T-5 to NP231 Mating - Jeep Wrangler Forum
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Old 03-17-2014, 09:35 AM   #1
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T-5 to NP231 Mating

Hi Kids,
Here is what I am planning on doing.

I had a Chevy small block, T-5, and 70% of the ancillary stuff given to me from a CJ-7 that a buddy of mine owns.

My 231 flange pattern is the same as the T-5, however the output shaft of the T-5 and the input of the 231 do not match up.

Can I just replace the input shaft to the 231 and call it good.

Please do not tell me that keeping the T-5 is a bad idea (it was behind the 350 for years), I should just do the 300 flip (I have the 231 already, and it fits other than the input shaft) or anything along those lines. Positive reinforcement and good answers are all I'm looking for.

Thanks,
Pete

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Old 03-17-2014, 10:55 AM   #2
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Nothing wrong with having a t-5. If I remember correctly it has a granny low 1st gear.

You can try Novak Industries, or Advance adapters for the correct input gear to match the 2 together.

The only problem that you will probably encounter is needing new drive shafts made because of the different lengths of the drivetrain.

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Old 03-17-2014, 02:25 PM   #3
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That is kinda what I figured, was thinking about GC shafts and having the lengths changed at my local shop...
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