is there anything to be gained w/ fuel tuning on s5 na stock ports?
04-28-11, 03:50 PM
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is there anything to be gained w/ fuel tuning on s5 na stock ports?
Is there anything to be gained w/ fuel tuning on an s5 na stock ports? If so do you need an aftermarket ecu? What kind?
04-30-11, 10:37 AM
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Yes, there are gains as the stock map is quite rich. But you need to decide whether it is worth the trouble.
The easiest way would be to use an S-AFC. You'll spend anywhere from $100 (used) to $400 on one. It then needs to be installed and configured.
You'll also need some method to monitor A/F ratios. I suggest a wideband as they are easy to use. So there's another $300 or so.
Then, you need to book at least an hour on the dyno (for another $150 or whatever).
You will improve the car if tuned right, but don't expect a massive top end gain. Mainly you'll improve midrange and fuel economy. You'll need supporting mods to make the most of this (intake, exhaust).
A full standalone is another story. It will allow you to tune every aspect of the car. However, you'll be into the standalone install for at least $1000 and then another 20 hours to tune the car. On the plus side, a full standalone means that you are wide open for upgrades like forced induction.
The easiest way would be to use an S-AFC. You'll spend anywhere from $100 (used) to $400 on one. It then needs to be installed and configured.
You'll also need some method to monitor A/F ratios. I suggest a wideband as they are easy to use. So there's another $300 or so.
Then, you need to book at least an hour on the dyno (for another $150 or whatever).
You will improve the car if tuned right, but don't expect a massive top end gain. Mainly you'll improve midrange and fuel economy. You'll need supporting mods to make the most of this (intake, exhaust).
A full standalone is another story. It will allow you to tune every aspect of the car. However, you'll be into the standalone install for at least $1000 and then another 20 hours to tune the car. On the plus side, a full standalone means that you are wide open for upgrades like forced induction.
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