Re: Re: Re: FW: [dakotart] Question about Shift Points? / TQ Management

From: bernd@texas.net
Date: Wed Nov 20 2002 - 10:36:56 EST


I'd have to go through my old notes...but there was something for installing a
switch inline. I think Tim has a copy of the old emails for that.

- Bernd

>
> Maybe its removed in the MP PCMs? I don't have that problem in either my 99
> or 2K (both have MP PCM). I do know that the R/T guys 01 and up really
> complain about it. My 2K had the factory PCM for about 3 days, so I never
> really noticed it.
>
> Bernd, is there an easy way to disable this, or is a PCM or flash
> necessary?
>
> TonyC
>
> -----Original Message-----
> From: Tim Berry <coolva1@cox.net>
> To: dakota-truck@dakota-truck.net <dakota-truck@dakota-truck.net>
> Date: Wednesday, November 20, 2002 9:37 AM
> Subject: DML: Re: FW: [dakotart] Question about Shift Points? / TQ
> Management
>
>
> >
> >incorrect for year trucks... :-P
> >
> >my 97 318 has torque management... (well... PCM for 318) as well as a
> >friends truck in TN w/ a 98 RT..
> >
> >the way I have assumed it to work (since I've been fighting it for a year
> or
> >more now) is when you put a higher stall converter in it, you will notice
> >that you will have a "bog" off the line, specially w/ slicks... I think
> >what the PCM does is look at the RPM's vs. the output shaft speed sensor in
> >the tranny.... if the RPM's go over a certain value, w/o the driveshaft
> >spinning, it sees the tranny slipping, therefore drops timing advance to 0
> >(watched this on laptop, as well as dealer scan tool)
> >one lil hack way to fix this on 97's and previous years (due to 98+ has no
> >output shaft speed sensor from what I've been told) is remove OSS
> >connection, and drive it down the road... you will notice that you wont
> >shift outta 1st gear till ~15MPH or so, and you will get a check engine
> >light... as soon as you get into 2nd gear, you removed (actually,
> bypassed)
> >torque management for that driving cycle... w/o cutting the truck off,
> stab
> >it from the line... I'll bet you'll spin like you never imagined :-)
> >
> >There is one drawback to defeating it this way for the track... and that is
> >that generally you let your truck cool down in the staging lanes... and as
> I
> >said before... when you cut the truck off... you'll have to get it to shift
> >into 2nd gear for it to be defeated again.... most tracks you cant get up
> >to 15MPH before the burnout box... as well as this.. the "bog" becomes way
> >more noticable w/ the sensor disconnected untill you reach the magical
> >speed... which I was only able to do this one time in the burnout box w/
> my
> >slicks... every other time... I looked like a dumbass barely able to spin
> >the slicks over....
> >
> >I'm thinking of puttin a switch inline w/ the sensor to have it where I can
> >be doing my burnout, have it at say, 30MPH, and flip the switch...hopefully
> >it'll instantly set the CEL and have bypassed the TQ Management...
> >
> >I'll keep everyone updated... I'm still waiting on someone to install my
> >4.10s tho :-P
> >
> >Tim Berry - Chesapeake, VA
> >97 CC, 360, Auto, 4300LBS
> >best ET to date: 13.03@103.76



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