2017 Sierra SLE 5.3 back from tune

[Malibu SS]

Just a quick question.  Do you still have a stainless  steel fuel line if you are not E-85 compatable??

[Keith 256]

On 12/14/2018 at 5:52 PM, pronstar said:

Dynos are all different, and extrapolating gains from a single number are meaningless. Especially when trying to compare power at the crank versus wheels.

The only way to tell what your gains are, requires a baseline pull with no mods.


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You need to look at gm numbers on using e85 . Obviously you haven’t done your research on e85 . I suggest you read on performance hp etc before you start telling others that numbers don’t mean anything.