Zhunter Posted June 14, 2010 Share Posted June 14, 2010 Hey guys, So I just purchased another parts car which is a 78 280z. when we pulled the R200 out, it seemed to me that it took 1 turn of the drive shaft to spin the wheels 3 times. Did they make a diff with a 3:0 ratio?? We cant read the stamp. Sorry if its a dumb question. still learning about the cars. Quote Link to comment Share on other sites More sharing options...
JMortensen Posted June 14, 2010 Share Posted June 14, 2010 They didn't make a factory ratio of 3:1. It might have been available from Nissan comp, but unlikely that you have a very tall comp gear in your diff. Tallest factory ratio was 3.36, but it didn't come in any 280Z. Most (all?) 280Z's with R200s were 3.54. What you can do is pull the rear cover and it will have the ring and pinion tooth count stamped on it. It will probably read 39:11, which if you divide it out is 3.5454545454. Quote Link to comment Share on other sites More sharing options...
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