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Old 11-18-2009, 11:23 AM   #1 (permalink)
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Building a performance AOD? How tough are AODs?

I was kinda wondering what was involved in building an AOD to stand ~400hp? I've heard there are all kinds of parts that need to be replaced with tougher stuff and it will cost something like $2,000 to buy a built AOD or build one?

I was hoping some upgraded bands, servos, shift kit, and frictions would be good enough, but I hear an AOD like that won't even take 300hp?

I've got a stock AOD and I was hoping that it would at least be able to stand up to the stock 93 Cobra motor in the '66? I'd hate to think what would happen when I put a mildly modded AOD behind the roller 306 I'm building.

What's the real deal with these things?
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Old 11-19-2009, 05:27 AM   #2 (permalink)
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Re: Building a performance AOD? How tough are AODs?

Absolutely, an AOD can be built to handle 400HP and much more. I have over 500HP at the flywheel and my AOD works perfectly.
The best advice I can give you is to call Jay at Broader Performance. He is great to work with and he supplied all of the internals for my AOD build.
I also highly recommend his custom valvebody that lets you shift it like a C4 in 1st - 3rd and even use a 3 speed auto shifter, which gives you a lot more shifter choices in the aftermarket.

Broader Performance Home Page
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Last edited by kgordonl; 11-19-2009 at 05:48 PM.
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Old 11-20-2009, 12:55 PM   #3 (permalink)
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Re: Building a performance AOD? How tough are AODs?

X2!
Jay, at Broader Performance, is a great place to get parts or a complete transmission - AOD or C4 - at a good price. 500 HP is easy to handle with an AOD as long as there is no nitrous or blower involved.
Some of the confusion in building one comes from the "band swap". You can't put the wider band in the AOD without using the later model drum - the easiest way to get the drum is to get a 4R70W and use the guts from it in your AOD. That way you get the wider drum and the steel drums for the "Power Pack" kit that gives you the ability to use more clutches. You also need to upgrade to the larger servo - "A" or "A+" for OD. An aftermarket valve body is the best way to get a long life out of the AOD. If I wasn't building my own I ould be buying them from Jay. He ships anywhere (I only build locally) in the world.
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Old 11-21-2009, 03:32 PM   #4 (permalink)
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Re: Building a performance AOD? How tough are AODs?

Quote:
Originally Posted by PaulS1950 View Post
X2!
Jay, at Broader Performance, is a great place to get parts or a complete transmission - AOD or C4 - at a good price.
X3...might mention, Jay does converters, too. I love his stuff and his service, and trust his recommendations and advice without question.
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Old 11-22-2009, 10:45 AM   #5 (permalink)
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Re: Building a performance AOD? How tough are AODs?

x4

I bought him a C6 1000hp for $2K.

For the same price, he proposed me an AOD which could handle 700hp.

Very good guy!
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Old 11-22-2009, 11:45 AM   #6 (permalink)
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Re: Building a performance AOD? How tough are AODs?

x5 Jay at Broader built my 3000 stall wide ratio aod for my falcon 2 years ago. Ive beat on mine with 150 shot and I could'nt be happier with it.Barry
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