Author Topic: Partner 550 650 P70 7000  (Read 6409 times)

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Offline Mastermind

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Re: Partner 550 650 P70 7000
« Reply #30 on: April 20, 2012, 12:04:10 am »
First P70 I have seen woods ported. Looking good.

http://www.youtube.com/watch?v=XuE_XUoG1NM

Hey......I know that guy.

I have a pile of 55s and 65s that I'm building a 4 cube out of. I'll be posting here on those builds.
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Offline rburg

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Re: Partner 550 650 P70 7000
« Reply #31 on: April 20, 2012, 08:29:32 pm »
I believe I have run that partner.

Offline Mastermind

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Re: Partner 550 650 P70 7000
« Reply #32 on: April 20, 2012, 09:09:57 pm »
Yes you did. That's one saw I should have hung onto. But......you can't keep them all.
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Offline SawTroll

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Re: Partner 550 650 P70 7000
« Reply #33 on: April 27, 2012, 10:30:03 am »
I have both ported and non ported P70 and 7000+, P70 has the T-port the 7000/and plus do not. Plus is harder to start and I find No difference in power. My best one is a low hour P70 with T-port ported, it pulls with anything out there today!
K650/700 cylinder has larger ports and a wider intake track, is the best but NOT THE OPEN PORT Chinese, can't quite get a BOG outta the two I put together????? might be a timing issue but K series flywheels wont fit  chainsaw cases. lost interest in that combo decided to stick with P70's

Side note: my old small cooling fin 65cc Farmer ported (bridged intake/exguast) is just as fast if not faster than my ported P70's, I compared it many times!!!! has alot higher compression ratio and you feel it when you pull it over.

Duane

Hmmmmm?? ???

When the P7000+ came out, they said there was a 15% power boost over the P7000, to 3.5 kW....

According to specs it wasn't 15%, but still over 10%, from 3.1 to 3.5 kW.

Online Tractorsaw1

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Re: Partner 550 650 P70 7000
« Reply #34 on: April 05, 2014, 09:27:12 am »
Any updates on picking a cylinder to upgrade a 550?  It seems like there are a lot of the K650/700 cylinders out there, are there any closed port ones that are good?  Also what other parts are compatible with the 550, the pioneer partner platform of saws I have no clue on.  Thanks!

Offline Cut4fun .

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Re: Partner 550 650 P70 7000
« Reply #35 on: April 05, 2014, 11:58:17 am »
Just learning on these as we go. So correct me if I get something wrong.

In my past post here I stated 550 was 44mm bore and 36mm stroke.

I found a used partner P65 P+C on feebay that says 48mm bore. Closed port.

I would swear from looking at pics of the aftermarket ones I am seeing both closed and open port ones offered in these here. PARTNER K650 K700 650 700 says 50mm. 

partner p70 7000 50mm too?




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Offline Cut4fun .

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Online Tractorsaw1

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Re: Partner 550 650 P70 7000
« Reply #37 on: April 06, 2014, 09:44:55 am »
Kevin, you got a pretty good eye for these, you'll have to point me to one of the closed port 50mm.  I was hoping someone would chime in with one they picked up that was good or to stay away from.

Offline Cut4fun

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Re: Partner 550 650 P70 7000
« Reply #38 on: April 06, 2014, 12:10:56 pm »
I know very little on these saws.

 You wanting used oem 50mm or aftermarket 50mm. 
That used 48mm closed port looked nice too and 4mm bigger bore then 44mm on it.
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Online Tractorsaw1

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Re: Partner 550 650 P70 7000
« Reply #39 on: April 06, 2014, 12:26:48 pm »
Does not have to be new, seems like earlier in this thread a guy mentioned the k650 jug had bigger ports, I really no nothing on these.  used 50mm would be good to, I agree, I am eyeing up that used 48mm, I believe he said that p65 jug was as fast as his 70?  I need to go back & look into what all was said exactly, I prolly got some of it wrong.  Just trying to find out if any of the aftermarket k650 are worth a hoot or not.  Any input is appreciated!

 

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