Originally Posted by
kellyjones
Hi All
BBR 2 stage boost (switch on dash) 10 psi 270bhp 20 psi 290/300 bhp
Those numbers are a nonsense, if its 290 on 20psi of boost, then its sure as hell not going to be 270 on only 10 IMHO!
Get it down to somewhere you trust and find out what you really have first before you start looking to modifiy it.