Originally Posted by andy_turbo1987
12 psi is all u can run on a standard chip,u will need a chip if u want to run it over 12psi,i'd also look into the bigger intercooler if i was running any more than 12psi.blown 2 engines before
where did you get 12psi from?
i could only ever run my (non chipped) turbo at 10psi! and in winter it used to over boost and cut out! you must have been a lucky one to run 12psi without a chip!