[Gmecm] Re: Gmecm Digest, Vol 12, Issue 45

[JD]

Steve,
I've done the 4th  gear TCC in the past. The trick is to get a vacuum switch 
from an early carbureted
700r4. Such as an 83 2bl 2.8 S10. The TCC power goes through it and when you 
get past about 40%
throttle, it opens the circuit. They are getting kind of rare in the junk 
yards.
JD


----- Original Message ----- 
From: <gmecm-request at diy-efi.org>
To: <gmecm at diy-efi.org>
Sent: Tuesday, February 28, 2006 12:00 PM
Subject: Gmecm Digest, Vol 12, Issue 45


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> Today's Topics:
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>   1. RE: Geting rid of electronic transmission. (Steve Ravet)
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> ----------------------------------------------------------------------
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> Message: 1
> Date: Tue, 28 Feb 2006 10:40:27 -0600
> From: "Steve Ravet" <Steve.Ravet at arm.com>
> Subject: RE: [Gmecm] Geting rid of electronic transmission.
> To: <gmecm at diy-efi.org>
> Message-ID:
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> From: gmecm-bounces at diy-efi.org
> [mailto:gmecm-bounces at diy-efi.org] On Behalf Of JD
> Sent: Tuesday, February 28, 2006 9:22 AM
> To: gmecm at diy-efi.org
> Subject: [Gmecm] Geting rid of electronic transmission.
>
>
> The experts on this list are usually way over my head, so who
> better to ask?
> I just bought a 94 K1500 Chevy pickup with a blown 4l60E
> transmission.
> I have a high performance/towing 700R4 4x4 trans with only a
> couple miles on it.
> Question is will this screw up the computer if I don't connect
> the transmission wiring.
> I planned to change to the TV cable and correct TBI from a 92.
> The trans is setup with TCC to automatically engage in OD unless
> I manually shut it off.
> The ecm is 16196395 BJLH.
> I need to know if the 4 inputs wires on the trans affect the
> engines outputs or are they strictly for
> transmission control.
> They are:
> B4 5v ground
> F1 trans mode A
> E5   "      "      B
> E4    "     "      C
> The 700R4 Cost over $1600 to have built and I don't like the
> record of the 4L60E's anyway.
> Think it will work?
> JD
>
>
> _______________________________
>
> JD, you might be blazing new ground here.  Try it to see if it works.
> If not think about switching to a manual calibration/computer.  My
> Blazer briefly was wired so that TCC locked immediately in 4th gear
> because the transmission guy thought it was a good idea.  You'll end up
> in 4th with the TCC locked at 1000 rpm and the only way to unlock it is
> to give enough gas to force a shift to 3rd.  Didn't work well for me for
> around town driving, that's for sure.
>
> --steve
>
>
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> End of Gmecm Digest, Vol 12, Issue 45
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