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Old 11-21-2005, 01:35 PM   #1
pictureboy
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Default Street Tuner vs protune vs Ecutek ???'s

I know a lot of folks will say this is entirely up to me and what I want to do with the car but I am still interested in hearing from anyone with some experience with the choices I am looking at.

I have a Cobb AP running stage 2 and am interested in taking the car a little further. As I see it my choices are as follows:
1) Ditch the Cobb altogether and get an ecutek tune
2) Keep the AP and get a protune
3) Get Street Tuner so I can tune now and for future mods

Obviously choice number 3 makes the most sense if I am going to be modding later, but I have never worked with tuning software and am a little hesitant and worry that I'll just manage to screw up my car. I am pretty technically savvy and have the ability to read and follow directions, but tuning is new to me. Can anyone out there with the Street Tuner software offer and advice? Were you already experienced with tuning? A noob? How did it work out for you? Do you need a wideband to tune it right or can you tweak without it?

Thanks for any thoughts you can offer!
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Old 11-21-2005, 01:47 PM   #2
hondaeater69
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without the tuning experience, i would stay away from 3. I don't see the point in ditching the ap to go ecutek, just keep the ap and get a protune. In the future, if you start modding, just get all your mods on at once, then go get a new tune so you don't have to keep getting retuned.
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Old 11-21-2005, 02:11 PM   #3
mcowger
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Why? If he wants to learn, ST is a great option.

I have never tuned a car in my life. Bought ST. Starting slow, but already making decent power. I'm no expert, but I've learned my way around what the car can and cannot do with ST. You REALLY ought to have the wideband.
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Old 11-21-2005, 02:27 PM   #4
hondaeater69
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ST is a great way to learn how to tune, so i guess it boils down to: do you REALLY have the deep burning desire to learn how to tune? If you do, spend the extra ~800$ on a WB+ST setup. Don't do it thinking you're going to save money, do it to learn about your car.

If you don't really care too much about learning how to tune, just get the protune.
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Old 11-22-2005, 09:57 AM   #5
pictureboy
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Actually I am quite interested in learning how to tune my car. Is the Street Tuner a fairly straightforward tuning tool? Does anyone have any suggested reading material on tuning basics? I am a huge fan of research, research, research then do.
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Old 11-23-2005, 12:51 PM   #6
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i would start with How to Tune and Modify EMS's, i think jeff hartman was the fellow who wrote it. lots of great info with real world tuning situations. Corky bell's book on how to build a turbo charger system is a good read too. I would start there (with hartmans book first). You can also gain TONS of insight hanging around tuners.
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Old 11-23-2005, 12:59 PM   #7
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Maximum Boost by Corky Bell
Forced Induction Performance by A. Graham Bell

Good background books. Both are on Amazon. Both are a bit outdated. Corky Bell tends to prothesize a lot and bashes techniques that are considered more acceptable now (like WI), and spends a lot of time talking about carbueration. Still a great read. Lot of simple math examples for calculating turbo system design.

The Bell books talks about the whole engine, top to bottom, including manifold design, head design, squish clearance, etc. Great book! Bell has several other books, but most of it is the same. You just need this one from him.

There are some UTEC tuning guides out there that are good reading even if you are tuning something else. They have good guidelines for the Subaru engine, suggestions on where to start, things to watch out for, etc.

You'll need a wideband and something to monitor knock at a minimum. EGT is a plus.
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Old 11-25-2005, 05:47 PM   #8
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Excellent! Thank you all very much for your input. Now it's time to visit Amazon!
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Old 11-25-2005, 07:29 PM   #9
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Also, "Turbochargers" by Hugh MacInnes is a good book.
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