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A-833, all the same?

Posted By: MN-ScatPack

A-833, all the same? - 04/10/11 04:45 AM

Are there differences in an A-833 from A, B E-bodies?
Posted By: 440newport

Re: A-833, all the same? - 04/10/11 04:54 AM

Yes. I'm not an 833 expert, but the shifter mount pads are all different between A/B/E bodies. 64-69 B/C body trannys are their own deal. While 70-up B and E bodies share the same transmission with the 2 seperate mount pads cast into the same tailshaft.

I believe the transmission mount point also changed in 1970. Prior to then the B body 4 speed transmission had it's own trans mount cross member but the 70 up units are the same as a 727. A body transmissions have a shifter mount in between the B and E bodies, with it's own shorter tail shaft.
Posted By: MN-ScatPack

Re: A-833, all the same? - 04/10/11 05:00 AM

So which one(s) will fit in a E-Body and how do you know which is which?
Posted By: 440newport

Re: A-833, all the same? - 04/10/11 05:04 AM

Quote:

So which one(s) will fit in a E-Body and how do you know which is which?




E bodies need a shifter mount on the very rear of the tailshaft. These also have the B body mount on them as well, but the holes for either one may not be tapped depending on which car it originally came on.

Attached picture 6577577-jpg.jpg
Posted By: 68KillerBee

Re: A-833, all the same? - 04/10/11 05:07 AM

http://www.slantsix.org/articles/4-speeds/ODA833fourspeed1.htm
Posted By: MN-ScatPack

Re: A-833, all the same? - 04/10/11 05:27 AM

Thanks guys for the info. If I read correctly, it sounds like the newer OD units should work in an E-Body correct? Would you rather have the OD unit over the non OD unit?
Posted By: Kern Dog

Re: A-833, all the same? - 04/10/11 05:31 AM

The OD 833 will fit and work, but there are NO bolt in Big Block bellhousings to fit. There are ways around that though...........
Posted By: MN-ScatPack

Re: A-833, all the same? - 04/10/11 05:34 AM

Quote:

The OD 833 will fit and work, but there are NO bolt in Big Block bellhousings to fit. There are ways around that though...........




So no problems with a small block? OD vs. non OD?
Posted By: Kern Dog

Re: A-833, all the same? - 04/10/11 06:08 AM

A few years back I pulled and bought 4 833 OD transmissions from Pick n Pull. They came in trucks and vans, slant six and 318s. NO 360s came with this trans. I'm not sure why though.
I have an F body iron case 833 OD in my brother in laws 360 Duster. The trans came from a slant six Volare. We used a 318 bellhousing and a balanced 360 flywheel. All is well!
You could do the same using a truck/van trans since the tailshaft housing is the same overall design as the E body and 71 and later B body design. The clutch fork will need to stay with the truck 318 bell. In some cases, the fork for the trucks are a different length than the cars. I cant remember which was shorter. The reason that I mention it it because it will affect the stiffness of the pedal. A shorter fork requires MORE pedal effort due to it having less leverage. I had to mix and match a few things, but it all works. Good luck and keep us posted!
Posted By: MN-ScatPack

Re: A-833, all the same? - 04/10/11 06:17 AM

Thanks, I will.
Posted By: therocks

Re: A-833, all the same? - 04/10/11 12:48 PM

64 & 65 trans are easy to spot as they have one mounting pad and have the bolt on ball and trunion end.Rocky
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