Thread: boost gauge question

i tried another spot, tapped into mine right under the snout but still have to try another spot its now reading PSI but only like 3-4

Originally Posted by gtpeddie

i tried another spot, tapped into mine right under the snout but still have to try another spot its now reading PSI but only like 3-4

Is it the stock S/C pulley? It will read like 5-6 at least mine did.

When I was S/C I t'd mine right below the snout and never had an issue. The vac side at idle should be reading -18 to -20