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Old 01-31-2006, 03:18 PM   #1
FederalAuditor
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Default To tune.. or not to tune. EJ25 hybrid question

I've been running my (STI3/2.5) hybrid for a few months now. Everything is STI3 with the exception of the shortblock. It is currently running off of the JDM computer and is running as expected... like a champ. There haven't been any upgrades to the motor as of yet, and it's running an OEM version 5 Turboback exhaust, VF23, 440 injectors, catless uppipe.. All standard ish. The only thing worth mentioning that might be out of the ordinary is the Cometic head gasket. I can't for the life of me remember how thick it is... or what compression I'm running.

*Big shout out to PlanetMotorsport.com goes here* If you haven't already heard about them... you will. From Hybrid conversions, to cats out of hats.. these guys work magic.

My question is simple: Would it be worth getting the car dyno tuned AS IS? What kind of gains could I expect to see? I know I know... "get your exhaust done before you tune," "Upgrade your turbo first," etc etc etc. Perhaps at some point down the road I'll do all that... in fact all of that was inclued in the plan when I initially started this project... but for now, I can live without the droning of a 3" and the lag of anything bigger than my VF23. I can't help but think a standalone computer would be able to pull a few more ponies out of my setup, while giving me a little more peace of mind by knowing exactly what's going internally.

I suppose I should mention that I've got a Apex'I Standalone collecting dust at home.

Yay or Nay to a dynotune?
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Old 01-31-2006, 03:25 PM   #2
hondaeater69
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Yay. Standalone or ECutek flash FTW.
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Old 02-01-2006, 11:03 AM   #3
FederalAuditor
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Unfortunately, there is no ECUtek support for my ECU... well, since the last time I checked. In fact, finding anything for custom EM was tough for this particular motor... the PowerFC was the only thing that was relatively plug and play.

Anyone else want dish out $0.02?
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Old 02-07-2006, 04:15 PM   #4
FederalAuditor
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Nobody at all? =(
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Old 02-07-2006, 05:06 PM   #5
bboy
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It's always worth tuning. I just don't know how you can tune your car with that ECU.
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Old 02-09-2006, 12:55 PM   #6
FederalAuditor
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Quote:
Originally Posted by bboy
It's always worth tuning. I just don't know how you can tune your car with that ECU.
A lot of people have told me that its worth it... but most of them come from the good ol' detuned USDM WRX ECU family. I was under the impression that the JDM STI's weren't quite as dulled down (tuning wise) as their American counterparts. Is this not true?

At the end of my long convoluted initial post... I said that I had a PowerFC that hasn't yet been installed. Short of a full wired in Motec/Haltec/BreakMyBank standalone EMS, this was pretty much my only option.

I just ordered a FMIC to go with the setup... I'm guessing this will make a few people lean towards "yay?"
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