my 1977 mgb runs well for about 20 minutes then its starts spluttering
my 1977 mgb runs well for about 20 minutes then its starts spluttering - if i keep
droping a gear and then restore to 4th it will get me home - but feels like its
Check the spark plugs to see if it is running rich. Black soot on them means it is rich. Perhaps it is time for a carb rebuild and a tuneup.