Need Tuning Advice

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1

OK, so I (try to) tune all my own vehicles and I recently started using the ForzaTune Calculator; which works pretty well. The problem I have is with a few select RWD vehicles; I can’t keep the rear end from fish-tailing. I’m drifting when I don’t want to. I’ve even tried turning on Traction Control with little help. Although this happens with several vehicles, the two that stand out right now are the Pontiac Solstice (B Class) and the Ferrari 250 GT Berlinetta (C Class). You can tell by the Classes that these aren’t rocket racers…

So, is there any Tuning I can do to help control the rear end, or do I have to re-build the vehicles from scratch? (Both are built to favor power over grip.)

2

it could be the build if you have to small of tire for the horsepower.
rwd requires a soft throttle on corner exit wait before going full throttle, staying in 3rd or 4th gear until completely out of the corner helps.
try different diff settings, also just like you can effectively decrease stopping distance by shift spring rates from front to rear, this shifting of spring weight effects acceleration grip too.

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Thank you XCELRATE, I think your recommendation of wider tires helped a lot. I also switched to QuickTune which I think assisted as well.

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