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Re: 833 tranny fluid
[Re: mopar346]
#1576848
02/12/14 12:21 AM
02/12/14 12:21 AM
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Joined: Nov 2007
Posts: 21,814
Kirkland, Washington
Pacnorthcuda
Too Many Posts
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Too Many Posts
Joined: Nov 2007
Posts: 21,814
Kirkland, Washington
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Quote:
In this thread I have read the downside or possible downside to ATF and Synthetics, so why chance it? No one has mentioned a downside to 80w90 except maybe the cold weather. I have always used gear oil but I cant say I have had any with original fluid and of course most if not all have been from down here.
Ok...you're asking for the downside, I will provide it. 80w90 is fine.....IF its a GL-4, not GL-5 lube, and 95% of the 80w90's available ARE GL-5's.
GL-5 has extreme pressure additives in it, highly desireable in a rear end (ring and pinion). The problem is these additives are not long term compatible with the brass synchros in our 833's.
That's the downside, but many people do use it.
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Re: 833 tranny fluid
[Re: Pacnorthcuda]
#1576849
02/12/14 12:53 AM
02/12/14 12:53 AM
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Joined: Jul 2007
Posts: 11,836
Florida
mopar346
Let me tell ya about fat chicks!
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Let me tell ya about fat chicks!
Joined: Jul 2007
Posts: 11,836
Florida
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Since I haven't looked at the GL-4/5 factor is Gl-4 readily available? How about farm use? I've run gear oil in manuals with brass for years with no known issues, of course I am not running them 20k a year either and cant say I have more than 40k on any of them in many years of use.
Careful, your character's showing!
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Re: 833 tranny fluid
[Re: mopar346]
#1576850
02/12/14 01:04 AM
02/12/14 01:04 AM
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Joined: Dec 2007
Posts: 18,157
Mass
DAYCLONA
I Live Here
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I Live Here
Joined: Dec 2007
Posts: 18,157
Mass
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Quote:
is Gl-4 readily available?
Brad Penn
Penn Grade
Pennsoil Gear Plus
Amsoil
Valvoline
All offer 80w-90 in GL-4 grade
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Re: 833 tranny fluid
[Re: DAYCLONA]
#1576851
02/12/14 02:03 AM
02/12/14 02:03 AM
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Joined: Aug 2003
Posts: 43,097
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,097
Bend,OR USA
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The downside to the early first generation NP833 with the OEM synchors was hard shifting, cold weather or not. ATF help alleviate the hard shifting problems  The third generation synchors, 1971 and later versions, help a bunch also  I have replaced the early syncho asemblys with the later version along with the steel shifting forks for several customers You can to There are three differrent versions of the NP stock synchro assemblys I've seen, 1964 to 1966, 1967 to 1970 and 1971 and later Two different side covers and two different versions of shifting forks also in those 
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: 833 tranny fluid
[Re: DAYCLONA]
#1576853
02/12/14 12:09 PM
02/12/14 12:09 PM
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Joined: Sep 2004
Posts: 22,873
Chicken coop
dustergirl340
Chicken Little
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Chicken Little
Joined: Sep 2004
Posts: 22,873
Chicken coop
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Quote:
80w-90...end of story IMHO
X2. I drive my Dart until they salt the roads and it's been driven in some pretty cold weather...no problems at all.
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Re: 833 tranny fluid
[Re: RSNOMO]
#1576856
02/12/14 09:15 PM
02/12/14 09:15 PM
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Joined: Sep 2007
Posts: 14,889
up yours
Supercuda
About to go away
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About to go away
Joined: Sep 2007
Posts: 14,889
up yours
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Clunky shifting?
Not in my experience, but then again my nick name is not spaghetti arms.
Wait, even my daughter who's nickname is spaghetti arms had no problem shifting an A833, with gear oil in it.
Must be you.
They say there are no such thing as a stupid question.
They say there is always the exception that proves the rule.
Don't be the exception.
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Re: 833 tranny fluid
[Re: GTX MATT]
#1576860
02/12/14 10:36 PM
02/12/14 10:36 PM
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Joined: Jan 2003
Posts: 1,482
Lake Orion, MI
goldduster318
pro stock
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pro stock
Joined: Jan 2003
Posts: 1,482
Lake Orion, MI
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They have gallon jugs of Sta-Lube 85w-90 GL4 at napa for a really reasonable price. that's what I use and it works great.
'70 Duster 470hp 340/T56 Magnum/8 3/4 3.23 Sure-Grip
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Re: 833 tranny fluid
[Re: John_Kunkel]
#1576861
02/13/14 01:12 AM
02/13/14 01:12 AM
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Joined: Sep 2007
Posts: 14,889
up yours
Supercuda
About to go away
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About to go away
Joined: Sep 2007
Posts: 14,889
up yours
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Quote:
Ever driven a T-10? Muncie?
Yes, and a toploader and a T5 and a A435 and numerous other manual transmissions, foreign and domestic, even ones you have to double clutch.
Question is, have you ever driven a fresh A833 with a new shifter? When I converted my 87 Diplomat over to stick I rebuilt the trans, rebuilt the clutch linkages, put a Holley pitpack on my new Holley Indy shifter, pulled the Indy apart, polished the lever, cleaned and lubed it and reassembled it. Adjusted the shift and clutch linkages and it was sweet.
They say there are no such thing as a stupid question.
They say there is always the exception that proves the rule.
Don't be the exception.
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Re: 833 tranny fluid
[Re: Supercuda]
#1576862
02/13/14 04:17 PM
02/13/14 04:17 PM
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Joined: Jan 2003
Posts: 25,726
Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,726
Rio Linda, CA
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Ever wonder why Chrysler developed the "slick shift" modification for the 833?
The INTERNET, the MISinformation superhighway
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Re: 833 tranny fluid
[Re: John_Kunkel]
#1576865
02/13/14 04:55 PM
02/13/14 04:55 PM
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Joined: May 2005
Posts: 6,446
NJ-USA
HPMike
master
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master
Joined: May 2005
Posts: 6,446
NJ-USA
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Quote:
Ever driven a T-10? Muncie?
Agreed....
Even an absolutely PERFECT 833 with all new parts isnt going to be "sweet shifting"..Not in the same way a Muncie or T10 is..Those trannies are as fragile as fine China, though...
The 833 is essentially a truck unit used in car applications...Its VERY strong, but its very heavy, and not meant to be powershifted. And yes, Chrysler knew this very early on, hence the "slick shift" crash boxes..
Use standard 90wt gear oil in most applications...Ive used Sychromesh in race units-but those arent meant for the long haul....I also do NOT recommend synthetic 90 wt...
MB
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