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Old 07-19-2012, 02:27 PM   #18
Scooby Guru
Member#: 82745
Join Date: Mar 2005
Chapter/Region: SCIC
Location: So Cal
2005 Subaru STI
2003 EJ207 S204 Wagon


Originally Posted by HSBabyFace View Post
How did you arrive at that conclusion?
People are making good power with the VF52 on pump, along the same lines (in some cases better) as the 1.5xtr on pump. Which the OP graphs also re-affirms. With that being said, the 1.5xtr will excel with higher octane gas.

If I was concerned about spool and running the car on pump. I would have went with a different turbo.

Originally Posted by bswilmington View Post
...Dom 1.5 is has same compressor wheel as Dom 2.5 at 71mm, only difference is turbine wheel is 56.5mm on the Dom 1.5 and 60mm on the Dom 2.5. Difference between two should be spool.
False. The 2.5xtr will make more mid to top power than the 1.5xtr, both on pump and on better gas. True on the 1.5 spooling quicker.
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Last edited by Fierysun; 07-19-2012 at 02:33 PM.
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