My Sky Hawk with the 4-barrel 289 stalls when hot. I've been told it's because the ethanol in the fuel evaporates. I can't find any place which sells ethanol-free fuel, except airplane facilities. Any suggestions?
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I'd >>start<< by increasing the idle speed a bit to prevent the hot stall, then setting each of the idle mixture screws when hot, then reset the idle speed as appropriate for the transmission. Sometimes I have to go back and forth a few times between idle rpm and mixture.
The idle speed and mixture adjustment was part of spring and fall "tune up" back when it used to be a "tune up" included dozens of things like tightening head bolts(cap screws!?) and manifold and carb bolts, valve adjustment checking point spring pressure and "resistance" and fuel pump pressure, battery terminal cleanliness (I prefer voltage drop when cranking).
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Non alcohol gas is getting harder and harder to find especially in or near large metropolitan areas since the EPA has mandated alcohol now be used in place of the additive MTBE which they determined was contaminating ground water. I imagine that at some point non alcolhol gas will be outlawed everywhere. So far here in the middle of the country we still have a choice. In our next door neighbor state of Iowa ( a big corn growing state) it is really getting hard to find pure gas too.Frank van Doorn
Omaha, Ne.
1962 GT Hawk 289 4 speed
1941 Champion streetrod, R-2 Powered, GM 200-4R trans.
1952 V-8 232 Commander State "Starliner" hardtop OD
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Sunoco pulled out of our area long ago but yes Shell still has alcohol free Premium. At least in my State the pumps have to have a sticker on them to indicate that the fuel has alcohol which makes it easier for me to fuel my Studebakers. Now I noticed that one station across the river in Iowa (Pilot) now only has 87 and 89 octane, no more premium. Wonder what that is an indication of? Maybe they will replace premium with E-85, who knows.
Originally posted by Nelsen Motorsports View PostI think high test Shell is ethanol free and Sunoco is completely ethanol free.Frank van Doorn
Omaha, Ne.
1962 GT Hawk 289 4 speed
1941 Champion streetrod, R-2 Powered, GM 200-4R trans.
1952 V-8 232 Commander State "Starliner" hardtop OD
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Originally posted by Nelsen Motorsports View PostI think high test Shell is ethanol free and Sunoco is completely ethanol free.Skip Lackie
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All the Shell branded stations here in the OKC area include ethanol, even in their 91 octane premium. There are several Phillips66 stations, Valero and our even our local Walmart (Murphy Oil) selling 100% gasoline for all their grades of gasoline.sigpic
John
63R-2386
Resto-Mod by Michael Myer
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Originally posted by Chucks Stude View PostEven NASCAR is going to gas with ethanol in it. I wonder if they use electric fuel pumps? I know they are testing fuel injection, so it may soon be a dead issue for them.Gary L.
Wappinger, NY
SDC member since 1968
Studebaker enthusiast much longer
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nascars reason is mainly safety, cable driven off the engine. fail safe way to kill the fuel press when the engine dies. NASCAR supposed to be going to fuel injection too, that should give a little area to cheat until the officials get caught up on it.
Originally posted by studegary View PostNASCAR already uses a rear mounted pump. It is mechanical, but it mounted in the rear and is driven by a flexible shaft from the front. This gives them a pusher pump without electricity.
Russ Shop Foreman \"Rusty Nut Garage\"
53 2R6 289 5SpdOD (driver)
57 SH (project)
60 Lark VIII 2dr sd (driver)
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