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Odd A-833 Transmission?
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Author:  Old Car Scott [ Mon Mar 28, 2011 9:24 am ]
Post subject:  Odd A-833 Transmission?

I just finished up the mechanical work on my Valiant and was able to get out and stretch its legs a bit this weekend, but I made a bit of an interesting discovery.

I converted over to a four speed, the tranny I swapped in is a short tail A-833 with the big 5.125 input bearing retainer and a 1975 date code. I love the OD tranny and this is probably my sixth four speed conversion.

However, this particular transmission is not an Overdrive! It has the standard gear ratios and the 3/4 gears are not flopped, much to my surprise when I though I was going to pull it into OD on the freeway!

Anyone else have a standard ratio tranny with the large IBR?

I always assumed the large IBR indicated an OD tranny.

Author:  DusterIdiot [ Mon Mar 28, 2011 5:23 pm ]
Post subject:  Lol...

Quote:
Anyone else have a standard ratio tranny with the large IBR?
You can swap the guts from the regular to the OD casing if needed (with proper bearings/etc...). Unless you totally grenaded the case I'm not sure why you'd do it.

-D.idiot

Author:  Old Car Scott [ Tue Mar 29, 2011 4:45 pm ]
Post subject: 

Well, that's just freakin' super. :roll:

At least I can drive it. Guess I'm still looking for an actual A-body overdrive four speed.... :?

Author:  DusterIdiot [ Tue Mar 29, 2011 6:25 pm ]
Post subject:  One other way...

Quote:
Anyone else have a standard ratio tranny with the large IBR?
I forgot there is one other way to make that work...in 1975...the 3 speeds still had the bolt pattern for the small IBR...mopar made a special IBR for them that will fit a OD bellhousing but has the same bolt pattern as the older straight A-833s and 3 speeds...

If you didn't mind a straight across trade on your current box, and if it's in good shape, I do have a 1978 A-833OD that was rebuilt 8 years back (works great, just pulled it in lieu of a iron cased OD for drag racing).

-D.Idiot

Author:  ditzola [ Thu Apr 07, 2011 7:11 am ]
Post subject: 

hey, i have here my standard ratio used transmissions for sale at an arizona transmission shop with the large IBR,im looking for a buyer, pm me if you want

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