Author Topic: timing  (Read 770 times)

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Offline jmester

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timing
« on: January 15, 2013, 07:56:29 pm »
What are some of the gains and draw backs from advancing or retard the ignition timing?  Also what is the purpose to do it.
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Offline TORX

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Re: timing
« Reply #1 on: January 16, 2013, 05:27:27 pm »
When advanced. You can gain some hp. But the saw may run hot and kick back when pull starting.

Offline jmester

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Re: timing
« Reply #2 on: January 16, 2013, 06:24:32 pm »
Are the best gains on a ported saw or a stock saw? How will you know if you went to far advanced.
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Offline TORX

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Re: timing
« Reply #3 on: January 16, 2013, 06:40:32 pm »
It all depends on the saw also. The ms201T gets good gains. A ms660 gets good gains. I heard some saws it does nothing.... What others and myself are doing is shaving off half the fly wheel key and advancing it that much. As far as which gets the best gains(stock or ported) i cant answer that.

Offline jmester

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Re: timing
« Reply #4 on: January 16, 2013, 07:03:55 pm »
How many degrees do you think that is with shaving half key down. Do you shave the whole key or just what sticks above the crankshaft. And yes the 201 does get some good gains. I did advance the timing on mine. Yes just trying to figure out what it made the engine do.
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Offline jmester

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Re: timing
« Reply #5 on: January 16, 2013, 07:06:24 pm »
By advancing the timing.
How many degrees do you think that is with shaving half key down. Do you shave the whole key or just what sticks above the crankshaft. And yes the 201 does get some good gains. I did advance the timing on mine. Yes just trying to figure out what it made the engine do.
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Offline 660magnum

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Re: timing
« Reply #6 on: January 16, 2013, 07:09:05 pm »
ABT half the key width is most do
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Offline jmester

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Re: timing
« Reply #7 on: January 16, 2013, 07:32:38 pm »
So you are saying half the entire key then.
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Offline 660magnum

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Re: timing
« Reply #8 on: January 16, 2013, 07:50:53 pm »
Take away half the width of the key in order to advance the flywheel that much.
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That knowledge can live after us... and that "Pays It Forward".
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Offline jmester

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Re: timing
« Reply #9 on: January 16, 2013, 07:53:18 pm »
I see what you are saying. Does advancing the timing on a 361 give good gains.
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