If any of you are still interested in a GTR wing in QM1 (white) colour.....I have one available for sale. Either send me a PM or email at [email protected]
Cheers
Hi Jeremy,
I can think of three things
1. Yes your boost gauge could be faulty
2. The wastegate spring tension could be worn hence unable to get to the max 7 psi.
3. The turbo could be worn. Maybe the impellars/blades are worn.
My 2c worth