Author Topic: Partner 550 S55 P55 F55 65 650 P70 7000  (Read 11151 times)

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Offline timberdollars

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Re: Partner 550 650 P70 7000
« Reply #30 on: February 21, 2012, 11:01:55 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

 

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