Re: GAS IN TRACTOR ENGINES

Posted by RN on August 13, 2005 at 17:04:06 from (166.126.218.219):

In Reply to: GAS IN TRACTOR ENGINES posted by Joe in MN on August 13, 2005 at 14:16:55:

Had a bit of driving test truck for Cenex 10% mix 1979 - chev c20 about 5 years old. Fuel filter clogging was what I was warned about. Holley single barrel carb on AMC, Ford, Dodge 6s had accelerator pump diaphram eaten by ethanol, cause stalling at sometime critical times- light changes- and some crashes happened. Early 80s Ford fuel injector seals also eaten, later ones were made with ethanol fuels expected- OK. Nissan 82-84 fuel injector castings leaked after long exposure to ethanol, EPA tried to make Nissan replace as mfg fault, lost as design met expect fuel use at time. I believe it was noted that zinc content of metal was reduced to be ethanol resistant. BMW motorcycle rally had warnings about CV carb diaphrams leaking- I had to replace mine on /5. Tractor shops in green county, wi had bulletins about check fuel filter clogs, fuel tank screens partial blockages, minor seal leaks, note on some carberator floats that were suseptable to being eaten by ethanol. New equipment now made to run on ethanol blends, most old ones that could be affected are known and a fix is available- you decided if it's worth it,$19.95 holley diaphram kit for single barrel carb on old 6 cylinder work beater is one thing, $78.00 a piece for a fuel injector x4 or 6 or 8 (Ford 302) on 20 year old car is another. . RN

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