Bad cylinder??
#1
Bad cylinder??
I have a 1990 roller engine in my 1968 mustang..the engine is carburated..i took off my headers and the #4 exhaust port has a built up of what looks like carbon/burnt oil??.and the flange has a little oil around it.All the other ports look clean..The #4 plug doesnt have oil on it and it looks like the rest tan in color..I had a bad plug wire about a year ago...would that cause that added carbon in that one port or do i have something else to be worried bout..car ran great b4 i put it away for the winter..any help would be great
#2
Since it ran fine, if it were me I would clean it up and put it together, and do my best to forget all about it.
And yes, a misfiring cylinder will cause buildup, but I would expect this to burn away when the engine is run hard (i.e. good and hot).
And yes, a misfiring cylinder will cause buildup, but I would expect this to burn away when the engine is run hard (i.e. good and hot).
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KingRando
2005-2014 Mustangs
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10-02-2015 08:06 AM