so i have a bone stock b18a with 50k on stock rebuild. i have kooks ramhorn with a t3/to4e .60 a/r intake side .63 a/r hotside. 2 1/2 dp and exhaust no cat. i'm running 14 psi i'm not starting to spool till 4500 and not reaching full boost till 6000 - 6500. trying to figure out y the late spool anyone have any ideas thanks for any help

 

bump for the first min that and i'm really drnk lol

 

bump need some help here

 

Check all of your connections on the charge piping and also make sure there aren't any leaks pre-turbo.


There was definitely something causing that turbo to spool slow, just couldn't put my finger on it.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 93turbo16 &raquo;</TD></TR><TR><TD CLASS="quote">Check all of your connections on the charge piping and also make sure there aren't any leaks pre-turbo.


There was definitely something causing that turbo to spool slow, just couldn't put my finger on it.</TD></TR></TABLE>

def check for boost leaks. that will result in very slow spool time.

 

internal or external wastegate? maybe it's leaking?

 

sounds like pre turbo leaks. check to make sure the wastegate is hanging open and that your turbo&gt;manifold gasket isnt leaking. ive had similar problems.

 

got some new couplers and clamps for the ic piping. also noticed that it looks like the wastegate was leaking on the backside going to oreder some new gaskets. hopefully that was my problem i keep this updated thanks for the help so far

 

you would be suprised how much a small exhaust leak will affect spool. if its leaking pre-wastegte thats very likely the problem

 

new gaskets in no leaks now but still slow spool

 

does it spool any faster? how big is your exhaust, or small rather..........

 

didnt catch the 2.5 exhaust at first, only thought that was downpipe on maybe stock exhaust.....how much boost are you running on the spring on the wastegate? and how much shows on the boost gauge?

 

Go over all your couplers and make sure it's clamp down tight. Check couples for any wear on them. It's a boost leak somewhere. Check your manifold too.

 

pulling the manifold checking for cracks going to put a new gasket on. but i keep checking and double checking starting to think its the turbo will post up later if new exhaust manifold gasket doesn't work.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by young noob &raquo;</TD></TR><TR><TD CLASS="quote">didnt catch the 2.5 exhaust at first, only thought that was downpipe on maybe stock exhaust.....how much boost are you running on the spring on the wastegate? and how much shows on the boost gauge?</TD></TR></TABLE>
running 14 psi on the spring and showing 14 inside on the gauge going to post dyno graph tonight

 

bump

 

make one of these

http://www.vfaq.com/mods/ICtester.html

 

anyone else try this ? going to see if i can find some leaks

 

prolly bkuz u have a big turbo and ur tryin to get alot of psi out of it on a stock motor in a low gear, thats prolly not going to work out too well maybe.........?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by batboyvaj &raquo;</TD></TR><TR><TD CLASS="quote">make one of these

http://www.vfaq.com/mods/ICtester.html</TD></TR></TABLE>

okay made one of these the flang for the bov is leaking pretty good around it. couldn't even build 1 psi with it leaking using a bike pump.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by EKlscoupe_98 &raquo;</TD></TR><TR><TD CLASS="quote">

okay made one of these the flang for the bov is leaking pretty good around it. couldn't even build 1 psi with it leaking using a bike pump.</TD></TR></TABLE>

Found your problem.

 

lets see i'm still spooling late i've haven't been driving due too i want to get all the leaks taken care of. so far the the places i found leaks are the weld around bov, the bov itself, my iat sensor, a hole in one of the couplers.

 

your intercoolermight have aleak in it

 

you need something to pump air a little quicker to find you leak. try to get a air compressor to pump air in faster to help find your leak

 

going to get a portable air tank tomorrow sometime. i'm going to find them all idc what it takes.

 

With all those leaks you're almost just as well off to start it all over again

Keep on them and that is your problem for sure. You should see full boost on that thing by 5500 or less by the end of it.