I would begin looking into removing as much weight from the front end as possible. Every lb you can remove from the front is going to be transfered to the back and aid with traction.
I would also look into something other than a drag radial. I know their softer than a regular radial, but it's still a radial. Look into the MT ET streets or a set of McCreary G60's or L60's.
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91 single turbo vert
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