Quote Originally Posted by Strat Fan View Post
Approx 10mm per side,it may just be the combination of this & the 270 tyre ballooning out over the rim which makes it look wider on your old car (just like with the 345 PZero's on the Gp4's).
Here's the actual quoted data:
Original car: Track (front) 56.4" (Super Profile book)
Transformer: (front) 56.3" (Transformer Cars HF 2000 colour A5 brochure)
Original car: (rear) 57.4" (Super Profile book)
Transformer: (rear) 57.5" (Transformer Cars HF 2000 colour A5 brochure)