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Old 01-17-2013, 05:08 PM   #45
Equilibrium Tuning
NASIOC Vendor
 
Member#: 26933
Join Date: Oct 2002
Chapter/Region: BAIC
Location: Fairfield, CA
Vehicle:
2006 STI
CGM

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Quote:
Originally Posted by pet3r View Post
This is TopSpeed's results, testing the Dom1.5 8cm and 10cm back to back.

The 10cm didn't hurt spool, but gave it a bit more up top in the higher RPM.

I just haven't seen the same results here. Both of those spool about 500-600RPM later than I've seen the 1.5XT's spool here on the 8cm housing. I have seen peak torque at or just before 4000RPM. This being said, I have noticed Blouch turbos to be a bit inconsistent and don't know why. Some spool significantly later than others. This is why I generally prefer the ATP turbos.

Also, the small gains on the top end that are shown on that graph are likely from more aggressive timing. You can see the 10cm graph is not as smooth up there and has a stepped look to it. This is usually indicative of a more aggressive tune that is closer to the knock threshold.

-- Ed
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