Quote:
Originally Posted by cooper1965
The LTG 2.0 is not designed for high speed runs. They can be detrimental. I typically suggest keeping the 2.0 below 145 MPH... There is an inherent flaw in the PCM logic that leans out the LTG above these speeds... Even with tuning, its almost impossible to correct this flaw, as it is embedded in the hard coding...
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That is why the ATS manual recommends both an additional liter(quart) of oil, as well as running 99 octane or better fuel.
I believe the "flaw" you speak of is a design parameter that requires race fuel for race situations. It also makes the most of the platform for those situations as well.
Would be interesting to see someone do a set of high speed runs and compare high octane fuel compared to 93 octane.
If "427" had his runs with high octane, then he would be within parameters if he followed the manuals requirement of adding an additional liter of oil as well.