I have three different ratios that I use at different tracks! I have a 3.67/1 limited slip that I use at Daytona & Charlotte. A 3.92 welded diff that I use at Road ATL. & Robeling Road (savannah), & a 4.08/1 that I have used for autocross & at Carolina Motor Park in So. Carolina. Haven't been NORTH yet.

__________________
MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
Retired Moderator