Quote:
Originally Posted by Jimbo370
Isn't it just lot of ethanol. I have used it and it seems to make the car run smoother in a Toyota with 185k miles but look out rubber
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According to their web site, there is <25% isopropanol (rubbing alcohol) in Seafoam Spray. The main ingredient (<95%) is "hydrocarbon blend" (proprietary formula). The rest is 3-5% carbon dioxide (propellant).