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Old 03-19-2011, 11:15 PM
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Replace transmission?

Hi,

I pretty much know dick about CJ's, I'm looking at possibly buying one though - just curious if it's possible to replace the 3-speed tranny with a 5-speed? What exactly would it take to do so?

Thanks
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Old 03-20-2011, 12:17 AM   #2
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Depends on the vintage of CJ and the engine in it....you may have to buy some expensive adapters and shorten up drive shafts.

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Old 03-20-2011, 09:11 PM   #3
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If it's a CJ7 I'm pretty sure the T5 is an easy bolt on five speed (it was a stock option on later CJ7s), and it uses the t176 bellhousing & mates directly to the Dana 300 t-case.
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Old 03-20-2011, 10:28 PM   #4
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I've done the swap on my cj. I have a '76 cj7 that came with a 304 and a t150 3 speed. In order to do the swap you will need a t5 bell, t5 tranny, d300, modify/drop skid plate and new driveshafts. Also the clutch is tricky. Have to mix some parts to get it to work.

I love mine. I hated the 3 spd off road. The d300 is lower ratio 2.62 vs 2.0 of a Dana 20. Tranny is weaker but I have a backup. The lower 1st gear, closer ratio gears, better highway gear and the option for a hurst shifter makes it a cool option.

Hope that helps.
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