I would be concerned with the high solvents and detergent aspects of using Techron or products like it in a 2S engine. Think would be inhibiting the lubricity of your injection oil and lean out the cylinders causing higher temps plus reducing lubrication overall.
Techron consists of four components:
Distillates, hydrotreated light at 40-70% weight
Stoddard solvent at 15-40% weight
Solvent naphtha (petroleum), light aromatic at 5-10% weight
Benzene, 1,2,4-trimethyl at 1-5% weight
PEA (detergent), polyether amines at 20-49% weight
I use Seafoam (My family has used Seafoam for about 60+ years). About 1/2 ounce per gallon for normal operation and if an engine has never been de-carbon then about 2-4oz/gallon. Don't know what else to say other that it's a great product and I believe is key to engine life and fuel system cleanliness. I have sleds with over 11K miles and the engines never been touched, boat motors that are decades old -never rebuilt, chainsaws, pumps, generators, weed eaters and all run very well.
From the MFG: Sea Foam engine products are blends of highly-refined ingredients derived from organic petroleum, so each shares the same hydrocarbon nature as gasoline fuel, diesel fuel, motor oil and other petroleum engine fluids. Most other additive products can be detergent/chemical-based, phenol-based, or alcohols.
I also use about 1/2oz /gallon of Iso-HEET 28202 (Red Bottle) which is 98.5% Isopropanol (Dry Gas) to control moisture and especially when using fuels with the dreaded Ethanol. Continuous use of Ethanol fuel and you will end up with a nice layer of water in the bottom of any/every fuel tank if you don't add dry gas or iso alcohol. Can also use 99% isopropyl alcohol, depends where is the best deal sometimes the Iso-HEET is found as cheap or less but sometimes not . Yes dry gas does reduce the lubricity of the fuel however when combined with the seafoam mitigates this in my view.
I have yet to ever have a moisture related issue or carbon build up in any engine ever as a result of adding the above cocktail to the fuel tank.
Good information. A mechanic recommended I use techron, I put some in the tank last night but only ran the sled for three or four minutes. I had second thoughts after, that's why asked the question now I'm glad I did.
When I get home I will siphon out the gas tank and put fresh fuel in. I assume the little amount that it ran shouldn't be a problem?
Thank you for all the help.
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