Originally Posted by
Stu @ M Developments
Same here on our 320bhp conversion for the Fiesta 1.6 Ecoboost.
Radom call from Tuner X.
"Hi Stu... we cant get more than 260bhp. What boost, spark advance and torque profile are you using? Are you desensitising the engine roughness tables? How do you get round the 1.6bar boost limits?"
Id be too embarassed to ask somethingh like that!

He will also tell his customers how great he is and how crap you are

this seems to be standard practice with most tuners
Mark