share some expriences of turning VIPER SRT10 with you. It is not a easy turning car actually, i feel very regret about the car, but i still love the 8.3L V10 engine.
Pls dont turn its power too strong, about level 2 OR level 3 is enough, turbo OR super charge reachs level 1 is enough, don't make it at level 3 or above. So, under 650hp is acceptable. The reason of avoiding too strong power is that the suspension is the weak point, level 4 is also suck, but you can only upgrade to it, no more higher level available. Too strong engine power can make you out of track and heavy oversteer happening. So, do more on downforce, i mean use more airdynamic parts to make its tail stable and front swift. As a muscle car, timing can adjust alittle bit left, and suspension turn into very hard. Keep braking pressure in front for stop the impluse from car nose.
Be careful with the car, it requires high skill driver, otherwise, it will drive you crazy!
All above is for Grip use.