How Do I Identify?
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Joined: Aug 2007
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How Do I Identify?
My front differential type?
My rear differential type?
it has the number 30280 on the rear of it, just above the fill/level plug
My transfer case type?
it is shaped like a lozenge-pill, says "ATF" on it.
I need to know what type of fluids to use in each, and whether or not to use additives for any of them.
I used Valvoline Dextron 3 for the transmission.
1984 F350 460V8 4BL, 4wd, C6 transmission
My rear differential type?
it has the number 30280 on the rear of it, just above the fill/level plug
My transfer case type?
it is shaped like a lozenge-pill, says "ATF" on it.
I need to know what type of fluids to use in each, and whether or not to use additives for any of them.
I used Valvoline Dextron 3 for the transmission.
1984 F350 460V8 4BL, 4wd, C6 transmission
Posting Guru
Joined: May 2003
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The rear end should be happy with any high quality 85/140 gear oil with friction modifier (8 ozs or 2 bottles on a 10" or bigger) added if its a traction lock. The transfer case uses the same oil as the C6(atf).
Laughing Gas
Joined: Sep 2005
Posts: 984
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The front axle will use the same as the rear. I don't recall and front limited slips in that era. The front will be either a HD Dana 44 or a Dana 60m gear oil is fine. The t-case should be a BW1356 I believe, most all the aluminum case t-cases take ATF.
Matt
Matt
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Still need to ID my axles
Hey all,
I have new information:
I found tags on my front and rear axles. The front one has this on the front:
3,54 E3TA AFD
610200-1
the rear has this:
3,54 F4TA ANC
665197-5 IS
Any ideas what these numbers mean or where to go to figure this out?
I have new information:
I found tags on my front and rear axles. The front one has this on the front:
3,54 E3TA AFD
610200-1
the rear has this:
3,54 F4TA ANC
665197-5 IS
Any ideas what these numbers mean or where to go to figure this out?
Laughing Gas
Joined: Sep 2005
Posts: 984
Likes: 8
Someone can probably identify the axles from those number but there should be some more info, such as ring gear size. You probably have the sterling rear and should be a 10.25in ring gear. The front if it's a Dana 44 should be 8. ( I forget the other number) and a Dana 60 is around 9.75 if I recall correctly. From your info I can tell you both are open diffs so you don't need any friction modifier, if they were there would be a "L" in the gear ratio,(ex open 3.54, LS 3L54).
Matt
Matt
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