CEF11E Posted September 30, 2009 Share Posted September 30, 2009 I have a 30det in my R32 and originally had a 4.3:1 ratio and it was a lot of fun and very snappy but hard to launch. I replaced the diff with a 4.1:1 ratio and it was a noticable difference. it is less snappy and launches better. I have not noticed any decrease in acceleration possibly because I am now getting slightly better traction. if you want it fro sliding or fun keep a 4.3 in it and if you want to drive it every day go the 4.1 or even taller. cheers! Link to comment https://www.sau.com.au/forums/topic/250231-diff-swap-for-rb30det/page/4/#findComment-4855678 Share on other sites More sharing options...
bubba Posted October 1, 2009 Share Posted October 1, 2009 slightly off topic but does anyone know how to tell if a r34 diff is viscous or helical??? I don't know if the thing was from an auto or manual and a quick spin of the drive shafts tells me the ratio is around 4.11:1 but i hear the vicious ones were 4.8 or something so too hard to tell. Any markings as such to give the game away? 4.8 seems mighty high.. Link to comment https://www.sau.com.au/forums/topic/250231-diff-swap-for-rb30det/page/4/#findComment-4855777 Share on other sites More sharing options...
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