stall tune?
In the city and stay out of WOT, maybe 2-3 MPG loss if not more.. On the highway none as the verter will lock up over ~44mph and get nomal driving.
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BTW, love your car presto_z.
BTW, love your car presto_z.
...but waterbug is right it is hit or miss, my dad had a 3000 yank that hit the limiter on shifts after intall and when i put my 3600 in i had no problems at all but still had it tuned for $75 to get the most out of the shift points and raising the limiter a little... 







