TRNW-2: 4R70W question.

Fri Nov 7 10:30:19 PST 2025

I have also seen cases where the input is plugged from the factory. I think
it will work but I’ll add that 1 speed sensor crown Vic units are cheap and
plentiful in junkyards & core dealers. 2 speed sensor cores are worth 2x as
much.

On Fri, Nov 7, 2025 at 1:22 PM Dan Hogan via trnw2 <trnw2 at trnw.net> wrote:

> If you use the matching rear ring gear and sensor, I agree this should
> work fine.  Like Pat, I've also seen transition cases with both holes and a
> dummy plug present in the turbine shaft side for the years prior to
> officially using the input speed sensor.
>
>
>
> ---
>
>
> Dan Hogan
>
> Buster's Transmission Service
>
> https://busterstransmission.com
>
> 704.847.5321
> ------------------------------
> *From:* trnw2-bounces at trnw.net <trnw2-bounces at trnw.net> on behalf of pat
> schulte via trnw2 <trnw2 at trnw.net>
> *Sent:* Friday, November 7, 2025 11:25 AM
>
> *To:* Ryan D <ryan4r100 at gmail.com>; Technical Discussion Forum <
> trnw2 at trnw.net>
> *Subject:* Re: TRNW-2: 4R70W question.
>
> I can't tell you for sure as I have never tried, but I have seen some
> units come in where the hole where the input sensor would go have a plug
> from the factory. I "think" the output sensor hole is in the same place,
> instead of reading the holes in the carrier it reads the park lugs, but the
> lugs were made longer to be in the correct position.
>
> On Fri, Nov 7, 2025 at 8:15 AM Ryan D via trnw2 <trnw2 at trnw.net> wrote:
>
> Fred
>
> The input speed sensor won't be used. I'm thinking that one won't matter.
> The output sensor could be a problem.  the shop is bringing me a core they
> have today so I can look at it. Thank you guys for your thoughts on this.
>
>
>
> On Friday, November 7, 2025, Fred Whitaker via trnw2 <trnw2 at trnw.net>
> wrote:
>
>   Guys, The sensor reads in a different spot in the case. Thats why you
> have to pull a late one back out if you clock the center support snap ring
> wrong. The out put sensors are different part #s as well!
> ------------------------------
> *From:* trnw2-bounces at trnw.net <trnw2-bounces at trnw.net> on behalf of
> jbockus--- via trnw2 <trnw2 at trnw.net>
> *Sent:* Friday, November 7, 2025 6:56 AM
> *To:* Ryan D <ryan4r100 at gmail.com>; Technical Discussion Forum <
> trnw2 at trnw.net>
> *Subject:* Re: TRNW-2: 4R70W question.
>
> I would say yes as long as you use the planetary and rear speed sensor
> from your original 1-sensor case. I'm sure the sensors are the same
> diameter and depth. And just plug the front sensor hole with a speed
> sensor. That will throw someone off down the line, lol
>
> On 2025-11-06 10:49 pm, Ryan D via trnw2 wrote:
> > Can I use a 2 speed sensor case in place of a one speed sensor case on
> > a 4R70W? Both have 3 bolt starters.
> >
> > --
> > Ryan
> > This message was sent from the TRNW Technical Discussion Forum (trnw2).
> > You were sent this message because you have subscribed to our mailing
> > list. If you don't want to receive these emails from TRNW in the
> > future, please unsubscribe here:
> > https://www.trnw.net/unsubscribe.php?forum=2
