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Gear Box VS Chain case

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#1 kirkking



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Posted 14 June 2017 - 09:46 PM

Good evening everyone only around 135 days or so till the white gold is down again lol


I have a question that might be stupid simple but i don't know. So i transplanted a 1200 into a 600 etec expedition when i was running her to align the track up i noticed that the speedo was only showing like 25 kmph and im sure i had her doing more then that spinning over.


So my question is where i took the 1200 engine and ECM out of a 2012 renegade with a chain case and put that complete engine and all into my expedition with a gear box is the speed sensor or reluctor wheel different in the programming in the ECM for say the chain box or gear box? Is there something i can change in the gear box to make it right?



#2 AvalancheAK


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Posted 16 June 2017 - 08:52 PM

Nothing you can change in the gearbox.  The speed sensor picks up its input off the magnetic cap in the end of the driveshaft inside the gearbox. There is nothing you can do there to adjust for gearing.  I've heard varied reports on whether a dealer can adjust for different gearing in the ECU.  I'm inclined to think an educated technician that knows their way around the BUDS system would be able to make an adjustment..

2017 Expedition 900 X, 2015 Expedition 1200 X, 2013 XU SWT ACE, 2011 V800 SWT, 2011 Expedition Sport 600ACE, 2008 Expedition TUV V800, 2006 Arctic Cat M7 163", 1997 AC Panther 440f/c, several Tundra LTs, 1995 Indy Lite (x2), 1968-9-70 Suzuki Nomads (x 3.5), & assorted.


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