FTO AUSTRALIA

Hi, does anyone know if a GPX Tip is able to use a donor LSD from a GPvR? are they compatible for both the manual n tip boxes?

does anyone know what r the specs of this LSD? helical? 1/1.5/2way?

many thanx
sam

G1 had one for sale and did a number of posts on this with some really good links, quite a while ago though.

wildfaye wrote:Hi, does anyone know if a GPX Tip is able to use a donor LSD from a GPvR? are they compatible for both the manual n tip boxes?

does anyone know what r the specs of this LSD? helical? 1/1.5/2way?

many thanx
sam

Yeah I think he might still have it, pretty good price as well I think. It was a Cusco one. Check out the parts - for sale section. It was a 1.5 way.

erm, actually i m looking at the stock LSD that came with the GpvR

umm, to my knowledge the LSD out of the GPvR is actually a viscous coupling and not a mechanical diff. I think at least. AS to differences between the GPX and GpvR gearboxes to fit the LSD I'm not sure. God luck though and let us know how you go.

wow i didnt know there were so many types of LSDs around...

anyone care to explain the diff types of LSDs around and how they actually work...

which is best for take off ? 1/1.5/2?

From my meager knowledge . . .

1 way - Limited Slip works only during acceleration (Or only deceleration but that's not really as benefical as acceleration).
2 way - Works in both acceleration and decelaration.

1.5 way - Work in acceleration . . . . and in deceleration but I believe it doesn't activate until some certain conditions are met. This one I'm not actually sure about =P

You'll be able to find out more if you do a google search =P

Oh, there's also a few methods.

Mechanical uses a set of gears and clutches.
Viscous Coupling uses vaned gears and a viscous fluid to work, same principle as a torque converter I believe.

The mechanical types also have a few different methods, I believe the most common one is the torsion type.

Yeah sounds about right to me. Another sort of Mechanical diff is a lock diff but I'd think that you wouldn't be able to steer anymore if you fitted one to a fornt wheel drive. As the name implies a lock diff locks the diffs together (a cheap and illegal way of doing this is to weld the diff) It's mostly done on powerful rear wheel drive cars.

Another idea is that of Cone lockers in the gearbox. I don't know exactly how they work but they work to prevent slip between the diffs from the gearbox. Like a LSD. A mate has cone lockers in his car and we've yet to test the cone lockers in his against the LSD in mine. It will be an interesting exercise because the cone lockers a long way cheaper and can be fitted by a gearbox specialist, they just need to take the gearbox out.

I was always under the impression that the LSD on GRvR was a helical same as Integra typeR

Yup, GPvRs have a helical type front LSD. This is what I found on the web what is meant by helical LSD:

"The helical LSD is a torque induction LSD that utilizes a helical gear. It improves the response of the torque generated by the slip differential with respect to the diferrential input torque (the accelerator aperture) and also makes it possible to reduce the number of components because the driving force transmission parts and the part that generates the limited differential torque is the same."

Viscous coupling is most common in AWDs.

Whoops sounds like I was wrong, sorry everyone
So would a helical gear be considered a type of mechanical diff? Anyone know anymore about helical diffs?

Yeha i believe the helical diff is a mechanical diff.

It uses worm gears in the centre of the diff to distribute torque, don't ask me how it works because it looks complicated =)

Something about the angle of the worm gears =)