it seems the Kia Sportage has a similar diff to the S2000 but a different ratio - swap over looks straight forward and saves you a bomb from 'performance' brands for the same end result

http://www.turbomagazine.com/tech/0804_tur...ive_ratios.html

also looks like the RX7/8 and mx5 have a suitable diff too.
i wonder how much a second hand diff from sportage would cost?

 

There are a few people on the UK forum who have the 'ideal' 4.625 Kia gear which would be my choice...it's just a shame that Stocky cannot remember the part number.

Chris.

 

This is the one I have

VTEC at 100mph in top gear though.

 

BTW I have a spare OEM diff for sale.

 

The differential or housing are not interchangeable only the ring and pinion gear are.

You can use the Kia 4.77 or the Mazda 4.3, 4.44 and the Richmond 4.56 gear.

The Kia and Mazda set run about $450 US and the 4.56 Richmond set is $650 US

A nice upgrade to the gearing is the 4.44 from Mazda, it is not to much like a 4.77 can be and there is little to no whine with this gear.

 

 

[QUOTE=eSeM,Apr 28 2008, 09:17 PM]

 

4.625 final drive link in my sig....

 

I wouldn't mind having it back as a spare.

 

must admit my dif does make a slight wine noise , id be tempted to change it if one came along at the right price !