I beleave your refering to the shift presure feature for automatic cars. The SCT tuner can harden or soften shifts on an automatic stang and is one of the largest performance benifits for a tuner on an auto stang.
I guess it worked.. Your probly still out beating your stang enjoying the hard shifts, tires cherping and lurching you forward everytime you shift at full throttle and wishing you had 20 gears to go through.. lol
Yes it will add some stress but the trans can take it. The added pressure is not enough to even blink at when you compair it to adding 25 hp. So in short the abuse is to a minimal.
Dont worry your trans will not randomly up and die on you because of it.
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