Quote:
Originally Posted by mrg666
IMHO, aftermarket tune only makes sense in two ways to add any measurable power short of FI: 1. cat delete, 2. E85 mod
I don't want to deal with illegal inspections, driving around with that crazy noise, or lose my fuel efficiency for a fractional gain. I would give up my warranty only for FI.
If you are really racing and need every bit of power, that is another story. I am not racing.
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Crazy noise is subjective (and can simply be tuned around if you're speaking of VVT noise), and fuel efficiency doesn't matter when 1) you're making noticeably more power 2) E85 is far cheaper than premium
But it's OK, we all have our opinions of what something is worth. Back in the early days of these cars a tune was all but required if you didn't want to have DI injector seal failures...
Quote:
Originally Posted by jsimon7777
One other thing. The OFT tunes make noticeably more power with a header than without. The difference between stock versus stock+OFT feels less than the difference between stock+OFT and OFT+header. In other words, I wouldn't get a tune unless you're getting a header too. Also, e85 + header = nice.
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That's ignoring the other drivability improvements. Not to mention E85 on a stock header has quite a gain as well.
Quote:
Originally Posted by Subie_Nubie
Say that too a majority of OFT users who are quite happy with Shiv's OTS tunes.
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MAF scaling is the simplest part of the tuning and you SHOULD be checking it even with a completely stock setup. That's the whole point of the open tunes.