TRNW-2: 8L90, shift kit

[Steve Everett]

 i have only used the Sonnax kits on these,  the first 2 or 3 I built I had
zero issues with,  the last two I built I had issues with the clutch
control valves causing codes, I never really figured out the cause,  as
when I checked them after pulling the valvebody they were never dragging or
sticking,  the two trouble vehicles finally went away,   but the next one I
build I'm going to use the transgo stuff and see what results I get,
surprisingly the transgo stuff is more expensive, at least initially,  and
its usually the other way around ?

   Steve

On Fri, May 16, 2025 at 10:51 AM tucker tuckertrans.com via trnw2 <
trnw2 at trnw.net> wrote:

> We like the Sonnax acc, BUT if the bore is worn badly we go with the
> Transgo.  AFL are bad to wear and we use transgo.  Sometimes we just put a
> valvebody on it, if we have it in stock.  They sure make a bunch of
> different valvebodies and the $1,000 core is crazy on stocking 10 different
> ones.
>
> Dan Tucker
>
>
> ------------------------------
> *From:* trnw2-bounces at trnw.net <trnw2-bounces at trnw.net> on behalf of Dan
> Hogan via trnw2 <trnw2 at trnw.net>
> *Sent:* Wednesday, May 14, 2025 4:56 PM
> *To:* Technical Discussion Forum <trnw2 at trnw.net>
> *Subject:* Re: TRNW-2: 8L90, shift kit
>
> Sidney,
>
> Been using the Transgo kit here with good success.  Solenoid accumulator
> bores seem to be the sore spot here.  They sell tooling separately.
>
> https://transgo.com/products/8l45-8l90/
>
> ---
>
>
> 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
> Sidney Bernard via trnw2 <trnw2 at trnw.net>
> *Sent:* Wednesday, May 14, 2025 10:12 AM
> *To:* trnw2 at trnw.net <trnw2 at trnw.net>
> *Subject:* TRNW-2: 8L90, shift kit
>
> *Date:* Wed May 14 7:12:24 PDT 2025
> *Subject:* 8L90, shift kit
>
> what 8l90 kit is everyone using ? i see there is transgo and translab .
>
> Sidney Bernard
> Minute Muffler
> Armena, Alberta Canada
> TRNW Member Since: 4/11/2008
>
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