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What spools faster?? small 16g or Evo 3 16g


OneFastVR4
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Galant VR-4 org Post #: 800376 posted 06/09/09 03:22 PM     Remind Me!  Send Private Message   Edit Post      
I'm not a newbie but this seems like a newbie question. i know that the internals on a Evo are lighter...Thats why i ask...

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RvlutionMtrsport
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Galant VR-4 org Post #: 800387 posted 06/09/09 03:51 PM     Remind Me!  Send Private Message   Edit Post      
I never logged and recorded the difference but I can tell you it's negligible. The power difference is very noticeable though, so I'd go Evo 3 16g all day long.

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OneFastVR4
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Galant VR-4 org Post #: 800391 posted 06/09/09 03:59 PM     Remind Me!  Send Private Message   Edit Post      
Thanx

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chris
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Galant VR-4 org Post #: 800397 posted 06/09/09 04:22 PM     Remind Me!  Send Private Message   Edit Post      
Quoting RvlutionMtrsport:

I never logged and recorded the difference but I can tell you it's negligible. The power difference is very noticeable though, so I'd go Evo 3 16g all day long.




never had a small 16g so i wouldnt know. I just know that i can make a soild 20psi at 3k and soild 25 at 3300 all the way to redline.

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BKatter
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Galant VR-4 org Post #: 800404 posted 06/09/09 04:37 PM     Remind Me!  Send Private Message   Edit Post      
I just replcaed my small 16g with an evo 3 and I can't tell a difference in spool up. The evo 3 definately pulls harder though.

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ktmrider
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Galant VR-4 org Post #: 800451 posted 06/09/09 07:17 PM     Remind Me!  Send Private Message   Edit Post      
^^ +1, for the setup I am running ( 2.5" TB, non-RS FMIC, switch to FP Race mani at same time ) the E3 spools 500rpm sooner and has no boost dropoff at higher RPM's compared to the S16g. This was with both at 17psi.



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Armitage
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Galant VR-4 org Post #: 800656 posted 06/10/09 12:21 PM     Remind Me!  Send Private Message   Edit Post      
What am I doing wrong? I only see 10 psi by 3000rpm on my Evo3!

Maybe the gianormous intercooler is working against me here? Turbo is new, motor is healthy/rebuilt recently.



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mistaVR4
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Galant VR-4 org Post #: 800972 posted 06/11/09 02:50 PM     Remind Me!  Send Private Message   Edit Post      
Sounds like you've got a massive boost leak somewhere bro. Have you tried searching for leaks? Couplers, TB gasket, etc..?



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Armitage
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Galant VR-4 org Post #: 800973 posted 06/11/09 02:53 PM     Remind Me!  Send Private Message   Edit Post      
Quoting mistaVR4:

Sounds like you've got a massive boost leak somewhere bro. Have you tried searching for leaks? Couplers, TB gasket, etc..?




Pressure tested the whole system to 20 psi. No leaks except the usual little one at the throttlebody shaft o-rings.



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Galant VR-4 org Post #: 801101 posted 06/11/09 09:25 PM     Remind Me!  Send Private Message   Edit Post      
^ Car running rich or something maybe? Timing good?



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ktmrider
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Galant VR-4 org Post #: 801129 posted 06/11/09 11:00 PM     Remind Me!  Send Private Message   Edit Post      
Quoting Armitage:

What am I doing wrong? I only see 10 psi by 3000rpm on my Evo3!

Maybe the gianormous intercooler is working against me here? Turbo is new, motor is healthy/rebuilt recently.


Possibly, I don't recognize the IC brand listed in your link. Any idea on the pressure drop?
Bar and plate designs are usually better on pressure drop, ie less than tube/fin, but have lower efficiency.
Also the size of your IC piping can impact things, I am still running stock diameter ( 1 7/8" or 2" ).



Mike O.
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Edited by ktmrider (06/11/09 11:01 PM)

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gsxboost
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Galant VR-4 org Post #: 801165 posted 06/12/09 12:27 AM     Remind Me!  Send Private Message   Edit Post      
The small 16g does spool quicker. I currently have a small 16g on my talon, a big 16g on my Tsi, and i had a evo3 16g on my GSX. The differences in spool times are very very small. A big 16g spools just about as quick as an evo3 16g, but a small 16g spools a little faster. Overall though, like it was already said, the evo3 16g hits and pulls a lot harder. Its much more worth it

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Galant VR-4 org Post #: 801169 posted 06/12/09 12:49 AM     Remind Me!  Send Private Message   Edit Post      
Switch to a smaller core, there was a link floating around about ic's affecting spool time some time ago. Iirc top to bottom flow was the best for spool time.



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Armitage
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Galant VR-4 org Post #: 801191 posted 06/12/09 07:13 AM     Remind Me!  Send Private Message   Edit Post   
Quoting VRausch4:

^ Car running rich or something maybe? Timing good?




Probably running a little rich. I've tuned the partial throttle curves to get the fuel trims as close to 100 as possible. I haven't tuned for WOT yet since replacing the motor/turbo, but have all of the compensations in Jeff's chip for my setup.

Quoting ktmrider:

Possibly, I don't recognize the IC brand listed in your link. Any idea on the pressure drop?
Bar and plate designs are usually better on pressure drop, ie less than tube/fin, but have lower efficiency.
Also the size of your IC piping can impact things, I am still running stock diameter ( 1 7/8" or 2" ).




It's the I/C that was made by AWDNOT2 and later sold as a package a while back with the Dave Brode pipes. I'm using custom hot side pipes (2") and have fitted ETS cold side pipes (2.5") on there now.



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