What's everyone using for a complete fuel system cleaner - one that also claims to remove carbon deposits on intake valves (for non-DI engines) and piston and heads?
I've typically used Redline SI-1 Complete Fuel System Cleaner, but it's pretty expensive. I see Gumout has a few products out with PEA cleaners that seem to get decent reviews and are about 1/2 the price as Redline to treat the same amount of fuel.
https://www.amazon.com/dp/B004361AFQ/?coliid=IRX5DHN2BLFJ8
https://www.amazon.com/dp/B004AYTRU6/?coliid=IDVOHCBA4DXJS
https://www.amazon.com/dp/B06XDRK8T6/?coliid=I282QVZ8UPGEUP
I've typically used Redline SI-1 Complete Fuel System Cleaner, but it's pretty expensive. I see Gumout has a few products out with PEA cleaners that seem to get decent reviews and are about 1/2 the price as Redline to treat the same amount of fuel.
https://www.amazon.com/dp/B004361AFQ/?coliid=IRX5DHN2BLFJ8
https://www.amazon.com/dp/B004AYTRU6/?coliid=IDVOHCBA4DXJS
https://www.amazon.com/dp/B06XDRK8T6/?coliid=I282QVZ8UPGEUP