McDoogle Posted June 29, 2015 Share Posted June 29, 2015 Checked the service manual and it said "see hybridz.org". Took me forever to realize how to get this thing out and when i did get it out i realized idk what its from. Quote Link to comment Share on other sites More sharing options...
McDoogle Posted June 29, 2015 Author Share Posted June 29, 2015 im referring to the halfshaft on the bottom. The one above it is from a 240z. Is the other from a 280zx? Quote Link to comment Share on other sites More sharing options...
jhm Posted June 29, 2015 Share Posted June 29, 2015 They're both for an S30....just different styles. The top half-shaft bolts to the differential stub axle with 4 bolts (similar to how it bolts to the hub flange at the outer); and the bottom unit uses a single "button-style" bolt to bolt onto the differential. They both should extend and compress to the same lengths as each other. I don't remember if they were year-specific, but they can be interchangeable if necessary. Datsun switched to CV axles in the rear end during production of the S130. Hope this helps -- I'm sure others will chime in with additional info regarding year-specific details. Did they both come from the same car? If so, a PO must have swapped one out for a different style at some point. Quote Link to comment Share on other sites More sharing options...
Miles Posted June 29, 2015 Share Posted June 29, 2015 (edited) Is this it? http://www.ebay.com/itm/79-83-DATSUN-280ZX-R180-U-JOINT-HALF-SHAFT-WITH-SPINDLE-/221673744016?hash=item339cc8e690&vxp=mtr Edited June 29, 2015 by Miles Quote Link to comment Share on other sites More sharing options...
jhm Posted June 29, 2015 Share Posted June 29, 2015 Looks to be the same. I had that style half-shaft on the first R180 that came on my late '74 260Z, but I have no idea if it was the original R180 that came with the car from the factory. I switched half-shafts to the other style only because they're easier for me to remove during maintenance on the rear end...purely personal preference. Maybe it was only the turbo ZXs that came with CV axles and R200? Quote Link to comment Share on other sites More sharing options...
SRRTz Posted June 29, 2015 Share Posted June 29, 2015 In my experience, R180s have always had the style axles on the bottom and R200s have always had the style axles on top. Sounds like they may interchange but I've never personally tried to do so. I'm pretty sure that all turbo ZXs and later 2+2 ZXs had CV axles (maybe all 2+2, not 100% sure on that one). Quote Link to comment Share on other sites More sharing options...
McDoogle Posted June 30, 2015 Author Share Posted June 30, 2015 Well they appear to be the same size so im going to just swap the two ends and call it a day. The car is an early 260z but has an l28(n42) in it. Im assuming the whole driveline has been swapped from another car. How can i tell what differential i have? Quote Link to comment Share on other sites More sharing options...
SRRTz Posted June 30, 2015 Share Posted June 30, 2015 R180: 5-bolt aluminum seal retainers on the sides of the housing, rectangular rear cover that is noticeably taller than it is wide R200: seals seated directly into housing, cover is much more square shaped Search "R180 differential" on Google images and one of the first few images will show the difference in the rear cover Quote Link to comment Share on other sites More sharing options...
jhm Posted June 30, 2015 Share Posted June 30, 2015 Big difference in size and shape between R180 and R200.....read all the threads pinned in the Drivetrain FAQs, starting with this one: http://forums.hybridz.org/topic/49194-differential-cv-lsd-hp-torque-r160-r180-r200-r230-diff-mount/. Quote Link to comment Share on other sites More sharing options...
Miles Posted July 1, 2015 Share Posted July 1, 2015 (edited) http://www.zparts.com/zptech/comparisons/med/99r09f24arw2.jpg Edited July 1, 2015 by Miles Quote Link to comment Share on other sites More sharing options...
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