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244hp, 199tq, 9psi problems...

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Old Aug 8, 2005 | 04:28 PM
  #1  
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244hp, 199tq, 9psi problems...

ok.. dyno tuned today... graph is below.

problems: HUGE boost falloff and turbo lag problems... redline boost was only ~6psi, midrange 9psi. Turbo wasn't spooling full boost till almost 4000RPM, and fell off really badly at 5500RPM...

mods are in sig.
Attached Thumbnails 244hp, 199tq, 9psi problems...-240whp.jpg  
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Old Aug 9, 2005 | 12:45 AM
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Well, it could be your tuning...

What did tune your SAFC to?

Do you have a chart of your AFR?

James
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Old Aug 9, 2005 | 10:53 AM
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I made a thread in the 2nd gen forum about the problems, but thanks

AFR chart isn't really necessary, they were 10.8:1 EVERYWHERE after 5psi.
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Old Aug 9, 2005 | 11:47 AM
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10.8:1.....

Geez, little bit rich?

That could be hurting your boost.

James
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Old Aug 9, 2005 | 11:53 AM
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how new are the plugs?
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Old Aug 10, 2005 | 12:12 AM
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I pulled the plugs and cleaned them the day before, trailings still looked brand new but the leadings are starting to show some wear... maybe 6000 miles on them?

they were in the jspec when I bought it but had NO wear on them at all.
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Old Aug 10, 2005 | 01:25 PM
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You didnt answer the question...

Why did you tune so rich?
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Old Aug 10, 2005 | 03:16 PM
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yeah seriously 10.8 you can't be using all that fuel, your milage must be crap, and your egt's must be insane.
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Old Aug 12, 2005 | 10:52 PM
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/I/ didn't do the tuning

milage seems to be fine, honestly though I don't pay any attention to it.

fixed the boost problems mostly... installed I/C sprayers... maybe I'll add a few more PSI.
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