Topgunz - air to air upgrade

Originally Posted by Kamillio

Just as a personal note, I am running A2A and your kit to prevent slippage. I make only 6.5psi on stock pulleys while I should be making 8psi. The MAP sensor says I'm making 8, but my boost gauge and fuel pressure regulator say I'm making 6.5. The gauge and FPR are teed of the same line that the BOV uses to the Stillen intake manifold. Everything is clamped tight and readings are consistent.


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Originally Posted by overtureZ

You could have a very minor crimp or hard angle in the boost line running to your gauge.