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Old 03-06-2019, 02:36 PM   #43
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The thing about the HPFP, it only becomes an issue when you start going lean from commanded AFR. Its a balancing act between Inj duty cycle and fuel pressure. Cooper knows. Safe estimate is 400-420hp If you add meth its higher. I got my LPFP from 52-54 up to 70-75 and it made absolutely no difference in the HPFP psi falling off. So you either need a cam change or new HPFP when you start going lean without meth. Eventually as HP grows, HPFP, LPFP will both need upgrades.
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Old 03-07-2019, 10:24 PM   #44
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Originally Posted by Zzsteve View Post
Just installed our flex kit on an '18, and it works perfectly.

we have had the kit installed the exact same way on a 16 and 17 since last year, and neither work. i took apart the 17 today to double check all of my wiring, and its all correct, it just flat out doesnt do what its told :(
Have you tried swapping an ‘18 e80a into a ‘16? Is that even possible with different service #s?

Last edited by dekes1; 03-07-2019 at 11:46 PM.
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Old 03-13-2019, 02:41 PM   #45
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Have you tried swapping an ‘18 e80a into a ‘16? Is that even possible with different service #s?
^This^
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Old 03-13-2019, 04:03 PM   #46
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Originally Posted by dekes1 View Post
Have you tried swapping an ‘18 e80a into a ‘16? Is that even possible with different service #s?
Different OSs in the 18s.
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Old 03-13-2019, 06:23 PM   #47
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Originally Posted by dekes1 View Post
Have you tried swapping an ‘18 e80a into a ‘16? Is that even possible with different service #s?
There's two different ECU's for the 2016...one discontinued and one that isn't...How to tell the difference other than looking physically I have no clue....However, I also think that the late model ECU could potentially have the support



However, if I can find a salvaged car here locally I'm planning to rip out the ECU and flash it to my car's setup and see if it's a direct plug and play with a reflash.
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Old 03-16-2019, 08:52 PM   #48
dekes1
 
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Originally Posted by DarkFangz1100 View Post
There's two different ECU's for the 2016...one discontinued and one that isn't...How to tell the difference other than looking physically I have no clue....However, I also think that the late model ECU could potentially have the support



However, if I can find a salvaged car here locally I'm planning to rip out the ECU and flash it to my car's setup and see if it's a direct plug and play with a reflash.
Been doing some research and came to the same conclusion you have - there is a new revision of the '16 ECU. Service # 12668437 is the new one.

Fortunately, the things are dime a dozen on fleabay, I bought one for $36 and also bought a 2018 E80A for $65 (only a single # for the '18s - 12687467). Pulling out the MDI and GDS tomorrow when i get a moment and intend to see what I can program. Going to start with the revised '16 first, and see if FlexFuel works, then moving on to hacking in the '18 if not.

Last edited by dekes1; 03-17-2019 at 06:45 PM.
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Old 03-17-2019, 06:55 PM   #49
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I wish I had someone local willing to experiment. I would like to explore swapping PCM's. Although I believe more needs to be looked at on the 16-17 PCM before being certain flex isn't possible. Again, if I had someone local, I could test a few theories:(
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Old 03-19-2019, 02:19 PM   #50
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Originally Posted by cooper1965 View Post
I wish I had someone local willing to experiment. I would like to explore swapping PCM's. Although I believe more needs to be looked at on the 16-17 PCM before being certain flex isn't possible. Again, if I had someone local, I could test a few theories:(
Lol, If I was still in Arkansas I'd come up Always down to make things better for the community
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