psi level

ok all you guys that know me, knows that i don't really know too much of anything about my car. However I am learning and am loving it.

anyway my question is about 3 weeks ago on the stock turbo i noticed i was getting about 14 psi on the T-25 turbo but now all of a sudden i'm only topping at about 10. If its boost leek how do i go about finding out how i'm getting it

thanks guys

Boost leak test. Vfaq.com > Intake > Intake leak testor.

or you can buy a boost leak test, that came with a gauge, that tell you how many psi your are pump, so you dont have to run around, and look at your boost gauge, or tell your mom sit in the car, and watch the boost gauge for you, I told my mom sit in the car and I adjust the biss crew, so she can watch the rpm drop :grinyes: .

Boost leak test. Vfaq.com > Intake > Intake leak testor.

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I am doing the same thing right now....

is stock psi suposed to be 14 or 10?

anywhere inbetween, 14 is normal though, that's where I was.

14 psi , a couple months ago, when i was in CA smoking some civics, the hose that goes from the IM to the BOV came off and i was only boosting 10psi, so that could be your problem.

well thats what is happening to me but everything seems secure and tight

this is a really noobish question but could it have something to do with my boost gauge, like the line not screwed in tight enough or whatever?

IIRC, the stock 2g's run 14, while the stock 1gs run 10.5.

well thats what is happening to me but everything seems secure and tight

this is a really noobish question but could it have something to do with my boost gauge, like the line not screwed in tight enough or whatever?

It's possible. If you're using the really crappy nylon tube that comes with most boost gauges, they kink really easy, and tear holes. Autometer sells a copper tube for 15 bucks, well worth it.

It's possible. If you're using the really crappy nylon tube that comes with most boost gauges, they kink really easy, and tear holes. Autometer sells a copper tube for 15 bucks, well worth it.

so i could have a link/kink through my boost gauge and that could be screwing with my boost?

so i could have a link/kink through my boost gauge and that could be screwing with my boost?

I did. The nylon hose kinked and punched a hole through it giving me bad boost readings. Mine happened to kink inside the cabin so I could hear the hissing.

I did. The nylon hose kinked and punched a hole through it giving me bad boost readings. Mine happened to kink inside the cabin so I could hear the hissing.

i'll check into that, thx

Hey thanks alot crunchymilk55, that was the problem, its reading 15 again. So i was prolly getting 15 the whole time, the gauge was just reading 10 then?

did that make me lose power?

Hey thanks alot crunchymilk55, that was the problem, its reading 15 again. So i was prolly getting 15 the whole time, the gauge was just reading 10 then?

did that make me lose power?


yep, it's a minor boost leak, but still a boost leak. I'm glad you got to it before you started tinkering with other stuff. They sell that autometer copper tubing kit at Oreily's for 15 bucks. Your welcome.

Hey thanks alot crunchymilk55, that was the problem, its reading 15 again. So i was prolly getting 15 the whole time, the gauge was just reading 10 then?

did that make me lose power?

You won't lose much power from a leak this small. The bigger danger would be turning up the boost to get it back to 15 psi, when it will really be over 20. Luckily the T25 wouldn't have let you do that anyway :icon16: