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Tial 50mm F/S
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As i thought thats the spring that comes with.. theres no way the 9psi spring would hold 40+psi 
im on 27 and am using the 11 psi spring
- 22 and -23 in/Hg Pink -12 Psi (-24 in/Hg )
-18 and -21 in/Hg Un-painted -11 Psi (-22 in/Hg )
- 14 and -17 in/Hg White -9 Psi (-18 in/Hg )
-10 and -13 in/Hg Black -7 Psi (-14 in/Hg )
either way gl with sale

im on 27 and am using the 11 psi spring
- 22 and -23 in/Hg Pink -12 Psi (-24 in/Hg )
-18 and -21 in/Hg Un-painted -11 Psi (-22 in/Hg )
- 14 and -17 in/Hg White -9 Psi (-18 in/Hg )
-10 and -13 in/Hg Black -7 Psi (-14 in/Hg )
either way gl with sale
Thread Starter
Evolved Member
iTrader: (38)
Joined: Oct 2005
Posts: 1,491
Likes: 13
From: Tampa bay area
As i thought thats the spring that comes with.. theres no way the 9psi spring would hold 40+psi 
im on 27 and am using the 11 psi spring
- 22 and -23 in/Hg Pink -12 Psi (-24 in/Hg )
-18 and -21 in/Hg Un-painted -11 Psi (-22 in/Hg )
- 14 and -17 in/Hg White -9 Psi (-18 in/Hg )
-10 and -13 in/Hg Black -7 Psi (-14 in/Hg )

im on 27 and am using the 11 psi spring
- 22 and -23 in/Hg Pink -12 Psi (-24 in/Hg )
-18 and -21 in/Hg Un-painted -11 Psi (-22 in/Hg )
- 14 and -17 in/Hg White -9 Psi (-18 in/Hg )
-10 and -13 in/Hg Black -7 Psi (-14 in/Hg )
As i thought thats the spring that comes with.. theres no way the 9psi spring would hold 40+psi 
im on 27 and am using the 11 psi spring
- 22 and -23 in/Hg Pink -12 Psi (-24 in/Hg )
-18 and -21 in/Hg Un-painted -11 Psi (-22 in/Hg )
- 14 and -17 in/Hg White -9 Psi (-18 in/Hg )
-10 and -13 in/Hg Black -7 Psi (-14 in/Hg )
either way gl with sale

im on 27 and am using the 11 psi spring
- 22 and -23 in/Hg Pink -12 Psi (-24 in/Hg )
-18 and -21 in/Hg Un-painted -11 Psi (-22 in/Hg )
- 14 and -17 in/Hg White -9 Psi (-18 in/Hg )
-10 and -13 in/Hg Black -7 Psi (-14 in/Hg )
either way gl with sale
All the springs hold 50+ psi. when the engine is under boost the spring pressure becomes boost +spring pressure. Example 50 psi + 7psi = 57psi seat pressure.
Choosing springs is more about drive-ability. Most cars drive best with 9psi spring and thats why they supply them that way.
All the springs hold 50+ psi. when the engine is under boost the spring pressure becomes boost +spring pressure. Example 50 psi + 7psi = 57psi seat pressure.
Choosing springs is more about drive-ability. Most cars drive best with 9psi spring and thats why they supply them that way.
Choosing springs is more about drive-ability. Most cars drive best with 9psi spring and thats why they supply them that way.

I also run the 9 PSI spring...

To the OP, is the BOV new? Does it have any scratches? I know someone who is looking for one!
Thread Starter
Evolved Member
iTrader: (38)
Joined: Oct 2005
Posts: 1,491
Likes: 13
From: Tampa bay area
All the springs hold 50+ psi. when the engine is under boost the spring pressure becomes boost +spring pressure. Example 50 psi + 7psi = 57psi seat pressure.
Choosing springs is more about drive-ability. Most cars drive best with 9psi spring and thats why they supply them that way.
Choosing springs is more about drive-ability. Most cars drive best with 9psi spring and thats why they supply them that way.
The BOV was purchased new and was on the car for 106 miles. The bov still looks brand new with zero scratches.


