Just bought 3 97 310g, these are the final strung specs:
All strung with Babolat Synthetic gut.
It wasn't hard to match all three, but I have had a better experience with the 89 Tours, with just a 2g and 4 SW points difference among the 3( 2 had the exact same specs ).
4 Head IG Radical MP - Pacific Poly Force Xtreme @ 47 / 332g / 7 pts HL / SW 325 / TK82S
Gamma X6-FC // Member of 18x20 club