833 Fluid?

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    Author Topic: 833 Fluid?  (Read 1830 times)

    Offline squid

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    833 Fluid?
    « on: August 05, 2005 - 02:53:15 PM »
    K, I have recently purchased a '72 Cuda with an 833 trans.  I have looked around, and there seems to be wide-spread disagreement as to the type a fluid that should be used.  Does anyone have some insight into this?
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    Offline squid

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    Re: 833 Fluid?
    « Reply #1 on: August 08, 2005 - 12:00:28 PM »
    Ok.  So I drained it, and it appears to have engine oil in it.  Should I replace it with the same, or use the ATF?  I have noticed a couple of sites where people have recommended using 10W30.
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    Offline DJVCuda

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    Re: 833 Fluid?
    « Reply #2 on: August 08, 2005 - 12:49:57 PM »
    My father bought his new and it has ATF in it.. If someone put gear oil in it i bet it would be hard to shift cold... There are some gear oils out there that are thin, BUT it must have the correct formula, syncro's are made to BITE, and slow the gear down to engage, if it has anti friction additives in it the syncros wont be able to do thier job!
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    Offline squid

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    Re: 833 Fluid?
    « Reply #3 on: August 08, 2005 - 01:10:47 PM »
    Maybe that's the cause of my difficulty going into 2nd gear?  Although I think there may be some linkage adjusting that needs to be done.
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    Offline MEK-Dangerfield

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    Re: 833 Fluid?
    « Reply #4 on: August 08, 2005 - 02:39:50 PM »
    Please use ATF. I can't imagine useing engine oil. That is much too thick.

      Mike
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    Mike

    1970 Challenger - SOLD
    2016 SXT+.  1 of 524 SXT+'s in Plumb-crazy for 2016.

    Offline squid

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    Re: 833 Fluid?
    « Reply #5 on: August 08, 2005 - 05:23:40 PM »
    Thanks for all the great advice! :dogpile:

    Ok, so I'm convinced I need to use ATF.  Now, is there anything I should do to get all of this motor oil (if that is what it is.. it is definitely not ATF, and it is too thin for gear lube) out before filling with ATF?  Or is draining and refilling sufficient?
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    Offline hemi71

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    Re: 833 Fluid?
    « Reply #6 on: August 08, 2005 - 06:40:58 PM »
    I'm sorry, but I'm old school and use a multiviscosity gear oil...85-140 is my current choice. I dont drive the cars much in the winter, and in the summer I've never had a problem with hard shifting. I'd say 95% of the shifting problems I've seen are mis-adjusted linkage related. Had lots of experience with these cars, never had a manual trans failure due to lubrication issues.

    Just my .02.

     :beer:
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    Offline Chryco Psycho

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    Re: 833 Fluid?
    « Reply #7 on: August 08, 2005 - 07:10:20 PM »
    Sorry I misread the ?
     
     Do Not use ATF in a 833
     the corret fluid is 80-90w gear oil
    75 - 90 synthetic is too slippery & it will not shift properly
    Mopar has as synthetic "manual Trans Fluid" designed for manual trannys that works well  if you want to use synthetic
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    Offline 71 DEPUTY

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    Re: 833 Fluid?
    « Reply #8 on: August 11, 2005 - 02:14:54 PM »
    Quote from: Chryco Psycho on August 08, 2005 - 07:10:20 PM
    Sorry I misread the ?
     
     Do Not use ATF in a 833
     the corret fluid is 80-90w gear oil
    75 - 90 synthetic is too slippery & it will not shift properly
    Mopar has as synthetic "manual Trans Fluid" designed for manual trannys that works well  if you want to use synthetic

    I agree- used Atf and the sightest leak will be very noticable- use 80-90w

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    Offline blue71cuda

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    Re: 833 Fluid?
    « Reply #9 on: August 11, 2005 - 08:23:36 PM »
     Is there anything wrong with using Lucas 75-90 synthetic ??
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    Offline pscott

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    Re: 833 Fluid?
    « Reply #10 on: August 11, 2005 - 09:39:53 PM »
    All 3 and 4 speed man. trannies came from the factory filled with Dexron auto fluid chysler p/n 3549660 and is the type recommended. If objectional gear rattle is apparent the fluid can be replaced with multi-purpuse gear lube SAE 90 or SAE 140. This is from the 73 Dodge factory manual. Drain and refill is fine. No flush required. I'm a new member with a 73 Challenger on a rotis. Love this site. Best forum I've seen yet.
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    Offline Chryco Psycho

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    Re: 833 Fluid?
    « Reply #11 on: August 11, 2005 - 11:28:55 PM »
    The Lucas 75-90 & other 75-90 synthetics May be to slippery to allow the syncros to grab properly , there are synthetics with friction moifiers specifically for manual trannys like the Mopar fluid 
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    Offline 4Cruizn

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    Re: 833 Fluid?
    « Reply #12 on: August 12, 2005 - 06:27:40 AM »
    Quote from: pscott on August 11, 2005 - 09:39:53 PM
    I'm a new member with a 73 Challenger on a rotis. Love this site. Best forum I've seen yet.



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