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Author Topic: 70mm pistons 070/090  (Read 1117 times)

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Offline ej

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70mm pistons 070/090
« on: February 01, 2015, 09:16:44 pm »
I bought a brand new 090 stihl i'm taking the cylinder and making a 2 piece head for it and I got 70mm big bore pistons getting made for it trying to copie the legendary 10 cube big bore 090 stihl could be used everyday or full blown race saw in the beginning stages right now.
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Offline aclarke

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Re: 070/090
« Reply #1 on: February 01, 2015, 10:12:13 pm »
EJ, sounds cool. The original 70mm pistons were very heavy! Nice light piston would be sweet
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Offline ej

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Re: 070/090
« Reply #2 on: February 01, 2015, 10:35:27 pm »
I asked them to make them as light has possible they don't have windows but I was thinking cutting them in and that would help some :o
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Offline aclarke

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Re: 070/090
« Reply #3 on: February 02, 2015, 12:14:25 am »
Good deal!!!
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Offline Cut4fun .

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Re: 070/090
« Reply #4 on: February 02, 2015, 09:59:50 am »
Welcome EJ.   Good to see you about again.

For folks that dont know EJ.

07 video Chardon  furthest away EJ and I think closest is Bud Smitley

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Offline EHP

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Re: 070/090
« Reply #5 on: February 02, 2015, 12:13:07 pm »
EJ if your building a saw hotter than stock you need to do a couple other things , first make sure your crank has the 1 piece rod not the 2 piece rod , next lighten the **** out of the flywheel or your going to break the end off the crank , myself I shorten the crank of flywheel side and made the 064 coil/flywheel setup work, stopped breaking cranks as this saw had broken 5 already , next once you get your motor making big power the clutch will not handle it , the 6 puck clutch presses on and besides welding it to the crank it doesnot like staying where its to be and the clutch springs break
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Offline ej

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Re: 070/090
« Reply #6 on: February 02, 2015, 08:24:10 pm »
I bought some china made 090 they have the electronic and the 1 piece rod was going to give them a try and see how they run stock first. maybe work the kinks out
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Offline Cut4fun .

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Re: 070/090
« Reply #7 on: February 02, 2015, 08:38:19 pm »
Those china 070 selling for $595 here.  Hadnt seen any whole 090 listed yet.
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Offline ej

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Re: 070/090
« Reply #8 on: February 02, 2015, 08:50:25 pm »
kevin somebody on this sight is selling them for that??
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Offline Cut4fun .

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Re: 070/090
« Reply #9 on: February 02, 2015, 09:03:15 pm »
No on Columbus Craigslist.

 Now there is a guy Dave in the where to buy online board CCC DD has connections to china stihl parts.
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