AMC 401, T999 combo? anyone done it? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 02-13-2001, 10:48 PM Thread Starter
 
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AMC 401, T999 combo? anyone done it?

Hi!! I know I just asked about an older 360 for my cj7, but now I can get a amc 401 for the same price, that I can actually hear run, and is not in need of a rebuild....the question? has anyone bolted this motor up to the t999 tranny, and what needs to be done to do this? will the starter and flywheel from the 401 work? will I need a different torque converter? I know the T999 tranny is not that strong, but I do not have a heavy foot, and I will be running the 401 stock, without mods...I will replace the tranny eventualy. There is someone on this board that has done this, but I can't remember who it was, can anybody else remember? Thanks again for the help!! Ben

86 CJ7 258, weber carb, rusty but trusty!!
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post #2 of (permalink) Old 02-14-2001, 06:49 PM
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Re: AMC 401, T999 combo? anyone done it?

i did it,i bought a flywheel from napa auto parts for a 401 to tf999, about 55.00 and had to remove the bushing out of the back of the crank, the bushing is for a th400 torque converter. that was it, nothing else involved. good luck

post #3 of (permalink) Old 02-15-2001, 12:39 PM
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Re: AMC 401, T999 combo? anyone done it?

look for a torqueflite 727 tranny from a 72-77 postal jeep. same bellhousing, much stronger, you can usually find em cheap.

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post #4 of (permalink) Old 02-15-2001, 07:31 PM Thread Starter
 
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Re: AMC 401, T999 combo? anyone done it?

how hard is it to mate the 727 to the d300 tranfer case? I heard that you have to have 4" of lift to clear the front driveshaft? any truth to this? what other 727's will work? thanks again, Ben

86 CJ7 258, weber carb, rusty but trusty!!
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post #5 of (permalink) Old 02-15-2001, 08:07 PM
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Re: AMC 401, T999 combo? anyone done it?

If you're running a stock 401 you'll probably be OK if you aren't too hard on it. I run a built 304 in front of one
and it takes alot of abuse. Even a 999 can be built to handle more power. I was surprised how it holds up to the
abuse I give it with my ratchet shifter. I usually up shift at 4500 RPM .

post #6 of (permalink) Old 02-15-2001, 10:03 PM
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Re: AMC 401, T999 combo? anyone done it?

it is possible to mate the 727 to a 300 tc, but you need an adapter. I think advance adapters makes one for about 250/300 bucks.

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