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Originally Posted by Pat RUFBTR
With a single ECU (serial AEM 2) can we use two fuels (E85, SP91)?
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Hi Patrice, thanks for the kind words! Yes, you can use just 1x AEM Series-2 computer. The last version of the software + firmware allows for a standard flex fuel sensor (aka ethanol content sensor) to be installed. Then you can offset your gasoline tune as needed (injection, ignition, boost, etc) based on the percentage of ethanol present. We usually tune with motorsports grade e98, knowing that there's almost always some residual gas in the system that dumbs down the ethanol percentage. As long as we end up with at least 85%, it's a "go" on the dyno. The blending tables back down to gasoline values are set up next. That way a customer is covered if he gets "real e85" from a motorsports fuel vendor, or if the "e85" out of his local filling station is really e72.
Quote:
Originally Posted by flashgordon64
Oh man, I feel your pain. Chris I can tell you there were many a day when I was like "WTF is going on with this thing, I must be cursed." Some days I just wanted to give up but just decided to walk away and take a break instead. Well you know; you were on the receiving end of a few of my calls. Anyway, it's like you said we just push on and in the end it all seems worth it...I think lol.
So Kudos to you and your team. You always deliver the goods while giving us the good and bad. For me I'm a DIY'er so I know it was especially tough for you guys dealing with the set-backs of a proven formula.
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Thanks, Mitch! I like to post some of the bad with the good, give people a realistic perspective on building / rebuilding a car.
Even all-stock, there's going to be pitfalls: quality of genuine Porsche rocker arms, for instance -- junk.
Now make the car high performance and highly custom, and you can be assured there will be things that don't fit as supposed to or work as supposed to.
Stay positive, persevere, and try to learn from every job.
That's my take on it.