I'd like to hear from anyone who's uprated or welded their diffs.

 

Before anyone goes off on one this is for my na, which is just a bit of fun, and I'm going to be drifting alot more with it,

 

Its become apparent my oe diff is worn out, it's acting too much like an open diff, so needs to go, it's the biggest thing holding me and it back (apart from coilovers but it's getting the slicktops meister when I change them) so looking for opinions from people, seen a nice 2 way on z1's site, but wonder if it's worth the money or should I weld it...?

Might as well weld the knackered one right? Not sure it's much good if it's lost it's lockyness (double word score :lol:)

 

I don't know the legalities of a welded diff on the road, the couple I have seen I spotted in car parks on bmws chirping and scrubbing at low speed.

 

I imagine you will get a lot of oversteer, try it mate :) I'd like a go with one.

Maybe I'm being stupid, spent money on the z1 fly prop clutch etc, guess I shouldn't cut corners now, at least I could still trackday it with a 2 way... And the subframe with the good diff would fit the slicktop should the worst happen to the na...

if it's junk anyway, weld it up and try it! If you don't like it, get a 2way

if it's junk anyway, weld it up and try it! If you don't like it, get a 2way

 

This...although isn't it also your daily? Shame it's not a TT because tt diffs are worth about 50p so you could just swap it out.

It is a daily still, but it's 6 miles to work lol

I imagine you will get a lot of oversteer, try it mate :) I'd like a go with one.

 

Tom from my experience a locked diff will give you understeer not oversteer.

 

Paul

Thats interesting, because you get a lot of 'push' at roundabouts and stuff? I can see how it would give you great traction and how it would be totally consistent with how it slides about But don't know much about them.

 

Going round a bend though only one of your back wheels will be at the right speed and the other will be spinning or dragging? Or is the difference in wheel speed small enough on the large arcs of normal corners that that doesn't happen?

 

I'll have to have a google :)

If you have a locked diff the tendency is for it to push the car to the outside of the bend or corner (which is under steer) because both wheels are rotating at the same speed, but the inside wheel is traveling a shorter distance, a car with a LSD both wheels will travel at the same speed in a straight line but when it comes to a bend or corner depending on the pre load of the lsd the inside wheel will start rotate to stop the pushing effect that a locked diff gives.

Just a reminder about the coilovers on the slicktop... they were spring rated for the lighter SWB slicktop. You may find them a bit soft on a LWB car! You could check with Jerrick what he might suggest with regards to changing the springs or perhaps winding more preload onto them would stiffen them enough at the expense of suspension travel.

Thanks, hadn't thought of that, tbh the slicktop and my na are roughly the same weight overall anyway, but will contact them closer to the time thanks