Hi all, apologies as I'm sure this has been discussed before but I couldnt find the answer I was after by searching the forum. If you can point me to a thread then please do!
I am in the market to buy an ISF after my RX7 gets a good enough offer on it. I have been examining the available choice and there is quite a stark difference in price between a facelift and the non-facelift variants, usually about 5k for similar miles. There are obviously more changes between pre and post facelift than just the diff, but most of them can be easily rectified with a mod or two (headlights, bluetooth etc).
Is the torsen differential an essential purchase for those who give it a hoon every now and again? How effective is the e-diff in the pre-facelift model, is it very noticable in lower gears and launches, or does it behave roughly the same? I have no intent on taking it to the track, but those moments you give it some beans at a light I wouldnt want to be shown up by something purely because I couldnt put the power down with no proper diff. So how good is the e-diff? Or should I just bite the bullet and find a post-facelift. Another option would be swapping in a torsen diff further down the line, but I understand this can cost a lot on the second-hand market, if I can find one at all.
Thanks