Quote:
Originally Posted by Will
Some of these responses have been very interesting. I have been using nothing but regular after my engine rebuild so I could break it in on regular. I have been thinking about going with premium every few tanks to help clean it out.
I would have expected people to see more of a difference in FE between the two.
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I'm not sure which would be cheaper, but running a tank with the "Seafoam" additive might help clean the fuel delivery system. Every year or so I run it through the brake booster line to clean the top-end. LOTS of white smoke, but that's just the carbon build up burning-off. Others recommend Auto-RX (never tried it) -- I like Seafoam because I can find it on the shelf at the auto parts store. It's great stuff.
RH77