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Re: ATF4 in A833, good? bad? ugly? [Re: JohnRR] #1003983
06/02/11 12:46 AM
06/02/11 12:46 AM
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Toronto
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mshred Offline
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Quote:

Quote:

In my A833 (23spline) I run 80-90W gear oil that says it works well in extreme pressure and hypoid type of rear ends. It also says it works well in manual transmission and differentials.

There is usually difficulty in shifting from 2nd to 3rd gear fairly consistently...and it seems to occur more often when the car gets warmed up.

The trans is in my 70 Charger RT with 512RB engine with a new Hurst competition plus shifter kit. Could this problem be caused by the type of fluid?

Or is there another thing that could be causing the problem




If it's GL5 that is your problem.




Is there a such thing as GL4 extreme pressure lube? I am using cheap house brand oil, so im hoping that even though its extreme pressure its still maybe GL4...I hope will using the GL5 actually deteriorate the synchros?

Took me forever to fill the darn thing too

Re: ATF4 in A833, good? bad? ugly? [Re: mshred] #1003984
06/02/11 12:53 AM
06/02/11 12:53 AM
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JohnRR Offline
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GL5 will not deteriorate the syncros , you may have gear clash ... aka shifting issues ... since you love to cheap out on stuff , run it and tell us how it works .


Re: ATF4 in A833, good? bad? ugly? [Re: JohnRR] #1003985
06/02/11 01:12 AM
06/02/11 01:12 AM
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IL, Aurora
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ademon Offline
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Passon in mine, looked to be like 5w 30 oil weight. Easy shifting!

Re: ATF4 in A833, good? bad? ugly? [Re: JohnRR] #1003986
06/02/11 03:03 PM
06/02/11 03:03 PM
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KS
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Where can you find GL-4 rated gear old at? Every jug I look at in the parts stores is GL-5. I see Pennzoil synchomesh all over - how well would that work? My tranny is ready to be filled...

Re: ATF4 in A833, good? bad? ugly? [Re: MoparKansas] #1003987
06/02/11 03:16 PM
06/02/11 03:16 PM
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Ohio
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64dodge572 Offline
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If you can't find it local I have Penn 80/90 GL4. Syncromesh will work fine, but is more prone to leaking.
Dan


Brewers Performance Inc.
4-speed transmission and parts specialists
PH 937-947-4416 or 937-698-4259
FAX 937-947-4419
www.brewersperformance.com
Re: ATF4 in A833, good? bad? ugly? [Re: 64dodge572] #1003988
06/02/11 03:36 PM
06/02/11 03:36 PM
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Moved to N.E. Tennessee
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Quote:

Syncromesh will work fine, but is more prone to leaking.
Dan




Amen to that. I had a couple of tiny leaks that weren't bad enough to warrant trany r&r until I tried Syncromesh. I would think that atf would leak just as bad.


In theory, there is no difference between theory and practice. In practice, there is.
Re: ATF4 in A833, good? bad? ugly? [Re: JohnRR] #1003989
06/02/11 05:12 PM
06/02/11 05:12 PM
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Toronto
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mshred Offline
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Quote:

GL5 will not deteriorate the syncros , you may have gear clash ... aka shifting issues ... since you love to cheap out on stuff , run it and tell us how it works .






thats it, I just LOVE to cheap out on stuff

Re: ATF4 in A833, good? bad? ugly? [Re: 64dodge572] #1003990
06/02/11 05:13 PM
06/02/11 05:13 PM
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Toronto
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Quote:

If you can't find it local I have Penn 80/90 GL4. Syncromesh will work fine, but is more prone to leaking.
Dan




Just picked up some Delco synchromesh to replace to the GL5 gear oil that i put in....why is it that it is more prone to leaking? im assuming because its thinner? Everything at the parts store is GL5 for gear oil, so i got the synchromesh instead

Re: ATF4 in A833, good? bad? ugly? [Re: mshred] #1003991
06/02/11 05:25 PM
06/02/11 05:25 PM
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Ohio
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64dodge572 Offline
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Thinner when its hot. The same goes for engine or rear. Also the reason newer engines have much tighter bearing clearance.
Dan


Brewers Performance Inc.
4-speed transmission and parts specialists
PH 937-947-4416 or 937-698-4259
FAX 937-947-4419
www.brewersperformance.com
Re: ATF4 in A833, good? bad? ugly? [Re: Blakcharger440] #1003992
06/02/11 05:39 PM
06/02/11 05:39 PM
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Posts: 21,050
Niles , Ohio
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therocks Offline
oh wait.but hey.lets see.oh yeah.
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Niles , Ohio
I used to drive my 65 year round.Even in 10 below it shifted fine with gear oil.It had gear oil from the factory and was sold in Ohio as were a few others I worked on and owned.None had problems.Rocky


Chrysler Firepower
Re: ATF4 in A833, good? bad? ugly? [Re: A990] #1003993
06/02/11 06:56 PM
06/02/11 06:56 PM
Joined: Apr 2008
Posts: 1,285
Pacific NW USA
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What Frank Adkins says, be sure to get a GL-4 rated manual transmission fluid which is not the same as a GL-5 rated differential fluid.

Also, one can compare the operational viscosities of the various commonly available lubes.

Notice how the ATF and Synchormesh are close in terms of thickness...

PENNZOIL MULTI-VEHICLE ATF: Viscosity 33.82 @ 104(F)

PENNZOIL SYNCHROMESH FLUID: Viscosity 41.60 @ 104(F)

Now notice how the 75W-90 GL-4 is over twice the thickness...

