I noticed my downpipe is leaking; 2 of the 5 studs fell out so I'm pretty sure that's the culprit. Anyway the only noticeable effect is that boost is very laggy and that my car sounds like a hooptie. Will it still be okay to drive it? I'm putting on a full 3" inch exhaust in a week, so the downpipe will be coming off then anyway. Is it okay to keep driving it until I can get it fixed?

**Also, I tried calling Fast-Turbo to order more studs and they are on back order...any idea where else to find them? I tried NAPA but didn't have any luck.

 

how loose is it?
having it too loose where the hot exhaust gases melting **** could be a problem....

 

It's not loose at all, the two studs that fell out are right next to each other, and they are the ones on the back side of the block.

 

What kind of turbo is it?

I use these in on my T3 turbine:
http://www.atpturbo.com/Mercha...e=FST


I've also used OEM Honda exhaust manifold studs without any problems in the past.

 

^^ Thanks good looking out

 

you should not have lag if your leaking out of your downpipe. it should just be louder. i would double check and make sure there isn't any leaks before the turbo. make sure your head bolts are tight, and your manifold to turbo bolts are tight. ive run 3 of the 5 downpipe bolts and had no leaks, once the manifold to turbo bolt came loose, it leaked like crazy.

 

exactly... a leak after the turbo will only decrease lag.....you are probably leaking B/W the turbo and manifold or the manifold and head

 

a leak in the downpipe will make you run rich. depending on how big the leak is.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mamaboy &raquo;</TD></TR><TR><TD CLASS="quote">a leak in the downpipe will make you run rich. depending on how big the leak is.</TD></TR></TABLE>

if the leak is after the o2 sensor it will cause no change.
if the leak is prior to the o2 sensor you could run rich because some carbon could leak out or some air can leak in. causing an inaqurate o2 readings

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Snail Tuning &raquo;</TD></TR><TR><TD CLASS="quote">you should not have lag if your leaking out of your downpipe. it should just be louder. i would double check and make sure there isn't any leaks before the turbo. make sure your head bolts are tight, and your manifold to turbo bolts are tight. ive run 3 of the 5 downpipe bolts and had no leaks, once the manifold to turbo bolt came loose, it leaked like crazy.

</TD></TR></TABLE>


INCORRECT!

The bolt holes on the exhaust housing for both the 5 bolt flange and the center section go straight through and will allow exhaust to leak out before it passes through the turbine causing serious lag. Inspect a housing and you will see, I have had this problem too. Its no really a downpipe leak but an exhaust housing leak through the downpipe bolt/stud holes. Locktite and lock washers are your friend.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by omahaturbocivic &raquo;</TD></TR><TR><TD CLASS="quote">INCORRECT!

The bolt holes on the exhaust housing for both the 5 bolt flange and the center section go straight through and will allow exhaust to leak out before it passes through the turbine causing serious lag. Inspect a housing and you will see, I have had this problem too. Its no really a downpipe leak but an exhaust housing leak through the downpipe bolt/stud holes. Locktite and lock washers are your friend.</TD></TR></TABLE>

i had the same issue

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Snail Tuning &raquo;</TD></TR><TR><TD CLASS="quote">

if the leak is after the o2 sensor it will cause no change.
if the leak is prior to the o2 sensor you could run rich because some carbon could leak out or some air can leak in. causing an inaqurate o2 readings</TD></TR></TABLE>

yes very true. but the leak is pre o2. just wanted to inform the driver so he won't think its another problem. quick fix get some of that red high temp compound and apply it between your downpipe and turbine housing.

 

when my friends DP was leaking he was expierenceing a lil bit of boost spiking which wasnt normal b4 the leak

 

hey I'm new to this forum, I had a question my 00 Honda civic hatch down pipe has a leak the gasket is completely burnt out I have the replacement anyone know a how to remove the studs so as to replace the gasket thank you.

 

be it turbocharged or NA, you must do this. The "two nut" method.