Quote:
Originally Posted by zac 3ne2nr
12psi isn't stock. .5ar is which is like ~7psi. all my silvias with stock solenoids ran this and this one still does.
The t28 will take it no probelm, you should though look into, at the very least, an Adj FPR and going to prob 440s and a SAFC. Those are pretty cheap and you will still be ok.
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Maybe your boost solenoid is not functioning properly or wired wrong because factory silvias with boost solenoids are around 11-12 psi stock. The waste gate spring is set at 7psi, this is what you are seeing. So people, stop thinking factory boost levels are at 7psi, you are just running off the waste gate.
S14 T28 turbos reach there max efficiency at around 15psi, but this is not recommended for stock injectors and requires tuning.