which Aod

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Apr 20, 2006 | 07:53 PM

beegee

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which Aod

It is to my understanding that ford made two different AOD trannys one with a 2.40 first gear and one with a 2.84 and was wondering which would be in my 1984 f150....thanks.....Brett

Apr 21, 2006 | 07:02 AM

Casey

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All AODs had a 2.4 first gear. The 4R70W evolved from the AOD and has a 2.84 first gear.

The 4R70W didn't start until 1993, so your '84 has an AOD with a 2.40 first gear.

May 14, 2006 | 06:38 AM

Silverback

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Joined: Jul 2004

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From: So. NH

Hi, Casey! I'm a real newbie- both to the forum, and to being a truck owner.

Did all the 93 F-150's (automatics) have the 4R70W tranny? What other info can you provide?
Is there a spec chart here, or some place I can find more info?

Thanks!

May 15, 2006 | 11:38 AM

mudgepondexpress

Elder User

Joined: Feb 2005

Posts: 526

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From: Spokane, WA

Further on this subject. I believe I can put the 2.84 gearset into my early AOD but what do i need to do it? Do I just need the planetary setup, or do I need the clutch pack, etc to make this happen. My AOD works great but I always wanted the lower first gear for the little towing I do. I currently have 3.70's in the 9 inch with a 5.0 SEFI HO out of a late model Mustang. I don't tow a ton, so the setup works for me but I would really like that lower gearset.

Kenny