Quote:
Originally Posted by 95TA - The Beast
cooper1965, if you are referring to the fact that I called E85 compatibility a hack, sorry but it is.
It was never offered from the factory as a stock option for "flex fuel" on these vehicles. Because of that it is a hacked in place change.
Regardless if there are tables that allow for it, and that the tune "uses" those tables, it doesn't change the fact that GM never decided to offer it as an option. Considering how popular "flex-fuel" is, there has to be a reason, and that probably being that to get the tune 100% buleltproof for this application was unreasonable, otherwise they would have offered it.
This isn't some sort of "guess" it is fact. They did not offer it, period.
Thus I stand by my assessment that it is a "hack", just like meth-injection is a "hack". Anything added after the initial engineering is a matter of concern. Larger turbo, not a "hack" given the fact it was turbocharged from the factory. Modified tune to use a larger turbo, again, not a hack as it is using stock programming.
Now a LOT of tunes are pure "hacks" and not calculated modifications. Again, why lots of people have problems and blow engines.
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You should probably refrain from tagging me. It's beyond clear, you have little to no background on any of the subjects you are referring too, much less, a basic understanding of how this PCM logic works and operates. Not to mention the claim of "Why" GM didn't offer it as a factory option, LOLOLOL.. You probably don't know this "FACT", but I was actually the first LTG in the country tuned in HPTuners by myself, for actual working flex-fuel operations. That was 3 years, and almost 70k miles ago.. I'm still here, stock engine, big turbo, bolt-ons galore, ect ect.. Zero issues.. You can not call something you don't understand a "Hack"...Its that simple.. 85% of this entire threads statements are absurdly in-accurate, yet posters act as though they are VERY adept to the subject matter.. Its almost comical.. Not trying to be rude, as I feel there is always something more to learn everyday in life. Good luck on your build, or lack of..