Wastegate Spring ?
Hey Guys,
I purchased what I believe is a 3.63 psi Tial Spring from No Limit Motorsports 2 days ago, upon receipt it's quite larger than the original spring that was in my wastegate. Now here are my questions:
1. The one on the left is the new spring, is that the 10psi spring?
2. Is there any way to determine my old spring (right) by size rather than the color coating because there doesn't seem like there is any.

Thanks guys.
Modified by saxqtzk at 2:46 AM 10/5/2006
I purchased what I believe is a 3.63 psi Tial Spring from No Limit Motorsports 2 days ago, upon receipt it's quite larger than the original spring that was in my wastegate. Now here are my questions:
1. The one on the left is the new spring, is that the 10psi spring?
2. Is there any way to determine my old spring (right) by size rather than the color coating because there doesn't seem like there is any.

Thanks guys.
Modified by saxqtzk at 2:46 AM 10/5/2006
Is that a TiAL wastegate?
edit:
Measure the spring's O.D. and if it's 1.875", then that's the small yellow TiAL spring which yields 3.63psi in a 38/40mm wastegate. This thread has all the TiAL springs listed:
https://honda-tech.com/zerothread?id=857805
edit:
Measure the spring's O.D. and if it's 1.875", then that's the small yellow TiAL spring which yields 3.63psi in a 38/40mm wastegate. This thread has all the TiAL springs listed:
https://honda-tech.com/zerothread?id=857805
Well size of spring doesnt nessesarily determine the seat pressure of the spring, push both down with the same hand, which ever one is hared to bottom out is going to be more pressure. if the smaller spring is harder to push down then its the harder more psi spring,
BTW what is the psi of the smaller spring that was already in the WG
BTW what is the psi of the smaller spring that was already in the WG
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Turbo-LS »</TD></TR><TR><TD CLASS="quote">...BTW what is the psi of the smaller spring that was already in the WG</TD></TR></TABLE>
I have no idea, that's why I bought the replacement. It seems the smaller one has more psi.
One last question, does it matter that if I use the larger spring it seats on the outer circle right before the diaghram seal as the smaller one seated inside the unit? (very hard for me to explain)
I have no idea, that's why I bought the replacement. It seems the smaller one has more psi.
One last question, does it matter that if I use the larger spring it seats on the outer circle right before the diaghram seal as the smaller one seated inside the unit? (very hard for me to explain)
i remember reading that on another forum.
So in the picture, it won't matter the new spring is seated right on the edge?

Here is the original spring placement

And I figure since I'm at it asking questions maybe someone can answer this for me, I bought a t3 turbo and manifold from a seller locally and after really looking at it, I noticed the manifold was modified to fit a d-series engine but some the runners are a little small and cover about 3/4 of the ports on the head. Will this severly effect the performance?
I have a feeling the turbo flange is for a t25 but the turbo was modified to fit it.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by inspyral »</TD></TR><TR><TD CLASS="quote">Measure the spring's O.D. and if it's 1.875", then that's the small yellow TiAL spring which yields 3.63psi in a 38/40mm wastegate. This thread has all the TiAL springs listed:
https://honda-tech.com/zerothread?id=857805</TD></TR></TABLE>
New Tial Spring

Old Spring

Modified by saxqtzk at 10:11 PM 10/1/2006
Modified by saxqtzk at 2:46 AM 10/5/2006
So in the picture, it won't matter the new spring is seated right on the edge?

Here is the original spring placement

And I figure since I'm at it asking questions maybe someone can answer this for me, I bought a t3 turbo and manifold from a seller locally and after really looking at it, I noticed the manifold was modified to fit a d-series engine but some the runners are a little small and cover about 3/4 of the ports on the head. Will this severly effect the performance?
I have a feeling the turbo flange is for a t25 but the turbo was modified to fit it.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by inspyral »</TD></TR><TR><TD CLASS="quote">Measure the spring's O.D. and if it's 1.875", then that's the small yellow TiAL spring which yields 3.63psi in a 38/40mm wastegate. This thread has all the TiAL springs listed:
https://honda-tech.com/zerothread?id=857805</TD></TR></TABLE>
New Tial Spring

Old Spring

Modified by saxqtzk at 10:11 PM 10/1/2006
Modified by saxqtzk at 2:46 AM 10/5/2006
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<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by wantboost »</TD></TR><TR><TD CLASS="quote">that is going to be restrictive, yes</TD></TR></TABLE>
Even if the setup is for low boost, probably around 5-6 psi?
Thanks for answering my questions.
Even if the setup is for low boost, probably around 5-6 psi?
Thanks for answering my questions.
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