Im glad this tread is going. Wanted to ask about my boost
Mods on engine.
Rebuilt r1 2k ago, 51mm polished throttle body, ported polished gt inlet, 65mm psd phase1 toothies, 1341cc, pace intercooler with minium bends, lightend & balenced bottom end, psd uprated injectors, sns stage 5 chip, light porting and polished head. Etc. Mine hits 20-21 psi on my digital glow shift gauge, at 7k is that about right.