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Justus3
Navigator
Canada
76 Posts |
 Posted - 05/23/2009 : 12:38:22 PM
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Just curious. I would not have noticed the gas leakage were it not for the pink dye in it. Is marine gas in the US also dyed pink?
The mechanic indicated that the actual gas component would evaporate quite quickly and all that was left on the manifold was the dye.
Ron
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Jimbo Song
Senior Member
397 Posts |
Posted - 05/23/2009 : 2:39:43 PM
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I think it is pigment from the gasket and gasket sealer.
quote:
Originally posted by Justus3
Just curious. I would not have noticed the gas leakage were it not for the pink dye in it. Is marine gas in the US also dyed pink?
The mechanic indicated that the actual gas component would evaporate quite quickly and all that was left on the manifold was the dye.
Ron
1987 Carver Voyager 28
Jimbo Song |
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Justus3
Navigator
Canada
76 Posts |
Posted - 05/23/2009 : 4:21:28 PM
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| That raises another question. Should the carb gaskets have a sealer? I don't believe mine do. Ron |
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Jimbo Song
Senior Member
397 Posts |
Posted - 05/23/2009 : 6:12:15 PM
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Usually new carbs don't have "sealer" applied. If they are torqed properly it's fine. Some rebuilt carbs will have some sealer applied directly to the gasket. Since your carbs are new the color you see is probably just from the gasket.
quote:
Originally posted by Justus3
That raises another question. Should the carb gaskets have a sealer? I don't believe mine do. Ron
1987 Carver Voyager 28
Jimbo Song |
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cpt john
Deck Hand
USA
13 Posts |
Posted - 05/24/2009 : 12:18:12 PM
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quote:
Originally posted by Jimbo Song
Usually new carbs don't have "sealer" applied. If they are torqed properly it's fine. Some rebuilt carbs will have some sealer applied directly to the gasket. Since your carbs are new the color you see is probably just from the gasket.
quote:
Originally posted by Justus3
That raises another question. Should the carb gaskets have a sealer? I don't believe mine do. Ron
1987 Carver Voyager 28
Jimbo Song
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cpt john
Deck Hand
USA
13 Posts |
Posted - 05/24/2009 : 12:21:59 PM
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| The pink may have been from winterizing your motors. I had the same on mine, after cleaning, it has not come back. Hope this helps. |
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Justus3
Navigator
Canada
76 Posts |
Posted - 05/25/2009 : 12:00:09 AM
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Canadian off-road gas does contain a pink dye. If gas in the US does not contain a dye marker I suspect it would evaporate without leaving a trace on the engine: Here is the explanation from Wikepedia:
Fuel dyes are dyes added to fuels, as in some countries it is required by law to dye a low-tax fuel to deter its use in applications intended for higher-taxed ones. Untaxed fuels are referred to as "dyed", while taxed ones are called "clear".
The dyes used have to be soluble in hydrocarbon-based nonpolar solvents ("solvent dyes"), and therefore in the fuels they are added to. Red dyes are often various diazo dyes, eg. Solvent Red 19, Solvent Red 24, and Solvent Red 26. Anthraquinone dyes are used for green and blue shades, eg. Solvent Green 33, Solvent Blue 35 and Solvent Blue 26.
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Justus3
Navigator
Canada
76 Posts |
Posted - 06/02/2009 : 12:53:56 PM
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Just a further note about the fuel dye in Canadian gas. My mechanic just informed me that a technical bulletin has now been issued about a problem with the new dye being used. It is beeding out of bolts holes and gaskets and leaving a pink residue an engine parts. Aparantly it is not a safety concern and is only an issue in Canada where off-road gas is dyed.
Ron
1978 Carver Santa Cruz 28
Vancouver Island BC |
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Gas colour
