User blog comment:Mr. Mysterious Spyman/(Repost) Multiplayer Cars List (T&T)/@comment-120.188.87.94-20171229153157/@comment-27736210-20171230073323

The Porsche 959 was ruined in Multiplayer by the SLK SE at higher ranks.

0500 0000 is a non-optimal tune. Your best chance of success is to upgrade nitro by a few levels.

Try not to exceed rank 950. If you tune to 0505 0000, you can get a rank near 940 and decent speed.