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.trnw.net_unsubscribe.php-3Fforum-3D2&d=DwMFaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=smOzNWPZu5-MBJg-0tkHhHoVW9xEBKdKWsMxBeFAJDZVJI6X79ZhQVJ_erT6I9aF&m=c6jxIA9MhUXf9jP-xBx3OLWWef9H-4aI6WgCQfVV0z-PPIJrukyj8CyB2DmKw4OT&s=QhEGuMOGK_0lVxpfI1L36V2KarM7oIQmFmB_hLvfllY&e=>
> > TRNW Inc., 2825 Walnut Terrace, Modesto, CA 95355
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.google.com_maps_search_2825-2BWalnut-2BTerrace-2C-2BModesto-2C-2BCA-2B95355-3Fentry-3Dgmail-26source-3Dg&d=DwMFaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=smOzNWPZu5-MBJg-0tkHhHoVW9xEBKdKWsMxBeFAJDZVJI6X79ZhQVJ_erT6I9aF&m=c6jxIA9MhUXf9jP-xBx3OLWWef9H-4aI6WgCQfVV0z-PPIJrukyj8CyB2DmKw4OT&s=sJ7Ey9SGkUjKtI5zQBgfwfoJ9FytT-W1kE9Pqm1ZSMY&e=>
> This message was sent from the TRNW Technical Discussion Forum (trnw2).
> You were sent this message because you have subscribed to our mailing list.
> If you don't want to receive these emails from TRNW in the future, please
> unsubscribe here:
> https://www.trnw.net/unsubscribe.php?forum=2
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.trnw.net_unsubscribe.php-3Fforum-3D2&d=DwMFaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=smOzNWPZu5-MBJg-0tkHhHoVW9xEBKdKWsMxBeFAJDZVJI6X79ZhQVJ_erT6I9aF&m=c6jxIA9MhUXf9jP-xBx3OLWWef9H-4aI6WgCQfVV0z-PPIJrukyj8CyB2DmKw4OT&s=QhEGuMOGK_0lVxpfI1L36V2KarM7oIQmFmB_hLvfllY&e=>
> TRNW Inc., 2825 Walnut Terrace, Modesto, CA 95355
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.google.com_maps_search_2825-2BWalnut-2BTerrace-2C-2BModesto-2C-2BCA-2B95355-3Fentry-3Dgmail-26source-3Dg&d=DwMFaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=smOzNWPZu5-MBJg-0tkHhHoVW9xEBKdKWsMxBeFAJDZVJI6X79ZhQVJ_erT6I9aF&m=c6jxIA9MhUXf9jP-xBx3OLWWef9H-4aI6WgCQfVV0z-PPIJrukyj8CyB2DmKw4OT&s=sJ7Ey9SGkUjKtI5zQBgfwfoJ9FytT-W1kE9Pqm1ZSMY&e=>
>
>
>
> --
> Ryan
> This message was sent from the TRNW Technical Discussion Forum (trnw2).
> You were sent this message because you have subscribed to our mailing list.
> If you don't want to receive these emails from TRNW in the future, please
> unsubscribe here:
> https://www.trnw.net/unsubscribe.php?forum=2
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.trnw.net_unsubscribe.php-3Fforum-3D2&d=DwMFaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=smOzNWPZu5-MBJg-0tkHhHoVW9xEBKdKWsMxBeFAJDZVJI6X79ZhQVJ_erT6I9aF&m=c6jxIA9MhUXf9jP-xBx3OLWWef9H-4aI6WgCQfVV0z-PPIJrukyj8CyB2DmKw4OT&s=QhEGuMOGK_0lVxpfI1L36V2KarM7oIQmFmB_hLvfllY&e=>
> TRNW Inc., 2825 Walnut Terrace, Modesto, CA 95355
> <https://www.google.com/maps/search/2825+Walnut+Terrace,+Modesto,+CA+95355?entry=gmail&source=g>
>
>
>
> --
> Pat Schulte
> AAMCO Transmissions
> Temecula, Ca.
> This message was sent from the TRNW Technical Discussion Forum (trnw2).
> You were sent this message because you have subscribed to our mailing list.
> If you don't want to receive these emails from TRNW in the future, please
> unsubscribe here:
> https://www.trnw.net/unsubscribe.php?forum=2
> TRNW Inc., 2825 Walnut Terrace, Modesto, CA 95355
> <https://www.google.com/maps/search/2825+Walnut+Terrace,+Modesto,+CA+95355?entry=gmail&source=g>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.trnw.net/pipermail/trnw2/attachments/20251107/13d8c23b/attachment.html>