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661 coils

mdavlee

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Seems like the Euro coil ain't as strong ?
It's limited so I'll have to adjust, time, and repeat. That's what we're going to do today. There's .2 seconds difference in cut times to the 4700 right there.

The limiter is part of the funny sound. The fast tach reads all the coils so far.
 

Keith Gandy

Maxima K2 40:1 87 Pump Gas
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It's limited so I'll have to adjust, time, and repeat. That's what we're going to do today. There's .2 seconds difference in cut times to the 4700 right there.

The limiter is part of the funny sound. The fast tach reads all the coils so far.
That 4700c sounded to carry more rpm in cut
 

Keith Gandy

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I wouldn't sell a good 385/390 to get one unless you just don't want to tune it anymore. 661 just feels like a little different 390 to me with similar power.
Ive ran a 661c with a muffler mod with a 32" bar buried in oak and it pulled like a freight train. Seems they like a long bar buried to hit that sweet spot!!:eek::D:rolleyes:
 

mdavlee

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Ive ran a 661c with a muffler mod with a 32" bar buried in oak and it pulled like a freight train. Seems they like a long bar buried to hit that sweet spot!!:eek::D:rolleyes:
They are good runners. Just not sure it's worth a premium over a 390 unless you bleed stihl[emoji12]
 
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