Ford Mustang 5.0 6 speed automatic. Swap??? - Ford Muscle Forums : Ford Muscle Cars Tech Forum
 
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post #1 of 9 (permalink) Old 12-23-2010, 09:53 AM Thread Starter
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Ford Mustang 5.0 6 speed automatic. Swap???

how hard would it be swap a 6speed auto from a new GT into my galaxie and get it to mate up to my 533ci engine (385 series)?? Is there a tranny controller or anything available for it?? how much do those bad boys run for $$$??? just throwing some ideas out there....

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post #2 of 9 (permalink) Old 12-26-2010, 08:03 PM
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Re: Ford Mustang 5.0 6 speed automatic. Swap???

They have a different bellhousing bolt pattern which is the modular pattern. It won't work with a 385. Both the manual and auto have integrated bellhousings.

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post #3 of 9 (permalink) Old 12-27-2010, 08:05 AM
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Re: Ford Mustang 5.0 6 speed automatic. Swap???

getting it to fit is only a matter of an adapter plate and fabbing a mount and getting the right output for it. Controlling it is a completely different issue. A proper 385 would most likely grenade that trans anyway.

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post #4 of 9 (permalink) Old 12-29-2010, 10:49 PM Thread Starter
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Re: Ford Mustang 5.0 6 speed automatic. Swap???

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Originally Posted by Ggrahn View Post
getting it to fit is only a matter of an adapter plate and fabbing a mount and getting the right output for it. Controlling it is a completely different issue. A proper 385 would most likely grenade that trans anyway.
LOL yeah i guess your right. I just wanna see what trannys are out there that are actually very efficient that can work. The C6 transmission is such a power thief its rediculous. Coupled with the 9inch rearend it has got to be the least efficient car drivetrain ever!!!! (at least from what i hear).

The auto GT's seem to be dynoing within 15rwhp of the manual dudes and trapping the same or higher.

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post #5 of 9 (permalink) Old 12-30-2010, 08:38 AM
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Re: Ford Mustang 5.0 6 speed automatic. Swap???

The most modern "bolt on" trans you'll find is an E4OD. After that, everything is going to need a controller. I certainly wouldn't mind a 5 or 6 speed auto, but controlling it is the hard part.

Gary
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post #6 of 9 (permalink) Old 12-30-2010, 02:52 PM Thread Starter
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Re: Ford Mustang 5.0 6 speed automatic. Swap???

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The most modern "bolt on" trans you'll find is an E4OD. After that, everything is going to need a controller. I certainly wouldn't mind a 5 or 6 speed auto, but controlling it is the hard part.
yeah but i hear those arent very efficient either. I hear controllers can get expensive also....

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post #7 of 9 (permalink) Old 01-25-2011, 06:39 AM
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Re: Ford Mustang 5.0 6 speed automatic. Swap???

As far as being efficient, I think these new 6speed Transmissions are very efficient. A lot of new autos Transmissions now days are rated better than
Manual Transmissions for fuel economy. I love this new Tec. It's only a matter of time, before it gets cheaper to run a 6 speed auto on a older engine. Just sharing some thoughts on this subject. The idea of have a 6 speed auto, and increasing 1/4 mile times, and HWY cruising speed, and gas
Mileage seems amazing.

John
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post #8 of 9 (permalink) Old 01-25-2011, 12:00 PM
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Re: Ford Mustang 5.0 6 speed automatic. Swap???

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Originally Posted by MauriSSio View Post
yeah but i hear those arent very efficient either. I hear controllers can get expensive also....
What about a manual trans?..They don't get any more effecient and the controller is on your shoulders..


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post #9 of 9 (permalink) Old 10-25-2018, 04:18 PM
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Re: Ford Mustang 5.0 6 speed automatic. Swap???

OR, just stick a Gear Vendor over/underdrive behind your C-4/C-6 & you have a 6 speed automatic!
If you have a well built 3 speed trans. the cost of a GV unit, approx.-$ 22-2600, makes sense too.
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