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RX7 and cosmo driveshafts are maintainable!

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Old 03-08-06, 02:42 PM
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RX7 and cosmo driveshafts are maintainable!

I make swap AT to MT on my JC Cosmo. I bought Turbo2 FC driveshaft and MT on yahoo. The problem was: how to join FC front flange to cosmo driveshaft. I choose to disassemble U-joints and assemmble different shafts together with new aftermarket U-joint. I bought two U-joints GKN with common cap diameter 24mm, but different length. 64,5 - first, 74,5 - second, 68-70 - FC. The first was too small. The second is too big, but the end caps was the same on all U-joint (FC too)!
I disassembled FC U-joint and assembled it with new caps and seals from new U-joints.
I used hydraulic press and grip vice and made custom shaft!
All parts was about 30 bucks.




Old 03-08-06, 03:05 PM
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wait.........so did you change the U joints only? or did you make a T2 DriveShaft (DS) longer to fit with the cosmo rear end and the T2 transmission? post pictures of the cosmo too.
Old 03-08-06, 04:07 PM
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Originally Posted by Madrx7racer
wait.........so did you change the U joints only? or did you make a T2 DriveShaft (DS) longer to fit with the cosmo rear end and the T2 transmission? post pictures of the cosmo too.
Cosmo AT and FC MT have the same length from engine to the end of transmission shaft. Difference is about 5 mm in the size of front flanges. FC's is shorter. I'll bring all together during this month. I wait special MT mount from Japan. I'll make photos.
Old 03-08-06, 04:09 PM
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Originally Posted by Madrx7racer
wait.........so did you change the U joints only? or did you make a T2 DriveShaft (DS) longer to fit with the cosmo rear end and the T2 transmission? post pictures of the cosmo too.
I change U-joint and front flange only.
Old 03-08-06, 04:09 PM
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oh.....cool.....keep it up......
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