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APR vs GIAC vs REVO software comparison with datalogs and dyno charts

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Old 02-21-2006, 07:49 AM   #21
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Default It could be your hardware failure that was causing MisFire or flashing CEL. Not just the software

reflash... You can't simply say APR tune caused it.... Perhaps, the IC was not as efficient as we thought and was causing "denotation" under load.... Or it may have been a problem with coilpack..... Could be either or both until you collect data/evidence...
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Old 02-21-2006, 08:02 AM   #22
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Old 02-21-2006, 08:20 AM   #23
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Default Re: Interesting. If I read this correctly...

Not sure how open loop control works in these cars, but it's obvious GIAC isn't hitting it soon enough.

Based on THIS data, APR is the winner, but all kinds of things can happen in testing.

Still, I will be going with APR, this merely solidifies my decision.
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Old 02-21-2006, 08:53 AM   #24
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Default APR 91 vs APR 93?

Thanks for the great write up. I suppose APR 93 would blow away all the others. The GIAC vs Stock is funny -- basically no gains plus they break your cruise control. Nice work!
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Old 02-21-2006, 09:20 AM   #25
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Glad I went with APR!!!
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Old 02-21-2006, 09:37 AM   #26
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Default Listen Dude, if they sale you a piece of hardware and one that controls some of the ECU's...

Functions in timing and boost, they better tell you or at least their dealers how to use some of that critical equipment.

Imagine Boeing or Airbus not telling the pilots how to use the onboard equipment on their airplanes.

I'm sorry to say but from what I see in the data logging and the dyno runs, the APR software is the best one here at this time.
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Old 02-21-2006, 09:50 AM   #27
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Default what do you just dream this stuff up? they've sold only one file and have recently built the 2nd

and from seeing the dynos myself, they do differ in power.
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Old 02-21-2006, 09:51 AM   #28
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Default If you have an early 2.0T, why not just throw down the $200 for the bigger pump?

even if you have other's software, i'd want the bigger pump
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Old 02-21-2006, 09:54 AM   #29
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Default Please tell me the last time Giac built a chip where he forgot to up the boost!

i'm not saying it was your fault, but the flash looks like you still have the stock set up. in almost any EC mag shootout, his cars dyno highest. there's something wrong with this dyno and it ain't his tuning. i have a fwd 6spd stick that only has the mellow file..........it spins thru 2nd now! stock did not.
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Old 02-21-2006, 10:24 AM   #30
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Dealer error, not REVO's. Not hard to differentiate between the two.
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Old 02-21-2006, 10:39 AM   #31
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Default It's not bigger, nor does it really flow better.

Hitachi specs the pumps as being the same. APR, REVO and every other tuner has no issues with the "B" pump. GIAC feels differently.

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Old 02-21-2006, 12:54 PM   #32
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Default Not after 5000rpm. The boost tapers quick in that revo program...

You see there is very little boost after 5000rpm where the hp drops off. There is timing retard happening in that area with little boost. I agree I might try a setting 2, but no more than that. Perhaps runnnnig more fuel in that area would allow a cooler cylinder and more timing. cheers! Mike
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Old 02-21-2006, 01:54 PM   #33
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Default Wow!! Outstanding work parks853...it merely confirms my decision as well...

The BBQ can't get here fast enough.

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;-)

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Old 02-21-2006, 01:57 PM   #34
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Default Great Job Parks, You ought to post a Paypal Acct for voluntary contributions...

to help defray some of your obvious expenses in providing such a comprehensive review. I would expect many AW'ers would be willing to throw in $5 or $10.
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Old 02-21-2006, 02:12 PM   #35
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and 3rd.
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Over 323whp and 312tq on pump 93
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Old 02-21-2006, 02:27 PM   #36
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Default I've heard its a bit more than $200, but I am thinking about it...would be about 2psi gain.

from what I've heard.
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Old 02-21-2006, 02:29 PM   #37
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2nd
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Old 02-21-2006, 02:45 PM   #38
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Default Ask GIAC not me.. I tested what they gave me.. if you think vivids dyno is **** call them not me.

Anders from EVO MS called me and wanted me to load a different file before I visited the dyno. He originaly said it takes atleast a week for the ECU to adapt, but he wanted me to load the new software (that is not even public) 10miles and 15 minutes before I dynoed.
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Old 02-21-2006, 02:49 PM   #39
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Y.. the B preformed great!
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Old 02-21-2006, 02:50 PM   #40
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as of today they only have one public release.
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