Kyosho Mini-Z Porsche 911 RSR Swap to Nissan 350Z Calsonic SuperGT 2005

I was having traction roll issues on a 90mm RM Porsche, so I converted it to a wider 94mm RM Nissan. Is that enough to fix the traction roll, or will I need to convert it to a 98mm MM or a 102mm LM?