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Old 06-10-2016, 11:08 PM   #11
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It's a combination of things that make it wrong--too big an injector, stock mapping, 2.0 displacement, E85, etc. I could go back to RS' 280cc injectors and it would run fine.

What we're about to see next week is some new tuning software in action to fix it. I like what I see and it looks like a good solution at an affordable price. The car will need 440s for the 7k redline on E85.

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Old 06-11-2016, 02:26 AM   #12
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I'm very curious about this, mainly where did you get the dual throttle from. That setup is VERY cool.
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Old 06-11-2016, 10:55 AM   #13
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An adapter plate? It's 2 RS TB's per above
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Old 06-11-2016, 11:34 AM   #14
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Quote:
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An adapter plate? It's 2 RS TB's per above
Ah okay, that makes sense. That is sweet. Now I'm wondering how much it'll cost me to have a plate like that fabbed.
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Old 06-11-2016, 02:25 PM   #15
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Your car will use the most fuel at peak torque. If you put 370s in it you should be fine on e85 and it will run like stock
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Old 06-12-2016, 10:36 AM   #16
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Your car will use the most fuel at peak torque. If you put 370s in it you should be fine on e85 and it will run like stock
Quite possible. I do agree with that. I always thought 440s were a little big on these cars for n/a, but not by much.

However, I already had the 440s. The new tuning software and dongle will be here in a few days. The system is robust and still simple. I like what I see. There's no extra wiring and even a live tuning option. There's no wastegate mapping. No MAF to rescale. It is as bare bones as it has to be and still focused on the important stuff.

These injectors aren't grossly oversized, so dialing them in should be pretty straight forward. We are confident within our visions that this will work out, on E85 and gas both. I'll post updates and videos in a few days.

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Old 06-12-2016, 02:35 PM   #17
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Scaling injectors is pretty easy. Latencys can be tricky. Biggest thing would be adjusting cranking and tip in stuff thats in milliseconds of pulse width and not effected by scaling. But with 440s it should still be ok and the extra fuel would help e85 cold starts anyway
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Old 06-21-2016, 12:52 PM   #18
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Old 06-21-2016, 01:27 PM   #19
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Quick update. I've been puttering with the ECU learning the ProjectLambda software. So far, so good. I'm learning its basics and whittling away at the mapping. It's a little more like speaking "computer-eze" than speaking "tuner". We've achieved a good idle and cruise with decent power. There is more to do with ironing out the AFR and cleaning up the corners of the maps.

It's a helpful tip to have a charger attached to your batter when reflashing. You must have a minimum voltage present for the reflash process to take effect. A charger attached to the battery ensures a solid state of voltage. This ended up needing a warrantied alternator to begin with. It has been reflashing fine ever since.
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Old 06-21-2016, 05:22 PM   #20
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