I'm guessing that you may have a T-50. I was just reading an old newsletter
artice about them last night. If I recall they were optional on some Chevy
Monzas and the one to have is from a V8 Monza. The ones from the V6 Monzas
aren't geared correctly for use with a V8. If you like I could probably fax
you the article.
Kevin Brown
David Kernberger wrote:
> 7/21/99
>
> To the group,
>
> In a recent acquisition of "stuff," there appeared a "mystery"
> transmission, which my source told me was a Chevy Vega 5-speed. An
> aquaintance, who is familiar with Vegas, tells me there never was a 5-speed
> in any Vega. Neither does he recognize the box whan he looks at it. At
> this stage I do not even know whether it is a 3-, 4-, 5-, or 6-speed. I
> have the V8 newsletter, Issue VII, Vol. 1, which gives Warner T-5 ID
> information, and this unit does not seem to match anything listed there
> very closely at all. So I suspect it is not a T-5. I will describe it as
> well as I can and hope someone can give me a clue. Anything at all would
> be appreciated. Wish I had a way to put in a picture.
>
> It is an all-aluminum case, in 3 parts. The main Box is
> extensively ribbed and measures 9' from mounting flange to rear of box.
> Behind that is another housing measuring only 1 7/8" front-to-back. The
> tailhousing is last and measures 13 1/4" long. This makes the overall
> length 23 3/4" from mounting flange to rear seal. It has the familiar
> Chevrolet mounting bolt pattern and was bolted up to an F-85 bell housing
> when I got it. On the front end the familiar-looking front bearing
> retainer (usually removable) is a radially-ribbed integral part of the main
> box casting with the "snout" for the clutch throwout bearing apparently
> cast in or pressed in. The centerline of the shift-lever pivot is about 20
> 3/8" behind the front mounting flange.
>
> The input shaft is 1 1/8" diameter with 10-splines. The output
> shaft is about 1.156" diameter with either 26 or 27 fine splines-difficult
> to count. The tail housing seems to have 2 possible mountings. Obviously
> 1 is a transverse flat pad with threaded holes at each end-they are about 3
> 3/4" on centers. The other mounting, if it is one, is a series of three
> transverse holes in the tail-housing casting directly below the extreme
> rear end.
>
> The identification information I have found is the following: 1)
> "Borg Warner" and the number 13-38-066-901 cast into the tail housing
> directly below the shift lever on the right (passenger) side; 2) "BASIC 1"
> cast into all 3 housings on the left (driver) side; and 3) Casting marks
> (sun dots?) on all 3 castings marked "10" and "75" on opposite sides of the
> circle and various patterns of raised dots in between-also a raised "blip"
> in the center.
>
> So-------what do I have here?
>
> Regards,
> David Kernberger
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