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ChadS
04-14-2005 08:03:53
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Guide for E85 and Farmall's in reply to RustyFarmall, 04-14-2005 04:45:43
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First off, I feel E85, is a great fuel additive. I say additive, because you cant run it straight and expect perfect performance, you would have to monitor the carb and timing settings almost to the daily weather conditions to keep it consistant. (100%E85) E85 can be used as an octane booster subsitiute, due to its slow burining charateristics, it is a fuel that is very hard to igntite and Ive ran it in my 1940 Farmall H puller at 300psi of compression, and lace it with a bit of pump gas for plug color to know if its rich, or lean. The pump gas also takes the hard to ignite characteristics away from E85, making it useable in lower compression engines. Ive used E85 mixes in all types of tractor engines Mostly H,s and M's and all high compressed engines that have been altered for more power. The proper fuel mixture, and jetting of the carb, is relitive to engine compression, and rpm. E85 loves low rpm engines. it hates over 3000 rpms, it is too hard to ignite it, even mixed with gas, thats why at the pumps, you see it only about 10% mixed in,, it wont run right at high rpms. Same problems arise as if you have a fuel that has way too much octane, and not enough compression to run it. Best thing to do if your interested in a conversion to E85, is to sit down and learn your tractors engine. Cubic inches, and compression pressure, and what rpms you intend to use it. Now, i know that this is more like a farm useage situation and it wont be much over stock rpms, but, if you do this conversion right, youll add about 7-10 more HP in your tractor, and run much cooler in the fields. For engines 100-130 psi of compression
run a 75% 92 octane pump gas to 25% E85
(3 quarts pump gas to 1 quart E85= 1 gallon at 75/25 mix ratio)
Engines 135-160 psi, you can add a bit more E85 and a bit less pump gas, maybe add a 1/2 quart more of E85, and take out 1/2 quart of pump gas. Sounds like moonshining huh????? ???? Now Tractor Vet,, if you read this, 6 cyl IH gassers like this stuff too, runs cooler, and burns cleaner at less octane. Ethanol is exactly like octane booster, if your current fuel does not git r done, a little bit of Ethanol goes a long way! Ive been running it for years now I get it through Wabash county farm bureau COOP. Wabash Indiana. it then has more gas mixture added to it, I get about 200 gallons a year 100 gallons of 94 octane, and 100 gallons of Ethanol. 50/50 mix, and I cut it from there. Just depends on what I decide to run it in, when a bit more power is needed for the task at hand. For me, its on the pulling track. Hope this helps,,, ChadS
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