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Old 03-02-2010, 04:24 PM   #51
Phatron
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Join Date: Apr 2003
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Quote:
Originally Posted by Equilibrium Tuning View Post
Maybe it was tuned with the IAM at .5
do you send cars out like that though? With the ability to add double the advance....plus the advance additive wasnt zero'd.....

I dont think i could let a car leave if it had the possibility of adding 9-12* of timing after it left from the tune.
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Old 03-02-2010, 04:39 PM   #52
Equilibrium Tuning
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Member#: 26933
Join Date: Oct 2002
Chapter/Region: BAIC
Location: Fairfield, CA
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2006 STI
CGM

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Quote:
Originally Posted by Phatron View Post
do you send cars out like that though? With the ability to add double the advance....plus the advance additive wasnt zero'd.....

I dont think i could let a car leave if it had the possibility of adding 9-12* of timing after it left from the tune.
No I certainly would never leave a car like that, but that doesn't mean someone else wouldn't.

I generally tune with the IAM maxxed out so that my tune defines a ceiling for advance. I personally never liked the idea of using a basic knock sensor as the only feedback for a complex adaptive ignition learning system. Using that system as a backup/failsafe is great, but relying on it to essentially set the entire ignition curve gets pretty dangerous when you're pushing the kinds of boost and power levels that most of these tuned cars do.

Now if we had something like a cylinder pressure sensor or even an octane sensor (don't believe this exists currently), then such a system could be quite useful and a more dynamic ignition approach would be viable.

-- Ed
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Old 03-02-2010, 04:45 PM   #53
Equilibrium Tuning
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Originally Posted by STi Mikey View Post
LOL... 31 degrees of timing on 91 though

I think the highest vf timing I have seen on 91 pump is your own, with 27.5 at redline.
I've actually seen a handful of 04's and a few 05 STI's that could run 30-31 degrees right at 7k RPM. It took some fuel and a healthy boost taper to do it, but they would run the timing consistently without knock. I find that 06 STI's generally take 2-3* less by red line and the 07+ usually take even less. The later years tend to make about the same power with less advance, so I'm assuming there have been some improvements in VE or possibly just in the way the ECU references or calculates the advance. It would be interesting to put a timing light on the different years to see if they're consistent.

Thanks
-- Ed
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Old 03-10-2010, 09:34 PM   #54
downsti
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Woot Woot

CONGRATS brother.

well deserve,

i have a new car to chase lol
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Old 03-10-2010, 10:32 PM   #55
thorne
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Originally Posted by Dirty25RS View Post
Very impressive results!

I'm assuming you are using a factory ECU?

How is cold starting? Is this daily drivable?

My Evo is Tim Switzer tuned on E85 but i dont consider it daily drivable. I'm considering converting my STi over but its gotta be daily driveable
Is your evo radical? I daily drive E85 at high boost levels
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Old 03-10-2010, 11:13 PM   #56
synolimit
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335HP, 394TQ, 93 VF52!!

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Quote:
Originally Posted by Equilibrium Tuning View Post
I've actually seen a handful of 04's and a few 05 STI's that could run 30-31 degrees right at 7k RPM. It took some fuel and a healthy boost taper to do it, but they would run the timing consistently without knock. I find that 06 STI's generally take 2-3* less by red line and the 07+ usually take even less. The later years tend to make about the same power with less advance, so I'm assuming there have been some improvements in VE or possibly just in the way the ECU references or calculates the advance. It would be interesting to put a timing light on the different years to see if they're consistent.

Thanks
-- Ed
so whats the likely case for an 09 that could only do 18 degrees when the norm seems to be 20? my car was done with a tactrix cable and idk what, romraider or something. im guessing the knock being seen was from the stock knock sensor. above 5k or so is when we saw it
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Old 03-11-2010, 03:29 PM   #57
STi Mikey
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Hey E85 WRX,

any updates or track times??

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Old 03-11-2010, 03:32 PM   #58
juanmedina
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07 FPgreen 7.37@95
WRX VF39+E85 12.0, 121mph

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It needs a new thread, I feel like crying now
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Old 03-11-2010, 03:39 PM   #59
E85 WRX
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lol. geez
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