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View Full Version : How can you tell the wastegate spring pressure?


Jeff240sx
05-28-2002, 12:21 AM
I dunno if I posted this, but if I did, then I lost it, and have to post again.
Anyway...
I bought a tial 35mm wastegate via ebay.  From some seller who is the owner of tuneablecompacts, and doesn't list wastegates on his site??  
Anyway, I mentioned that I needed a .3bar spring at most.  I waited a week, didn't get it, waited another week and he said tial was finishing the wastegates, and they would drop ship the gate.  And 2 days later, the gate was at my door.
And on the box, there is no sticker from tuneablecompacts, just tial stickers all over.  
And a sticker with a serial number written by hand, and a line: "Spring: .45 bar" written in hand, in pen.  But then in a different pen, .45 was scribbled out, and a .30 was scribbled over it.  And even the packing invoice says "Wastegate 35mm .3bar (4.35 psi)" on it.  And the guy that I bought it from said it would have a .45 bar spring in it.
I just don't know who to believe.  And if it is .3 bar, why is it so hard to push.
I intend on installing my turbo in 2 weeks, and I just don't want a 6.5 psi spring on my stock fueled car and have to drive around at 2500 rpms for 2 weeks till another paycheck.
So... someone give me some advice.
-Jeff

nismo270r
05-28-2002, 01:49 AM
Well, I don't know much about Tial wastegates, but I know that HKS uses a coloring system for their wastegate springs.  Dependant upon what color you have designates the spring pressure.  If you can get ahold of Tial, I would give them a call.

boosteds14
05-28-2002, 08:46 AM
i could be wrong but if u call tial they can tell you that they only sell a 6.5psi spring and a 12psi spring. but i could be wrong. call them! i never heard of tial selling a 4.3psi spring

Jeff240sx
05-30-2002, 03:09 PM
Well... I called tial and they said that they sell all pressures of springs, and .3 bar is the lowest!  Then they said that the spring in mine was a .3 bar.... so I am really happy.
And the only reason I'm posting this... is so others know that tial sells low pressure springs!  Saved me $40 over another spring, too.
-Jeff

boosteds14
05-31-2002, 08:47 AM
</span><table border="0" align="center" width="95%" cellpadding="3" cellspacing="1"><tr><td>Quote </td></tr><tr><td id="QUOTE">Well... I called tial and they said that they sell all pressures of springs, and .3 bar is the lowest! &nbsp;Then they said that the spring in mine was a .3 bar.... so I am really happy.
And the only reason I'm posting this... is so others know that tial sells low pressure springs! &nbsp;Saved me $40 over another spring, too.
-Jeff</td></tr></table><span id='postcolor'>

hey jeff, i keep on forgetting to ask. WHY do u want such a low pressure spring.? so u can run 4psi? thats nothin.
i thought u are building the motor up. u need to run atleast 20psi <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/tounge.gif" border="0" valign="absmiddle" alt=':p'> ?

Jeff240sx
05-31-2002, 10:44 AM
Hey man... I'll build the motor up... just loan me the $2500 for internals and fuel. &nbsp;LOL! &nbsp;No. &nbsp;I have to run 4 psi right now cuz my car is stock. &nbsp;And my car is broken, so priorities first. &nbsp;I got hit by a car in a parking lot, a hit-and-run, and my insurance won't touch it. &nbsp;Thats $3000 I have to save and spend before college starts. &nbsp;So I figured if I got the turbo on my car, did a manual swap, and fixed the cosmetic damage before I go to school, I'd have a fast(er) manual, nice looking car to show up in Tampa with. &nbsp;And build the motor as I get the $$$.
-Jeff

transient
06-01-2002, 11:20 AM
correct me if i'm wrong, but I thought a stock KA could handle about 6-7 psi on stock fuel systems?

Jeff240sx
06-01-2002, 11:36 AM
No. &nbsp;You're wrong. &nbsp;(Sorry, you said correct you)
Sure, it can be done, but I am talking about everyday dependability here. &nbsp;270cc injectors, threoretically, according to somebody's math will max at 5.xpsi. &nbsp;I don't even want to go there. &nbsp;
-Jeff