So a gallon is probably less than 20$ sounds good to mequote:
Originally posted by JohnBrowning:
I buy 32 once bottle of Lucas UCL for $5 at Meijers. I always get 1-2 MPG bettetr with it in the tank. I have never had a fuel injector related problem so I can not really claim that any brand of fuel additive has ever done much for me. I use as preventive maintence.
I havent, I exceeded the dose on MMO by about 4x in my truck. I put a bunch of FP in my lawn mower tanks a couple times without fouling the plugs.quote:
Originally posted by kang:
Has anyone ever had a problem with fouled plugs after using an upper cylinder lubricant, like FP or Lucas? I wonder about what happens to the oil in those products when it burns. Burning oil typically leaves some sort of residue.