mike260z Posted July 31, 2009 Share #1 Posted July 31, 2009 hi, im fixing a 260z and i was wondering wich transmision is better, i have the 4spd Link to comment Share on other sites More sharing options...
Zs-ondabrain Posted July 31, 2009 Share #2 Posted July 31, 2009 79' ZX 5-speed has been nothing but Awesome in my 240Z. Great low end and 5th gear gets me Great MPG on the freeway. I basically do 2950 RPM's at 80MPH, which leaves a lot of pedal around 100MPHI'm sure a few other will give the specifics on what is needed for the conversion. (cross-member, driveline, etc.)Dave Link to comment Share on other sites More sharing options...
mike260z Posted July 31, 2009 Author Share #3 Posted July 31, 2009 thanks dave, what do i need for this conversion? Link to comment Share on other sites More sharing options...
Zs-ondabrain Posted July 31, 2009 Share #4 Posted July 31, 2009 I think you need the driveline from the ZX and turn your stock crossmember back to front, (spin 180 degrees)I think, don't take my word for it, I was hoping others would chime in.Dave Link to comment Share on other sites More sharing options...
Weasel73240Z Posted July 31, 2009 Share #5 Posted July 31, 2009 When I installed my 5-speed, it was a straight bolt-up. Used my original 240 driveshaft, all mounts, etc. and it worked fine (except for the fact that the 5-speed tranny needed a rebuild ). Wish I did that before I installed (then removed) it. I did use the shifter from the 5-speed instead of my original 4-speed shifter. I also think there are subtle difference in the TO bearings, but I'm not sure on that. Link to comment Share on other sites More sharing options...
xxxpatsabxxx Posted July 31, 2009 Share #6 Posted July 31, 2009 hmm, so with the 5 speed bolt onto an 1974 260 automatic? Link to comment Share on other sites More sharing options...
zguitar71 Posted July 31, 2009 Share #7 Posted July 31, 2009 Yes the 5 speed will mate to the motor from a 260 auto but you will need to add the entire clutch system to the car, use a flywheel from a manual and the starter might need to be changed too (not sure on the last one). The drive line might be the wrong length and the trans tunnel might have to be modified too (for the shifter to fit). I am not sure of all the mods I listed but they are just some things that come to mind when I picture the change over in my head. It is not nearly as straight forward as a 4-5 speed change. There are articles people have written about the swap on Hybridz.org and possible here too. It can be done though. Link to comment Share on other sites More sharing options...
mike260z Posted July 31, 2009 Author Share #8 Posted July 31, 2009 then the 5spd is just plug&play ? Link to comment Share on other sites More sharing options...
sblake01 Posted July 31, 2009 Share #9 Posted July 31, 2009 then the 5spd is just plug&play ?Pretty much when you're going from a 4 speed manual to a 5 speed manual. Link to comment Share on other sites More sharing options...
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