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Tuning

 
 
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  #26  
Old 11-13-2009
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more like a holtzman ATACC...

Jet it for the richest setting you think you will need and it will compensate for the rest
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  #27  
Old 11-13-2009
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Quote:
Originally Posted by MX86 View Post
more like a holtzman ATACC...

Jet it for the richest setting you think you will need and it will compensate for the rest
That is the one i was thinking of, the name just wouldnt pop into my head.
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  #28  
Old 11-14-2009
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I've been reading up since it was brought up. From what I read Rubi is correct. The previous versions of DPM used inputs to their on-board computer (ECU) such as engine RPM, throttle position, air temperature, engine water temperature and, on Summit models, ambient (barometric) pressure to determine the proper pressure to be applied to the float bowls for proper fueling. The newer systems have added a knock sensor which is crucial for fine tuning and running any motor on the ragged edge of power\efficiency and detonation. But the problem is there is no airflow sensor, which still says that a person should rejet if they ever put pipes on there DPM equipped sleds, however a sinlge pipe maybe such a little change that it wouldn't matter, but for my own piece of mind I would still rejet.
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  #29  
Old 11-14-2009
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pipeing a 600 cc twin is like tits on a tranny, might look good but when you get down to it they really dont change anything.
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  #30  
Old 11-16-2009
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Quote:
Originally Posted by flatlander_summit View Post
I don't know if he would have had to rejet, he should have hopped on Dootalk to ask. That sled is dpm which should mean that he'll never have to rejet that sled even with aftermarket parts on it.
I did try, nobody answered in time. This is the first Skidoo that anyone in my family has had, I know nothing about them. DPM is now cool though!
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