nicholas1122459 Posted October 19, 2016 Share Posted October 19, 2016 hows it going guys i have a 1973 240z with a 327 v8. i am in the process of swapping in an ls1. i am currently trying to have a driveshaft made but i do not know what kind of diff is currently in the z. if someone could tell me, that would be awesome. it does have the viscous LSD orange sticker. here is a picture Quote Link to comment Share on other sites More sharing options...
NewZed Posted October 19, 2016 Share Posted October 19, 2016 The bolt pattern looks like an R230. Here's a pretty good comparison picture from the back, Post #6. http://www.mgexp.com/phorum/read.php?40,1106874 Quote Link to comment Share on other sites More sharing options...
nicholas1122459 Posted October 20, 2016 Author Share Posted October 20, 2016 The bolt pattern looks like an R230. Here's a pretty good comparison picture from the back, Post #6. http://www.mgexp.com/phorum/read.php?40,1106874 Can anyone confirm this? Quote Link to comment Share on other sites More sharing options...
RB26powered74zcar Posted October 20, 2016 Share Posted October 20, 2016 R230 Quote Link to comment Share on other sites More sharing options...
nicholas1122459 Posted October 20, 2016 Author Share Posted October 20, 2016 R230 how do i know the gear ratio? i am not sure what vehicle the diff is from Quote Link to comment Share on other sites More sharing options...
NewZed Posted October 20, 2016 Share Posted October 20, 2016 hows it going guys i have a 1973 240z with a 327 v8. i am in the process of swapping in an ls1. i am currently trying to have a driveshaft made but i do not know what kind of diff is currently in the z. if someone could tell me, that would be awesome. it does have the viscous LSD orange sticker. here is a picture The propeller shaft doesn't care what the ratio is. Spin and count will get you close on the ratio. Finding the stamped tooth count numbers on the ring gear will let you do some division. Are you sure that you want to start this swap? If you have a car that runs you might want to keep it that way. You're going to have a tough go, at your current question rate. Quote Link to comment Share on other sites More sharing options...
Namor Posted October 20, 2016 Share Posted October 20, 2016 Just take the current driveshaft to a driveshaft shop and tell them to change out the transmission slip yoke for the transmission you are going to use and how long you want it to be. Quote Link to comment Share on other sites More sharing options...
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