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Old 09-13-2013, 12:59 PM   #21
Seminoles
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no do it legally
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Old 09-13-2013, 01:19 PM   #22
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Hell you can't even have a 55gal drum of fuel at your home without crazy paperwork, what makes you think they'll let you MAKE it at home?
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Old 09-13-2013, 02:54 PM   #23
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I missed up the quote thing, " OP, did you get a new tune? usually to take full advantage you should get a tune for it.

i know on my car i needed to add way larger injectors. and get a new tune.[/QUOTE]"

But to answer your question:

No tune just have the new mission mod, snorkel delete, and from the cat back i'm running a 2.5 in pipe with a flow master resonator and a borla transverse. Haven't decided which route to go for tuning yet, be it SCT or injected. Also haven't gotten the boss's approval for spending the $$ yet.

Also thanks Tom for that link about the E85 did some light reading I have some other questions for you but i'll send them via PM
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Old 09-13-2013, 11:36 PM   #24
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2.54 for e85 on my way home today. I'm tempted to give it a few tanks to prove its worth...
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Old 09-14-2013, 05:00 AM   #25
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I did a test awhile back. Over many tanks of E85 from the neighborhood store I found that E85 yielded me $0.115/mile cost and 93 E10 yielded $0.113/mile cost. This was with a very steep $0.80/gal discount on the E85 at $2.955/gal. I found the price gap needs to be around that $0.80/gal to make E85 viable for me. When 93 drops below ~2.80/gal E85 becomes less attractive quickly.

For the record the OBD2 data never showed me more than 78% (+/- 5%) ethanol and the 93 E10 ALWAYS showed me 9.8% ethanol. It should also be noted on my 100% stock tuned car I saw no difference in total timing demanded or knock retard measured (again via OBD2 data) between the two fuels. Seat of the pants both were similar as well.

Even with the relative equal cost I've swapped back to 93 E10 exclusively. I simply got tired of the lower miles per tank, and felt like I was filling up every other day instead of every 4-5 days. I never ran the math on the cost of my additional time to stop and refuel more often though.

87 octane is junk in this car. Seat of the pants shows terrible performance and a cost analysis over multiple tanks puts it in the $0.135/mile range. Not a huge difference in price, but at 26k miles a year it's worth noting for me.

Last edited by 2kwik4u; 09-14-2013 at 05:03 AM. Reason: dang autocorrect. .....fixed many spelling errors
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Old 09-14-2013, 06:43 AM   #26
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Quote:
Originally Posted by 2kwik4u View Post
I did a test awhile back. Over many tanks of E85 from the neighborhood store I found that E85 yielded me $0.115/mile cost and 93 E10 yielded $0.113/mile cost. This was with a very steep $0.80/gal discount on the E85 at $2.955/gal. I found the price gap needs to be around that $0.80/gal to make E85 viable for me. When 93 drops below ~2.80/gal E85 becomes less attractive quickly.

For the record the OBD2 data never showed me more than 78% (+/- 5%) ethanol and the 93 E10 ALWAYS showed me 9.8% ethanol. It should also be noted on my 100% stock tuned car I saw no difference in total timing demanded or knock retard measured (again via OBD2 data) between the two fuels. Seat of the pants both were similar as well.

Even with the relative equal cost I've swapped back to 93 E10 exclusively. I simply got tired of the lower miles per tank, and felt like I was filling up every other day instead of every 4-5 days. I never ran the math on the cost of my additional time to stop and refuel more often though.

87 octane is junk in this car. Seat of the pants shows terrible performance and a cost analysis over multiple tanks puts it in the $0.135/mile range. Not a huge difference in price, but at 26k miles a year it's worth noting for me.
:SSF:

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Old 09-14-2013, 11:36 AM   #27
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2kwik4u thanks for that write up. Instead of using $.80/gal difference wouldn't a % of difference between the two be more accurate?
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Old 09-16-2013, 05:04 PM   #28
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Another E85 thread? Leave the E for turbo cars trying to make power and run pump in your NA car. That's the jist of the responses on this forum with BS thrown about in between.
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Old 09-23-2013, 08:33 AM   #29
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I've been running E85 since I got the car pretty much and have about 4500 miles on it now. Untuned I got about 25-26 MPG on E85, about 32 on E10 mid grade, and about 35-36 on 91 octane. Once I got it tuned for straight E85 MPG jumped to 31-32 average. Price difference is about a dollar cheaper than 91 here. This is on the initial tune (specific for E85) I got from Torrie at Unleashed, I've not given him the chance to revise it yet because I'm waiting until I get my exhaust done (catless long tube and MS3 cat back).
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Old 09-24-2013, 02:38 PM   #30
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it's a 37% efficiency diffence between gasahol and ethanol. however if you were to run your injectors at 37% more flow you would see a gain in power as it can run more lean and has an octane rating of 110-120ish. There are plenty of dynos comparing the two
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That or the new SMurF mod ;)
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