Have a question? Let the experience of our tech experts help you with the most common, time-tested recommendations for using Sea Foam products in gas and diesel fuel systems, oil crankcases, and engine equipment fluid systems. If you have a question that requires a more specific response, please go to our HOW 2 Instructions page or submit your question using our Ask Jim feature located at the right of this page.
Or, simply click on any Frequently Asked Question for answers, instructions, or how-to video links.
Can Sea Foam be added to wet clutch oil? yes
Do I add Sea Foam when the fuel tank is full or low? either
Can Sea Foam or Sea Foam Spray be used in a turbo or supercharged engine? yes, both
Where do Sea Foam Motor Treatment’s ingredients come from? organic petroleum
Can Sea Foam be used in all types of conventional and synthetic motor oils? yes
How long will Sea Foam stabilize stored fuel? two years, at least
Can Sea Foam or Sea Foam Spray be used in a rotary engine? yes, both
Can I add too much Sea Foam to fuel? no
Can Sea Foam petroleum products affect seals, gaskets, or o-rings? not possible
Will Sea Foam alter the effect of motor oil viscosity? not if used properly
Will Hydra Trans Tune alter the effect of transmission fluid viscosity? no
Does Sea Foam change or affect fuel octane? no
Does Sea Foam change a fuel’s flashpoint? no