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Old 11-02-2008, 09:25 AM   #192
sutyak
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Join Date: Sep 2004
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Location: Fairmont, WV
What I Drive: Turbo 04 DSG Mach 1

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It's pretty lean right now in general driving.. 14-15 AF and when I stomped it on the non-loaded dyno it did spike lean until the turbo spooled up.
I wouldn't typically stomp on the gas at 2K rpm in 4th gear on the street anyway.

Comparing a FS dyno chart to my own, it has really started to sink in how small this IHI turbo is and how I should have gone with a larger T3 or equivalent.
The FS turbo makes power all the way to redline where mine chokes at 5200 rpm.
If I had to do it again I wouldn't have used this IHI, but I don't regret it either.
Part of me knew it wouldn't make power much past 5500 rpm, but I didn't realize it would drop off quite so quickly afterwards.

07FocusST, with you having a 2.3 I might reconsider the IHI if I were you before you get too far into the project.
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'04 Mach 1. Built. Turbo. 667whp/631wtq
'06 Focus. Built. Turbo. WMI. (sold)
'03 Mach 1 : 12.61 @ 106.59 (sold)

Last edited by sutyak; 11-02-2008 at 10:28 AM.
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