D9inger Posted October 20, 2018 Share Posted October 20, 2018 According to this my 78Z has an R200, I was under the impression it was a R180. Is this correct? http://www.zhome.com/ZCMnL/tech/GearRatios.html Quote Link to comment Share on other sites More sharing options...
jhm Posted October 20, 2018 Share Posted October 20, 2018 Your diff may have been swapped by POs....just get under there and see what you've got, to know for sure. If you can't tell by inspection, take some pics and post them. We'll be able to tell you. Quote Link to comment Share on other sites More sharing options...
D9inger Posted October 20, 2018 Author Share Posted October 20, 2018 I bought it from the original owner so I'm going with it's stock. It came with the original bill of sale. I have a R200 from a 1982ZXT as well, but I was under the impression the '78s came stock with a R180. Quote Link to comment Share on other sites More sharing options...
Miles Posted October 20, 2018 Share Posted October 20, 2018 Picture of R180 vs R200. Look under the car. Quote Link to comment Share on other sites More sharing options...
NewZed Posted October 20, 2018 Share Posted October 20, 2018 Looks like Nissan used the R180 with the automatic transmission. 3N71B. Quote Link to comment Share on other sites More sharing options...
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