PENNZOIL SYNTHETIC SAE 75W-90 GL-4: Viscosity 108.00 @ 104(F)

I'd go with a good 75W-90 GL-4

Re: ATF4 in A833, good? bad? ugly? [Re: CompSyn] #1003994
06/02/11 08:30 PM
06/02/11 08:30 PM
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541 slobovia
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I just called around locally and can get 3 brands. Royal Purple, Redline, and Sta-lube.

Heading out now and will report findings, so stay tuned

Re: ATF4 in A833, good? bad? ugly? [Re: A990] #1003995
06/02/11 09:10 PM
06/02/11 09:10 PM
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Kirkland, Washington
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I currently have Redline's "MT-90" in my 18-spline. Don't remember exactly WHY I chose that over MTL but something on Redline's website caused me to make that choice. Box shifts great under aggressive OR relaxed driving. I think in the 5 years I've been driving it I've missed 3rd twice. And I thrash it from time to time. Under relaxed (slow shift) conditions I can feel the gears engage--I LIKE that! Part of that feel is the coarser cut of the 18 spline's gears though.

I don't downshift into first (hardest job for a synchro) at anything over about 15 mph but it always completes the job just fine.

Re: ATF4 in A833, good? bad? ugly? [Re: Pacnorthcuda] #1003996
06/02/11 09:55 PM
06/02/11 09:55 PM
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541 slobovia
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MT90 is what I picked up. GL-4 and is comparable to 40w motor oil (per the package label) MTL is comparable to 30w

Royal Purple has no GL rating at all, and at $15 per qt, someone with deeper pockets than I will have to beta test it

Sta-Lube is made by CRC, but I didnt go over to Napa to check it out

On a different note, when the SRT-4 needs a fluid change, I'm hearing good things about Royal Purple. On cold days the ATF4 lets the 1-2 upshift crunch a little till things get warmed up- I dont like that

As far as feeling the gears engage, my Ford pickup does that and it is very good to know the 833 can do it too

Re: ATF4 in A833, good? bad? ugly? [Re: JohnRR] #1003997
06/05/11 11:51 PM
06/05/11 11:51 PM
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Wichita,KS
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Quote:

Quote:

In my A833 (23spline) I run 80-90W gear oil that says it works well in extreme pressure and hypoid type of rear ends. It also says it works well in manual transmission and differentials.

There is usually difficulty in shifting from 2nd to 3rd gear fairly consistently...and it seems to occur more often when the car gets warmed up.

The trans is in my 70 Charger RT with 512RB engine with a new Hurst competition plus shifter kit. Could this problem be caused by the type of fluid?

Or is there another thing that could be causing the problem




If it's GL5 that is your problem.




Well I simply did not know that I was running something that was not compatible with the type of gear setup in my trans.

But...yep it says SAE 80W-90 GL-5,GL-4,GL-3 on the bottle. The trans shifts like butter except from 2nd to 3rd when the trans starts to get warmer the longer I am cruising.

I thought that I was doing a good thing buy running the thicker 80w-90....but I guess all 80W-90 is not created equal.

I am gonna dump that stuff and get some other gear oil in there.

Re: ATF4 in A833, good? bad? ugly? [Re: Blakcharger440] #1003998
06/06/11 10:51 AM
06/06/11 10:51 AM
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JohnRR Offline
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Quote:



But...yep it says SAE 80W-90 GL-5,GL-4,GL-3 on the bottle. The trans shifts like butter except from 2nd to 3rd when the trans starts to get warmer the longer I am cruising.






I don't know enough about oils to know if it's possible to rate an oil like that , if it has the stuff for GL5 in there can it really be 4 and 3 compatible ?

Put a thinner oil in it , heck put ATF in , it must be ok since I read it on the internet ...


Re: ATF4 in A833, good? bad? ugly? [Re: JohnRR] #1003999
06/06/11 09:18 PM
06/06/11 09:18 PM
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Wichita,KS
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Quote:

Quote:



But...yep it says SAE 80W-90 GL-5,GL-4,GL-3 on the bottle. The trans shifts like butter except from 2nd to 3rd when the trans starts to get warmer the longer I am cruising.






I don't know enough about oils to know if it's possible to rate an oil like that , if it has the stuff for GL5 in there can it really be 4 and 3 compatible ?

Put a thinner oil in it , heck put ATF in , it must be ok since I read it on the internet ...






Nahh..I am gonna stay away from the internet ATF. I will call Jamie at Passon and get some of his stuff.

Re: ATF4 in A833, good? bad? ugly? [Re: DJVCuda] #1004000
06/06/11 10:46 PM
06/06/11 10:46 PM
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Atco NJ
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Quote:




ATF has never been a problem -

The only other lube I'd recommend is the one Jamie Passon makes on his own, as I am sure he has a well developed product.




GOOD MOVE!

Re: ATF4 in A833, good? bad? ugly? [Re: DJVCuda] #1004001
06/07/11 12:51 AM
06/07/11 12:51 AM
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illinois
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back in 1970/71 mopar put out memo that was directed to owners in cold weather states saying if stick trannys shifted hard in xx degrees and colder,drop gear oil and put in atf.thought that a bit odd but reports back from cws was "thanks can shift the sob now"

Re: ATF4 in A833, good? bad? ugly? [Re: rbkt65] #1004002
06/07/11 06:17 AM
06/07/11 06:17 AM
Joined: Jun 2008
Posts: 10,847
Oakdale CT
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Quote:

back in 1970/71 mopar put out memo that was directed to owners in cold weather states saying if stick trannys shifted hard in xx degrees and colder,drop gear oil and put in atf.thought that a bit odd but reports back from cws was "thanks can shift the sob now"




It states that in the service manual picture I posted (more or less)

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