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06 speedy
dual leo vince gp high mounts
sai intact

I went from running an official triumph tune to a custom tune .


"1050 Speed Triple Aftermarket pipe Up To VIN 281465 With CAT and SAI After Dyno run 20, add ignition advance up top. Extra 3 degrees "

this tune is based on another tune but tweaked for sai systems.

immediately, my backfires have stopped! :eek:, but I miss them sometimes :(

I noticed that my mileage has decreased as well. On my trips to PA and NY I was getting about 130 miles till the light come on. Now, I am getting about 180km (~110 miles) till the light comes on.

I am wondering if the ignition advance has anything to do with it.
 

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Not if the fueling hasn't changed. If you are putting the same fuel in it is just burning differently. Are you maybe wringing it out more and staying at a higher RPM (read: having more fun)? That would certainly do it. Compare the maps in TuneECU and see what other changes there may be.
 
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