what gearing should i use 2012 apex supercharged

powershot1

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Just installed mpi stage 1 supercharger @8 psi
Ulmer clutch kit from on 2008 apex
I just installed it on a 2012 apex xtx stock track 144" with studs
 
I'm running 25 37 with 14 lbs of boost.

Try it stock but you may need to go up a tooth up top.
 
thanks everybody for your input.should be in trout lake area next weekend.UP Michigan
First ride this year should be a good one.
Supercharged star suspension upgrade new spring . shock also revalved by star.
 
Stock is Perfect at Your Power level.
I run 25/38 (up from 24/38 stock) in my turbo sled at 350 HP.
 


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