E-85 on a non TCS 1999 LPT 9-5? Yes! - The Saab Link Forums

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Old 03-25-2009, 07:42 PM   #1
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E-85 on a non TCS 1999 LPT 9-5? Yes!

So with a little help from Paul H and a lot of help from Mackan in Sweden over on the ECU project, we E-85'd the 1999 LPT 9-5 today. Even though it's basically a "prototype" tune and still needs a few minor adjustments (cruise only works intermittently), It seems to work quite well. Actually makes more power and feels smoother than the maptun or BSR stage 3 did. low RPM "grunt" is not as good but everything else is better.

Filled it up with a full tank of E85 today, and once the adaptation was completed, I was pleasantly surprised with more consistent and stronger overall power. Also, the cheaper fuel A+ for E85 A few pics from today.--

Pre E-85 fill up. This number should be the ethanol content in the fuel (Approx E10)




Filling her up



Hmm. the pump was leaking quite significantly. Yeah, it's a standard gas pump handle, not rated for E85. wonder why that's leaking PTC Idiots.



On the road


Power.

E85 content

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Old 03-25-2009, 07:55 PM   #2
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Different Injectors? Right? Interesting Stuff! Nice Job!
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Old 03-25-2009, 08:06 PM   #3
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Different Injectors? Right? Interesting Stuff! Nice Job!
nope, basically all stock hardware, its basically just a stage 1 tune, the injectors are apparently about maxed out on e85 at 230hp. The car still has the horrible little GT17 and everything, but it gets along pretty well with this tune.

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Old 03-25-2009, 08:14 PM   #4
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Thats really cool. I've been wanting to E85 my 9-5.
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Old 03-26-2009, 09:19 AM   #5
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nice work - is it a conversion or a flex?
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Old 03-26-2009, 09:28 AM   #6
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Thats pretty freakin cool man! if messin around on my own with ECU project didnt scare me so much I would give it a try..
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Old 03-26-2009, 09:28 AM   #7
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So. Did the car break down yet?

Nice work! I'm guessing it's a flex tune since you have to drive into the "other" Pennsylvania to find E85 last I checked.
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Old 03-26-2009, 09:33 AM   #8
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Cool.

How much is E-85 down there?
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Old 03-26-2009, 09:35 AM   #9
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It was $1.74 per gallon in Cleveland last weekend. Pennsylvania tends to be a little higher for the regular stuff.
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Old 03-26-2009, 01:30 PM   #10
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Quote:
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nice work - is it a conversion or a flex?
Flexfuel! Based on the OEM Biopower bins from the later cars. The issue so far has been it only works on cars that have TCS, and even though Jeffs car has a TCS button, its not connected to anything . This version allows it to work on the earlier cars, pretty neat, though at the moment its got some issue with the speed signal that makes it throw a CEL after a few miles. Still drives just fine though.

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So. Did the car break down yet?

Nice work! I'm guessing it's a flex tune since you have to drive into the "other" Pennsylvania to find E85 last I checked.
Yeah, had to drive all the hell-way down to Allentown!

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Cool.

How much is E-85 down there?
Think it was $1.84, premium was $2.20, so at the moment it doesnt make a whole lot of sense, since it seems the mileage goes from 25 down to 19mpg. The concept is neat though, and itll probably be a better value once gas goes up again.

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Old 03-26-2009, 01:53 PM   #11
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if NH actually had e85, i would definitely think about changing to it...

what are you avg for mpg??
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Old 03-26-2009, 01:59 PM   #12
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I "normally" get around 24 MPG in mixed driving, on E85 I was averaging 19 so it is a significant decrease.
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Old 03-26-2009, 02:16 PM   #13
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19mpg...? am i missing something...
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Old 03-26-2009, 02:21 PM   #14
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Nice work on the conversion! I love the SID information though, that would be awesome if that would work on ng900's. So how significant of a difference is the low end power?
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Old 03-26-2009, 02:26 PM   #15
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19mpg...? am i missing something...
It's E-85 - the downside to it is less MPG
The upside it's supposed to be about 10% cheaper to buy and creates more HP output

However it causes corn and corn by products to inflate in stores too....

It's neat - but Gas will be the sure thing until Electric and Hydrogen are sorted out. Honda has a nice one in California for sale now.
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Old 03-26-2009, 03:50 PM   #16
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Quote:
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Flexfuel! Based on the OEM Biopower bins from the later cars. The issue so far has been it only works on cars that have TCS, and even though Jeffs car has a TCS button, its not connected to anything .
Of course it isn't connected to anything. That Jeff!

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Yeah, had to drive all the hell-way down to Allentown!
Allentown! That's too far. Almost Ohio far!

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Think it was $1.84, premium was $2.20, so at the moment it doesnt make a whole lot of sense, since it seems the mileage goes from 25 down to 19mpg. The concept is neat though, and itll probably be a better value once gas goes up again.
My plan with the flexfuel tune you did on the 9-3 is to run it as a city car, where my mileage is usually crap anyhow, on E85 this summer since I can fuel up on it at my grocery store. Guess that's one good thing about Cleveland.
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Old 03-26-2009, 05:06 PM   #17
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Yeah from what I know E-85 requires much more fuel. Hence the lower MPG.
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Old 03-26-2009, 10:05 PM   #18
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Yeah from what I know E-85 requires much more fuel. Hence the lower MPG.
yeah, filled up again today (E-85), last tank I ripped through pretty quick, though I was pretty hard on it. I will try to be a slight bit lighter on the throttle (not averaging 90 mph) and see if I can do better than 19. With "lighter" driving the 9-5 can get 26 MPG on gas, though I normally get 24. If I really drive for mileage the car is capable of 34+ MPG, but that's not realistic if you want to make good time on the highway, and why not? Time is more expensive than gas.
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Old 03-27-2009, 03:10 AM   #19
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Really neat guys. Good job on this one. Definately interested in this.
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Old 03-27-2009, 03:23 AM   #20
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I want to make a race car that runs on E-85, it's so damn hard to find it consistently.
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