Thread: Dyno Time
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Old 2013-04-10, 10:14 AM   #11
sperry
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Real Name: Scott
Join Date: Nov 2002
Location: Portland, OR
Posts: 20,335
 
Car: '09 OBXT, '02 WRX, '96 Miata
Class: PDX/TT-6
 
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Quote:
Originally Posted by cody View Post
No idea at all what is typical for your setup, but are your stock injectors holding you back? I know my tuner indicated that my stock injectors are hitting 100% IDC on a cool morning at sea level, which was never an issue at elevation...

I don't think it would be unreasonable for you to get a freer flowing CBE, an MBC (if your tuner is familiar with tuning for them) or an EBC and a retune, if others with your setup see better numbers on that dyno in similar weather. The boost controller won't increase max power, but it makes the car much more responsive (boost response), especially at lower RPMs.
He should have STi injectors at a minimum. Unless the FXT already came with the STi injectors. I was under the impression that the '05 FXT was identical to the '06 WRX in terms of drivetrain, which means he should have some top-feed STi injectors off something like an '07 STi.

Not only would small injectors be a huge limit on power, they'd be a safety issue unless the car's boost was drastically limited to stay away from 100% DC.

And Cory... if you're hitting 100%... get some injectors! Slap a set of deatchwerk 750's in there. It should be a simple rescaling of your injector map and some minor tweaking on-road. Not a major re-tune, since the injector latencies should be identical.
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Last edited by sperry; 2013-04-10 at 11:00 AM.
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