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Re: Motor oil in trans
[Re: Supercuda]
#158541
12/07/08 06:30 PM
12/07/08 06:30 PM
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Joined: Jan 2003
Posts: 25,750
Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,750
Rio Linda, CA
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Whenever this is debated the seal compatibility issue usually arises but, in the case of Mopar, take a look at the part numbers of some of the internal seals in the steering box and pump; same part numbers for back in the day when ATF was the recommended fluid for P/S and the newer ones that specify P/S fluid only.
The INTERNET, the MISinformation superhighway
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Re: Motor oil in trans
[Re: I go fast]
#158543
12/08/08 06:30 PM
12/08/08 06:30 PM
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Joined: Jan 2003
Posts: 25,750
Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,750
Rio Linda, CA
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A higher detergent fluid might take on a black color after a while but that doesn't mean it's a problem.
The INTERNET, the MISinformation superhighway
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Re: Motor oil in trans
#158544
12/08/08 07:01 PM
12/08/08 07:01 PM
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Joined: Jan 2003
Posts: 11,710
Portage,michigan
B3422W5
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 11,710
Portage,michigan
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Quote:
Also,put your motor oil in anything but a 904/727 and see how long it lasts.Even Type F is not recommended. 
The guy that does my trannies(and is one of the leading performance trans builders in the country , and has been for 30 years)said not to run anything BUT type f in the trannie
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, 10.40 @127 1/4
1.41 best 60 foot
6.60 at 103.90 1/8
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Re: Motor oil in trans
[Re: fastnos]
#158545
12/08/08 11:13 PM
12/08/08 11:13 PM
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Joined: Jan 2003
Posts: 4,062
Fort DODGE, Ioway
origcharger
master
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master
Joined: Jan 2003
Posts: 4,062
Fort DODGE, Ioway
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Quote:
Was in the Air Force for 20 years, as a Vehicle Mechanic. Most of the larger trucks that had Allison transmissions in them, used 10 Wt (Hydraulic oil). Never had any major failure that I can remember because of the fluid. I know it's not engine oil, but it's along the same lines with different characteristics.
Before the electronic controlled tranny era it was common to use 15W-40 or 30 motor oil in Allison trannys. It was Allison approved oil as long as it was classfied as a "C4" fluid.
MOPARTS ALERT!: Chris Pugh aka gabodyman of Dalton, Georgia, cashed my $140 money order on 4-16-02 never sent parts. On 3-19-07 he agreed to return my money; "april 9, it will be in the mail by that date""will do as promised. chris" Still no parts and no money!
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Re: Motor oil in trans
[Re: I go fast]
#158547
12/09/08 03:47 PM
12/09/08 03:47 PM
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Joined: Dec 2006
Posts: 3,533
Indiana
Fury Fan
master
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master
Joined: Dec 2006
Posts: 3,533
Indiana
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I wonder how many of these 'transmission builder experts' that say use this or that but not *this* or *that* have done any true long-term scientific-based testing? I wonder how many of them mix-n-match multiple variables and then pull a conclusion out on the other side???
Parts I seek:
driver doorpanel, 65 Sport Fury, prefer black, needs to be 7-8 on 10 scale, might buy set
16" x 6" Dodge truck wheel(s), from early 70s?, takes 9" dogdish - need for a research job so cheaper is better.
69-73 C-body caliper brackets and/or splashields
Send a PM.
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Re: Motor oil in trans
[Re: John_Kunkel]
#158549
12/10/08 02:15 AM
12/10/08 02:15 AM
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Joined: Dec 2008
Posts: 176
Rome, GA
GTXX
member
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member
Joined: Dec 2008
Posts: 176
Rome, GA
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the reason the marv booth guy recommended using some motor oil with ATF was heat related. It would still lubricate at a higher temps when ATF was useless as a lubricant. Seems like he said 16 to 32 oz. depending on how hard the transmission was used. I have put 16 oz. in everything for over 20 years.
'71 GTX w/Air Grabber, Super Trak Pak, Spoiler Pkg. been apart for 22 years, thinking it's time to do something about that....
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