Thread: Why is my boost gauge only reading vacuum and no boost?

5-10 psi, idk because your modded. A stock GTP is around 7-8 psi.

With your flow mods and such it will cut down on boost PSI, but you still get the power because it flows better.

Splice the wire into a wire that always gets power when the key is on or buy a TAP A FUSE or ADD A FUSE, thing at a local auto store and use that on you radio fuse.

Originally Posted by Fivefingerdeathpunch

5-10 psi, idk because your modded. A stock GTP is around 7-8 psi.

With your flow mods and such it will cut down on boost PSI, but you still get the power because it flows better.

Splice the wire into a wire that always gets power when the key is on or buy a TAP A FUSE or ADD A FUSE, thing at a local auto store and use that on you radio fuse.

I'm getting around 10 psi :-)

This weekend I'm going to tap it in so that when the lights turn on at night the gauge will also