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Supercharger Performance in Central or Northern New York

Y

Y2GREY

Veteran
Joined
Jun 6, 2004
Messages
37
Location
CNY
Country
USA
Snowmobile
79SRX440, 03RX1 stretched and aired out, 06ATTACK, 09APEXLTX stretched and boosted, 18XTX SIDEWINDER
Looking for recommendations on a shop to go over an MPI supercharged Apex. The sled runs but could use some updates. It has the GEMS installed. (difficult to work with and seems to need constant adjustment) It has no BOV just a Block-Off plate with different sized plugs. AF gauge is reading errors probably due to a failed O2 sensor. The sled screams on top but surges while holding the throttle steady at low to midrange on trails.
Any recommendation appreciated. We are just outside of Syracuse NY.
 

I would ditch the gems and get a pc5 with autotune. Then take it to Dynotech Research in Batavia for some performance tuning. Jim will get that thing dialed in.
 
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