OP, are you sure you're running the right OTS tune? It shouldn't have a torque dip like that at all.
Quote:
Originally Posted by 86MLR
E tunes are a compromise which should only be made if you have absolutely no way of getting to a dyno.
I've driven over 2k km round trips to get my car tuned by my preferred tuner, on a dyno.
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There are a number of VERY reputable tuners that get great results without the car ever seeing a dyno... I know of a few that do the vast majority of their tuning, even in person, on the road. Tuning to hit a specific number can be a very dangerous game, people will ignore safety margins just to get an extra couple hp, and it's just not worth it.
Quote:
Originally Posted by PulsarBeeerz
Eh, its not my money they spend so it never concerned me personally.  I mean you could have bought a better car and not had to mod it at all right? It would have been cheaper in the long run, and yet..
Anyway, I think I'll just search for a well known Ecutek tuner in a decent driving range. I've seen a guy with $2600 into his setup between a fancy header, Ecutek e-tune and Flexfuel just to throw down 182hp on the local dynojet when a OFT user with a OTS tune made similar on the same dyno. I'd be pissed. |
You can make a dyno read whatever you want it to... what's important is a few baseline pulls and a few after, ideally in similar weather, on the same dyno with the same settings. The absolute numbers mean nothing if the settings and weather aren't consistent.
Quote:
Originally Posted by PulsarBeeerz
Even E-tunes? Ive seen several people go through many revisions with Ecuteck, to finally hit the dyno with disappointing numbers. Only after getting tuned on a dyno they reached the potential of the mods the car had. It has honesty held me back from making the switch to a Flexfuel Ecutek setup which in its self can run north of $1500. I guess I'm just looking for reassurance. |
Flexfuel is 100% worth it if you're going to run e85. Chances are very good that it's rarely ever actually 85% ethanol, so having the ECA and flex fuel tune properly handle the ethanol content is much better. It's also much more convenient not having to run the tank to empty and reflash every time you want to change fuels.