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Old 07-25-2017, 03:53 PM   #1
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Install 4 Speed in 74 Duster

I have a friend that has an unmolested 74 Duster with a 318 & OEM floor shift 3 speed trans. The engine is being rebuilt with a small cam and the addition of a 4 bbl manifold and carb. He would like to change to a 4 speed (non overdrive A833). I understand that the 318 bellhousing is drilled for both the 3 & 4 spd transmissions and am looking for information on this conversion. Does the cross member and/or driveshaft need to be replaced or modified? Also possible sources for a serviceable trans and any other information pertaining to such a swap would be appreciated.
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Old 07-25-2017, 07:24 PM   #2
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Old 07-25-2017, 09:47 PM   #3
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Looks like just what I need. I'll contact them. Thanks for the info.
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Old 07-26-2017, 06:59 AM   #4
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Emo -

You you mean a 3 speed auto or 3 speed manual?

I just haven't seem too many Dusters with a 3 speed auto on the floor.

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Old 07-26-2017, 12:45 PM   #5
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3 speed manual
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Old 07-26-2017, 03:48 PM   #6
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How many Abody 4 speeds do you want?
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Old 07-26-2017, 07:51 PM   #7
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Just one
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