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Feedback on HPTuners on the Gen2 Vipers?

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Feedback on HPTuners on the Gen2 Vipers?
Old May 31st, 2020, 11:22 PM   #1
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Feedback on HPTuners on the Gen2 Vipers?

I just got my Gen2 GTS last week and already looking into things I'd like to change....I came from the LS world where HPTuners is by far the best tuning option for stock ECU and I was happy to see they offer compatibility with the Gen2 stuff...It sounds like it's fairly limited, but Im looking to see if anyone on here has tried using it yet? Im interested in re-tuning my GTS as well as putting it on e85. Would love to talk with someone who has used it directly on theirs.
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Old June 1st, 2020, 06:20 AM   #2
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BoostedMotorsports, I don't know if he posts much, did it:

https://youtu.be/Xph7kIxkEvM

Link^^^
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Old June 1st, 2020, 10:52 AM   #3
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Originally Posted by 8.0L>1.8T View Post
BoostedMotorsports, I don't know if he posts much, did it:



Link^^^
I watched that one....didn't give a ton of feedback so trying to see if others have. My car is running pretty rich at WOT so I'd like to dial that in a little better....as well as make the e85 switch. I've never used SCT software yet so that has me a little nervous...but I have a ton of GM HPTuners experience so I feel comfortable with it.
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Old June 2nd, 2020, 07:57 AM   #4
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E85 will require different injectors since the stockers are almost maxed as is at WOT....aka 18ms injector duty cycle at 6000rpm with the limit at 21ms. HP tuners or SCT will not support injector scaling for E85 on stock injectors regardless. SCT (definitely) and HPTuner (I believe) still do not support injector scaling simply by inputting your new injector size....you have to physically adjust the MAP vs RPM fueling tables one by one for the larger injector (basically trimming injector ms timing across all 9 fueling tables). Can be done, not fun, and takes some trial and error.
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Old June 2nd, 2020, 08:43 AM   #5
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Originally Posted by EllowViper View Post
E85 will require different injectors since the stockers are almost maxed as is at WOT....aka 18ms injector duty cycle at 6000rpm with the limit at 21ms. HP tuners or SCT will not support injector scaling for E85 on stock injectors regardless. SCT (definitely) and HPTuner (I believe) still do not support injector scaling simply by inputting your new injector size....you have to physically adjust the MAP vs RPM fueling tables one by one for the larger injector (basically trimming injector ms timing across all 9 fueling tables). Can be done, not fun, and takes some trial and error.
I figured I would need at least injectors....was planning on upgrading pumps, lines, regulator, and injectors. Was hoping HPTuners would allow me to scale injectors like it does in GM LS applications which I am used to. I'm assuming my current Paxton setup already has upgraded injectors, but I haven't looked into it enough yet.
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Old June 2nd, 2020, 12:23 PM   #6
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The little * by the product descriptions..."not all features are available on all applications..."is a huge limitation on pretty much all tuning software available on our cars.
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Old June 2nd, 2020, 02:45 PM   #7
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The little * by the product descriptions..."not all features are available on all applications..."is a huge limitation on pretty much all tuning software available on our cars.
Yea that is what sucks.....I'd love to put an AEM Infinity system on it but that's an expensive jump....
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