fro

i just got my car back together last week and i now i have a problem with my boost. it wont boost over 4 psi and i was wonering if anybody had an idea. i think it might be a small leak somewhere. i double checked all the vacum hoses and all the lines coming to and from the turbo and there all fine. i was just wondering if anybody had an idea on what it could be.

Evanmb44

what wastegate spring are you running and are you running a boost controller. need to give some more information in order to help you out

fro

i am running a 9 pound spring and no boost controller

beepy

How is the spool rate? Same as before or slower?

Probably a boost leak.

B18C1CYA

could be a exhaust leak b4 the turbo , or boost leak in the charge pipes

fro

thats what i am hoping for is that is a charge pipe. but i will look at it later tonite after i get off of work.

PrettyLude

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by B18C1CYA &raquo;</TD></TR><TR><TD CLASS="quote">could be a exhaust leak b4 the turbo , or boost leak in the charge pipes </TD></TR></TABLE>

fro

fixed it it was a boost leak in the charge pipe

Beau Gotti

are you running a FMU, and what injectors do you have, my buddy had a 6:1 FMU, and stock injectors and had the same problem

PrecisionH23a

Is the car popping around 4500-5000rpms?

It could be you are using the wrong plugs that are not gapped properly.

TA Performance

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by fro &raquo;</TD></TR><TR><TD CLASS="quote">fixed it it was a boost leak in the charge pipe</TD></TR></TABLE>


Where or which charge pipe was it? cuz im only hitting 5psi and i have a 10psi spring! so i have same problem, it might be loose in the same area

fro

its actually a tear in the connecting piece from the trubo to the charge pipe so i have to replace it. it still does it sometimes it will boost and sometimes it doesn't. but i also think that it might be my waste gate because i dont hear it open at all.

TA Performance

same here

fro

now that i got my charge pipe fixed now i have anothe problem. i have a 9 psi spring but i will go past that and i dont have a boost controller can anybody tell me why this is happening

EJ1 wilcox

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by fro &raquo;</TD></TR><TR><TD CLASS="quote">now that i got my charge pipe fixed now i have anothe problem. i have a 9 psi spring but i will go past that and i dont have a boost controller can anybody tell me why this is happening</TD></TR></TABLE>

So, you are over boosting? How much? Is it just spiking or holding steady at a higher boost level?

I would be careful if I were you... overboosting can be the end of your motor

fro

im not for sure what it goes to but it was at 11psi and i backed off the gas. so i dont know if it stops there or keeps going.

Built B16A

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by fro &raquo;</TD></TR><TR><TD CLASS="quote">im not for sure what it goes to but it was at 11psi and i backed off the gas. so i dont know if it stops there or keeps going.</TD></TR></TABLE>

on a FMU...

EJ1 wilcox

Maybe your wastegate is stuck or something... is it internal or external?

5litereater

wastegate is probably stuck. my buddy's t25 on his sr20 was doing the same thing.

fro

i will check my wastegate tonite after work its an external wastegate and im runnuing a vafc. is it possible that the spring broke.

stackz

I bet it's fun though

fro

yeah its pretty crazy but im scared to blow my motor.

EJ1 wilcox

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by fro &raquo;</TD></TR><TR><TD CLASS="quote">i will check my wastegate tonite after work its an external wastegate and im runnuing a vafc. is it possible that the spring broke.</TD></TR></TABLE>

I don't see how the spring could break but I would inspect the wastegate to make sure it's working properly...

Hyaboosta

might be sticking. Do you have a vac line connected to the top barb fitting of the wastegate?

fro

yeah