What's involved in fitting a BTR diff to a GKN car?

[Discopotatoes]

As per the title what's involved?
Cheers

[Mr Supercharged]

Your best bet is to speak to Sportmotive where they make replacement new chassis for both types. What's wrong with your old diff?

[Discopotatoes]

Mr Supercharged said:

Your best bet is to speak to Sportmotive where they make replacement new chassis for both types. What's wrong with your old diff?

Cheers, nothing yet but BTRs are stronger and you get a better choice of ratios