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Those with xp cams...

G

GTP4

New member
I was wondering what MPH you guys have your shifts set up at.
I'm runing on a zz p bin file i bought.
But have a pt i can use.
Need to check with zz p.
Maybe they have already set this on their pcm.
But looks like its shifting kind of early.
Still like input,thanx.
1st??
2nd??
3rd??
4??
 
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I do not use MPH for WOT shifting. Are you refering to PT shifting?
 
There is an excel sheet on the forums to help you out. When you are at WOT, both values for the MPH and the RPM have to be met. Example, I shift from 2-3 around 88mph and at 6200 rpms. If I decide to shift at 6300, I just need to change the rpm and not the mph. As long as the MPH is close, then it will be fine. The MPH will be achieved then it is waiting for the RPM to be acheived before the shift will take place. I like to keep it close just incase for some odd reason I lift the gas pedal a bit the shifts should be basically the same. Still to this day I am waiting for that to happen. In any case where the excel sheet gives you a MPH, round it down.

Edit: I should mention that my gearing is 3.29 and with the stock gearing you should be shifting at a higher MPH than I am
 
Is there any modifications to your AFR Spark table? If not, Command a greater AFR, like 11.4 or so and retune using the narrow band like you are. The richer the AFR the more spark the car is commanding. Looks like your car is trying to give a spark in the range of 18 or so
 


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