700R4

[Thomas Matthews]

This same sleeve is available through GM and is originally used on
the B4C police pkg. GM pt # is 8673948. Suggest upgrading the 3-4
clutch pack also as it's weak and may burn after some WOT upshifts.
The sleeve's price is about $15 or so.
Tom

Brian Hartman wrote:
> 
> You need to call Fairbanks and get a UPSHIFT SLEEVE that will allow WOT
> upshifts 3-4.  You may need to tinker with the governor too and lighten
> the springs a hair.
> 
> If you have more Tranny Questions, That's my realm.
> 
> Brian Hartman
> 
> Sy 1810
> Sy 1972 <only 371 miles>
> 73 Cuda 440-6
> 
> peter paul fenske wrote:
> 
> > Hi Bruce
> >
> > Bruce do you know what mods are involved in reprogramming
> > the 700R4 in order for a WOT 3 to 4 shift to occur
> > Durn S10 won't shift into 4th at 120 MPH.
> >
> > Tnx:peter