Zero Knievel Posted November 20, 2010 Share Posted November 20, 2010 I cleaned this up before taking the photo. The crud you see could be wiped out with some elbow grease and WD-40. The whole cylinder was brown, and I notice that this is the same "brown" I see building up on my tailpipes that needs to keep being polished off. What's causing it and is it "normal" or should I be worried? Quote Link to comment Share on other sites More sharing options...
Zero Knievel Posted November 25, 2010 Author Share Posted November 25, 2010 Bump for post-Thanksgiving review. Quote Link to comment Share on other sites More sharing options...
HANKSXXX Posted November 26, 2010 Share Posted November 26, 2010 Gas deposits caused by reversion... Not to worry... Quote Link to comment Share on other sites More sharing options...
Warp11XX Posted November 26, 2010 Share Posted November 26, 2010 +1 Seems to me like the fuels with the higher octane additives are a bit worse about leaving this type residue behind. Hasn't caused me any problems in the many moons since discovery... Quote Link to comment Share on other sites More sharing options...
EVLXX Posted November 27, 2010 Share Posted November 27, 2010 Fuel Varnishing...... Normal. No need to wipe, just spray with carb cleaner. Quote Link to comment Share on other sites More sharing options...
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