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Mechanical Maintenance (Oil, Fluids, Break-In, Servicing) Everything related to the mechanical maintenance of the FR-S and BRZ |
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01-18-2018, 03:38 PM | #1 |
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Long-term effects of E85
I recently installed headers and the OFT with a tune for E85. I've read conflicting articles on how E85 is good/bad for your engine. I was wondering if anyone has had any problems with long-term usage of E85 in the FA20 motor. I like the power gain (~15HP) and cheaper price than 93 octane. However, I'm worried that over the long haul I won't get the miles out of my engine. Any input is appreciated.
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01-18-2018, 04:57 PM | #2 |
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No problems so far with E85 for me, I've been filling up with E85 8-9 months out of the year for 4 years now. I've ran everything from E60 to E85. I don't track or race, just alot of spirited driving (especially when it rains/snows ).
I drive between 3K and 5K rpm mostly, and redline at 8K rpm! I have a custom tune using Ecutek though, don't have any experience with OFT. But if you have a good tune, you're good for years to come. The only maintenance I've done for the engine is oil/filter & spark plugs. Plugs were fine when changed at 69K miles too. Haven't changed the fuel filter yet, but I'm not worried about it. |
01-19-2018, 10:46 AM | #3 |
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Long term usage of E85 has been proven to reduce Depression. It will aslo increase Happiness, and well being!
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01-19-2018, 11:03 AM | #4 |
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I doubt it's an issue for modern cars since gas has had small amounts of ethanol in it for years now. Older cars were not designed to run it so I've heard fuel line and pump issues but that's all moot now.
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01-19-2018, 11:35 AM | #5 |
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Long term effects might be cleaner valves and less carbon build-up. Ethanol burns cooler than petrol but seems to thin the oil quicker than petrol, so who knows if it accelerates wear until we get more data.
Replace your oil more frequently when using ethanol Check your fuel filter for deterioration once in a while, although most threads I've read report no problems with ethanol
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01-19-2018, 12:32 PM | #6 |
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Been on e85 using an OFT for 4 years as well with no breaks in the winter. Engine runs like a clock. No extra wear anyplace (I've looked.) These cars handle e85 like a champ.
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01-20-2018, 10:45 PM | #7 |
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I tried to upload my blackstone report after 10,000 miles of straight e85 on the OFT stage 2 uel tune. The interval included two autocrosses and a trip to the dragstrip, report came back great, no fuel contamination or anything lse to be concerned about. using mobil 1 0-20
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01-20-2018, 10:46 PM | #8 | |
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Quote:
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01-21-2018, 06:47 AM | #9 | |
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Quote:
But I would suggest that you get ecutec & run flex fuel, that way you can run with mix gasoline which will decrease the effect e85 has on the fuel line and fuel pump in the long run. |
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01-21-2018, 07:48 AM | #10 |
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So if e85 cause something in long term like 200,000 mile or 5 years+.
Then I don't care. it's time to rebuild for Turbo LOL. |
01-21-2018, 05:52 PM | #11 |
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long term effects include, but are not limited to;
* getting excited at the smell of burnt e85 * enjoying fueling your car up from jerry cans * looking forward to your ECA gauge telling you its at E87 * enjoying the VPracing cherry scented fuel additive * feeling smug when you run high boost |
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01-21-2018, 06:05 PM | #12 |
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01-21-2018, 06:10 PM | #13 |
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http://www.vpracing.com.au/product/vp-m2c try about 300ML in 1 tank of E85
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01-22-2018, 03:21 PM | #14 | ||
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Quote:
In case the link breaks, here's a copy-paste: Quote:
From a personal experience, I can smell ethanol in my oil during an oil change. I don't have oil analysis data, but the smell is obvious. The presence of ethanol doesn't necessarily mean it hurt my car, but I'd rather be safe than sorry until we have more data about E85 reliability in the 86.
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