Drivetrain Clutch, Torque Converter, Transmission, Driveline, Axles, Rear Ends

3.42-3.73 WOT problem (tunercat also)

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Old Feb 1, 2008 | 12:35 AM
  #1  
jay_rich's Avatar
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From: Windsor, ON Canada
3.42-3.73 WOT problem (tunercat also)

Okay I have been having a WOT 2-3 i beleive (will check again this weekend).(its around 80ish MPH)

I changed my rear to a Moser 12 bolt with 3.73.

The car shifts fine no sputter no nothing during normal driving. only the WOT 3-4 is messed. I get to like 5600 RPM then the moto revs if i let go and apply gas it will shift.

I am just wondering if there is more to change in my pcm WITH tunercat other than just the table that is for the speedo??

I havnt changed any MPH shift points from the 3.42. just the section for the speedo as stated.

Just tryin to narrow down my options b4 i look into tearing stuff apart.


Thanks

Jay

Last edited by jay_rich; Feb 1, 2008 at 02:29 AM.
Old Feb 1, 2008 | 01:11 PM
  #2  
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From: Windsor, ON Canada
<<UPDATE>>

Im looking at my tunercat files.

Should I scale all of these points from the difference of 3.42-3.73s??
And is there any other ones to scale??

Now the shift points are set for 6000RPM

BUT

The MPH is this

performance mode
100% TPS 1-2=43mph, 2-3=83MPH, 3-4=237MPH
manual mode
100% TPS 1-2=39MPH, 2-3=75MPH, 3-4=129MPH


NORMAL MODE?????
100%TPS 1-2=1MPH, 2-3=99MPH, 3-4=162MPH

KICKDOWN MODE

1-2=35MPH
2-3=69MPH
3-4=116MPH
2-1=34MPH
3-2=68MPH
4-3=113MPH

Thanks Jay
Old Feb 1, 2008 | 02:03 PM
  #3  
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Joined: Nov 2003
Posts: 1,756
From: West Linn, OR
yeah the posted tables need to be scaled, do you know how to do that? also there are RPM tables if you wanted to change the shift point by RPM as well, you can use the calculator in my sig to help you verify the right MPH after scaling the tables...
Old Feb 1, 2008 | 07:15 PM
  #4  
jay_rich's Avatar
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Posts: 811
From: Windsor, ON Canada
thanks yes I went through all of my MPH shift points highlighted and scaled by 0.916.

So hopefully soon i get a none snow/dry day to take it for a boot!

Thanks again

Jay
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