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Best oil for A-833
https://www.slantsix.org/forum/viewtopic.php?t=10474
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Author:  65dart [ Thu Sep 23, 2004 7:23 am ]
Post subject:  Best oil for A-833

I recently installed a 833 in my 65 dart, which was an experience. The shop I bought the tranny from told me that virtually any oil will work well and through his experience thought that 20w50 engine oil was a good place to start. I know the factory specifed as high as 130 gear oil. Any thoughts. thanks

Author:  DusterIdiot [ Thu Sep 23, 2004 10:17 am ]
Post subject:  How cold does it get where you live?

The manual specifies ATF... you can use this for quicker shifts, if your gaskets leak you'll bleed the box out in a hurry going down the road.

I use 90Wt "GL-4" in my A-833OD (DO NOT USE GL-5!!!! it's for sure grip rear ends and causes the synchros to skip...).

Some have actually specified in colder areas you can use non-detergented 30Wt.


Your choice, each works perfectly fine.

-D.Idiot

Author:  andyf [ Thu Sep 23, 2004 3:20 pm ]
Post subject: 

not sure what you mean by "best". Absolute best would probably be a synthetic such as RedLine MTL. That is what I use in my Doug Nash 5 speed box. If you didn't really mean "best" then Rob's recommendations above are good.

when in doubt, read the service manual.

Author:  65dart [ Thu Sep 23, 2004 8:31 pm ]
Post subject: 

Right now I'm around el paso texas, quite a temperature range, hot during the day but winter/night it does freeze. I do spend a little time in Washignton to though.

Author:  225dart [ Tue Oct 05, 2004 5:16 pm ]
Post subject: 

i have successfully run 1 qt of atf and top the rest off with 80w90 (usually about 2 qts) it seems to work very well for me. i tried 80w90 for the full fill and it was good awful to shift. i think straight atf would cause other problems, but i am unsure as i never tried it (even though thats what the factory says to use)

Author:  65dart [ Wed Oct 06, 2004 9:39 pm ]
Post subject:  thanks

thanks for the input all, I will work on changing that in the upcoming future. And just for the record, depending on the year, the manual specifies 130 wt. Other years though it does specify a lower weight oil.

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