Jackabo Posted February 27, 2019 Share Posted February 27, 2019 hey guys I’m doing a rb conversion on a 180sx I’m aiming for about 400hp and am gonna be running a rb20det box was wondering if anyone could give us some input with lsd options Link to comment https://www.sau.com.au/forums/topic/476164-s13-180sx-diff/ Share on other sites More sharing options...
GTSBoy Posted February 27, 2019 Share Posted February 27, 2019 The standard diff will be fine. Well, it will be strong enough. The viscous LSD part of it will be sucky if you add much power. Any other LSD option that will fit the car will also do the job. Keep in mind that as an S chassis, you have 3x2 bolt flanges on your diff/axles. So you want to stick with S chassis diffs. Link to comment https://www.sau.com.au/forums/topic/476164-s13-180sx-diff/#findComment-7899333 Share on other sites More sharing options...
Russdmuss Posted March 14, 2019 Share Posted March 14, 2019 My setup is similar s13 with rb25 with just under 400hp, we orginally fitted a complete r33 rear end for the brakes and more strenght but the viscous lsd was still poor as the car does a lot of circuit work (not drifting)Recently fitted a 1.5 nismo pro diff and it completely changed the car for the better.For example before the 1.5 way it would spin in 2nd on accleration, now it has no wheel spin.The first track day it went 1.6 seconds faster a lap with no other changes.Do yourself a favour and buy a proper lsd Link to comment https://www.sau.com.au/forums/topic/476164-s13-180sx-diff/#findComment-7900670 Share on other sites More sharing options...
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