Re: fluid for 904 transmission
[Re: GoodysGotaCuda]
#162983
12/06/08 09:57 AM
12/06/08 09:57 AM
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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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If your mixing with original Fluid, it would be dexron type transmission fluid.
'70 Duster 470hp 340/T56 Magnum/8 3/4 3.23 Sure-Grip
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Re: fluid for 904 transmission
[Re: Evil Spirit]
#162986
12/06/08 12:25 PM
12/06/08 12:25 PM
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Joined: Jan 2003
Posts: 25,200
Upper Midwest
MoparforLife
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,200
Upper Midwest
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Quote:
Type F with 1 qt of 30w don-detergent motor oil. 
Wh6y nondetergent??? As you know ATF is a very high detergent lubricant. 
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Re: fluid for 904 transmission
[Re: Evil Spirit]
#162988
12/06/08 01:14 PM
12/06/08 01:14 PM
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Joined: Jan 2003
Posts: 25,200
Upper Midwest
MoparforLife
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,200
Upper Midwest
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Quote:
Quote:
Quote:
Type F with 1 qt of 30w don-detergent motor oil.
Wh6y nondetergent??? As you know ATF is a very high detergent lubricant.
I was told that non detergent oil has less issues with foaming. I'm not a chemist, so I'm just going on told by a guy that heard from a guy that knew a guy... Besides, if it's good enough for a Briggs and Stratton...
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Re: fluid for 904 transmission
[Re: Evil Spirit]
#162990
12/06/08 01:57 PM
12/06/08 01:57 PM
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Joined: Jan 2003
Posts: 25,200
Upper Midwest
MoparforLife
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,200
Upper Midwest
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I am not trying to start a feud. I was just wondering the reasoning for the non detergent. I use Type F for the non foaming reason along with seemingly firmer shifting. 3 seasons ago I replaced the transmission in the drag car that a friend of mine and I built in 1992 for the car. It still worked flawlessly but I had another sitting on the garage floor that I had rebuilt for replacement so decided to put it in along with a different converter. The transmission that I took out had the fluid changed a couple of times in the interval with countless passes on it. There was vertually no crap in the pan. Note these rebuilds were both done using over the counter OEM type 727 kits and using Type F fluid.  IMO use what works for you.
Clean it, if it's Dirty. Oil it, if it Squeaks.
But: Don't fix it, if it Works!
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Re: fluid for 904 transmission
[Re: MoparforLife]
#162991
12/06/08 02:10 PM
12/06/08 02:10 PM
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Joined: Jan 2005
Posts: 3,699
Newport, Mi
Evil Spirit
master
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master
Joined: Jan 2005
Posts: 3,699
Newport, Mi
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We have several 904's that we push 600+ hp through, and the extra lube can't hurt. Some of them are running drilled driving shells that throw a lot of fluid around, so we use the n/d oil. Stock planetaries put a lot of load on the bushings, and it doesn't seem to be cost effective to roller bearing the trans when there is little performance gain and the oil seems to do the trick.  to ya!
Free advice and worth every penny...
Factory trained Slinky rewinder.........
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