Non-TVD good for straight line acceleration with lesser weight, possible less power loss. TVD good for conquering turns at higher speeds, better for track. NonTVD driver told me he slips more at turns at higher speeds.

 

I bought mine cuz it looks badass with the carbon fiber roof and spoiler. After driving it with and a car without made me feel a lot better that I decided to get it.

 

if its a good deal buy it your not going to regret it

 

Buy the Torsen, sell the diff to an IS F guy, and swap in the OS Giken LSD for the IS F. I have driven all four (Giken, TVD, Torsen, open spool). I like the Giken best.

 

is there a link to the OS Giken LSD?

 

^^^^Here:

http://speedfreaksusa.com/search.html?q=giken

They are forum sponsors and they give a CL discount.

Lou