cheap porting tools. Not trying to be a stick in the mud, but its the truth.[/quote:oczickfm]


This is Motodrive.

[quote="rockcrawlerdude":qly6f1ct]what kind of epoxy are you supposed to use to fill them in??[/quote:qly6f1ct]

Duct Tape.

[quote="teggers":4pbk7fql][quote="MadMaxPerf":4pbk7fql]As a professional engine builder, of snowmobile engines, and quite a few race bikes, I cant help but tell you to save your money, and just pay Pro Circuit for the other cylinder. Decent porting tools are big cash. You will spend 500 minimum to get rigged up. And, if you dont have a good knowledge of port timing, and overall engine design, you are wasting your time. Then, if you wreck the cylinder, which you probably will, you are out that cost too. You can copy, for sure, but you probably still wont be there, cause there is more there than meets the eye in most cases.
Now, can you borrow some porting tools? Cause if you can, then Id say have at it. If you cant afford the good stuff, then there is a good chance that you will wreck it with cheap porting tools. Not trying to be a stick in the mud, but its the truth.[/quote:4pbk7fql]


This is Motodrive.[/quote:4pbk7fql]

No, this is entertainment that even HBO can't bring.
LMAO.

first off, copying someone elses work isn't going to tell you anything. buy as many books as you can and start from there.

second, you guys can laugh at him all you want... but people laughed at me in the beginning to. but i was serious when i first started... i was reading, learning, and testing on my own stuff while my friends were out partying.

ccspecialties is the place to start... link was posted above.

just another tip before you immerse yourself into this proffession. i have well over $150,000 worth of equipment to do what i do. and i don't get rich doing this... but i enjoy my job.

My dad used to port my bikes. I was always nervous, but he never did anything overboard, just cleaned it up some. Like williamsmotowerx, he read a lot and did a lot of tear downs. He also used to try other mods, like filing carb slides, etc.

[quote="MadMaxPerf":m8zl23lg]As a professional engine builder, of snowmobile engines, and quite a few race bikes, I cant help but tell you to save your money, and just pay Pro Circuit for the other cylinder. Decent porting tools are big cash. You will spend 500 minimum to get rigged up. And, if you dont have a good knowledge of port timing, and overall engine design, you are wasting your time. Then, if you wreck the cylinder, which you probably will, you are out that cost too. You can copy, for sure, but you probably still wont be there, cause there is more there than meets the eye in most cases.
Now, can you borrow some porting tools? Cause if you can, then Id say have at it. If you cant afford the good stuff, then there is a good chance that you will wreck it with cheap porting tools. Not trying to be a stick in the mud, but its the truth.[/quote:m8zl23lg]

If all that is true, then why did you start doing it?

Everyone has to start somewhere. It's not like what we do is some dark-art, what we do is simple flow-dynamics and applied physics. Anyone with the proper knowledge and the time and patience to learn what we know is capable of doing the same thing.

pilotx253: I agree with Jesse that copying the other cylinder is not the best way to learn, but it is one way. When you cut the ports and the put the top end back on and it doesn't run the same as the original, take it back off and look at what is different. Ask questions. Read all the books you can find on the subject. Get "good" tools, they make a HUGE difference. Remember, the port "window" is only one part of it. The fuel/air mix has to pass through the port tunnels too. Their size/shape/texture/curvature can have a huge impact on the way the engine runs.

I started porting because I got tired of paying someone else to do it. So I pulled my ported top end and got a new one, and tried to figure out the differences. Yes, the first one ran like shit. Yes, I've ruined cylinders (we all have). But yes, I love what I do.

-Steve

[quote="david":159dyomv]http://www.ccspecialtytool.com/ is the best place I have found for porting tools. They have pretty much everything you need.[/quote:159dyomv]
What he said.

[quote="pilotx253":b97eybwc]Any books that you would recommend.....[/quote:b97eybwc]

http://www.amazon.com/Two-Stroke-Perfor ... 354&sr=1-1

Mr. Bell's book should be required reading.

-Steve

[quote="williamsmotowerx":2usy9z6r] and i don't get rich doing this... but i enjoy my job.[/quote:2usy9z6r]

Which is how it is for a majority of businesses in this industry

[quote="pilotx253":34vds790]Thanks for all the info guys....and I got a few good laughs out of it myself! Being very cautious about this whole deal-I think I can do some very basic clean up of a few ports, but have come to the realization that I really need to spend some dough to do what I would like to accomplish (and do my cylinder any justice).

Any books that you would recommend.....I vaguely recall a MXA article on Mike Hooker, or Mitch at PC citing a old 2 stroke tuning book. I have always been fascinated with two stroke performance, don't want to spend much because its becoming a lost art.[/quote:34vds790]

The part where you said you would be very cautious about this is the key. Bikes now days are ported very near the edge. Gains are small, and its usually the whole package that ends up making the large difference.

Now, as for the rest of you panty-wearers, I didnt say dont do it, I strongly cautioned him. I started it cause I was fascinated by engines. Always was, always will be. I had one of the worlds top engine builders as a close freind, so that helped a ton. He had the 250,000 worth of CNC machinery, and knowledge to get me going. So, that was a real blessing. Two strokes have the inherent design that builds alot of power per CC, but with that comes poor cooling, so there are a few things about the two stroke that are undesirable. They sure sound nice though.

doesnt eric gorr have a book about porting? i know in one of his books he tell you what needs to be done to certain year bikes etc might be intersting to get that one as well...