E85 tuner.
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Driver School Candidate
Joined: Jan 2020
Posts: 3
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From: indiana
E85 tuner.
Found this tuner. Was wondering if anyone has experience with it? I have been doing some reading and have seen a few recalls on the fuel system for my 2007 LS 460. I am not sure if it has ever been addressed.... Either way, I’d like to try out this tuner, but before I pull the trigger, i would like some input from someone that has actually used it, or something like it! Thanks!
Our fuel system really can't handle more than 25% until it starts to lean out due to fuel flow maxing out. I used to put ~5 gallons of E85 in with 91 octane for some extra fun. Not sure if the tuner would add value
Thread Starter
Driver School Candidate
Joined: Jan 2020
Posts: 3
Likes: 0
From: indiana
So from what I read this tuner reads the IAT and adjusts fuel trim from there. So it shouldn’t lean out, but what I don’t understand is how the fuel system knows after the IAT, does it need different injectors? Or will our injectors accommodate accordingly? I’ve never used one, but the description of this product really seems like it will do the trick instead of just shoving e-85 in it and expecting the computer to adjust it.
Correct, Injectors and fuel pump will not handle it. It's not a matter of "tuning", rather what the fuel system can physically handle - this is the same with the majority of cars that don't use some sort of HPFP as seen in an N54 for example.
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