Author Topic: Black Piston  (Read 615 times)

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Offline dpjones

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Re: Black Piston
« Reply #20 on: September 22, 2017, 12:29:52 pm »
deezlfan, The exaust is blowing the same as stock, out the chain side on the 3 saws.
I thank everybody for the input, can't get this kind of info around here. I don't know of anyone milling and what very few friends I got think I'm crazy for using saws when I don't have to.
DJ
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Offline Cut4fun .

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Re: Black Piston
« Reply #21 on: September 22, 2017, 01:09:29 pm »
That looks the same as mine, wouldn't it do the same in a dirt bike? When my son had a Suzuki 125 RM I think, very powerful, that's what we were told was best to run and we did. I rebuilt it and don't remember that or stuck rings so I thought it be good for saws or any 2-stroke. Guess not

I only seen it in very hard worked saws like stumping and ripping etc. Lot of heat.  Not just normal easy cutting type stuff.
Went to KL200 Original 100% synthetic and never seen it again. Thats why I blame the 20% castor in the super.
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Offline dpjones

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Re: Black Piston
« Reply #22 on: September 22, 2017, 01:57:15 pm »
That's the caster cooked on there then, I'll see if I can find the KL200. I figured someone would have said just buy stihl oil.


Offline Nathaniel Vansickle

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Re: Black Piston
« Reply #23 on: September 22, 2017, 05:06:15 pm »
That's the caster cooked on there then, I'll see if I can find the KL200. I figured someone would have said just buy stihl oil.

Never hear me say buy Stihl oil but I will say....stick to quality synthetic FD rated OPE formulated oil, no guessing if its gonna leave carbon or caramelize on the piston from heat. Run 40:1 for everyday cutting and listen to some experts on ratio to run when milling.



Stihl oil, orange bottle and the silver bottled Ultra are both crappy oils and only meet JASO FB specs which means they leave behind allot more carbon and deposits than most other oils out there today. 
5105H and 6400H in stock

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Dolmar, Echo, Jonsered


Offline dpjones

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Re: Black Piston
« Reply #24 on: September 22, 2017, 08:44:46 pm »
This last oil I bought says  JASO FC/FD-ISO-L-EGD

Offline mdavlee .

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Re: Black Piston
« Reply #25 on: September 22, 2017, 09:28:30 pm »
I milled with the Super template and maxima 927 castor. The tune has to be more spot on or you get the results like the gunked piston. Amsoil saber seems to work good as does the new VP oil. Echo red armor also works very well.
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Offline dpjones

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Re: Black Piston
« Reply #26 on: September 22, 2017, 09:34:54 pm »
I finished up a red oak log today and it sounds rich, here's the plug

Offline Al Smith

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Re: Black Piston
« Reply #27 on: September 26, 2017, 05:53:33 am »
To me it looks like it's burning chain oil but I have no idea how it could get in the crankcase .

Offline dpjones

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Re: Black Piston
« Reply #28 on: September 28, 2017, 12:57:26 pm »
I hope it's just  Motul 710 and not chain oil
Thanks
DJ

Offline dpjones

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Re: Black Piston
« Reply #29 on: September 29, 2017, 04:43:39 pm »
660 tached out at 10,200 rpm
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