Guest robv Posted November 7, 2010 Share Posted November 7, 2010 (edited) hi all my engines lumpy when cold,tried new leads and plugs,i think cam follower is worn a little,but not terrible....any ideas,previous s.h. says compression on mnumber 3 cylinder is down. Edited November 7, 2010 by robv Quote Link to comment Share on other sites More sharing options...
Guest Lee81 Posted November 7, 2010 Share Posted November 7, 2010 Most of the old cabs will be lumpy when cold. Just old design and years of wear and tear. Turning the idle speed up will help a bit. Anything down on compression is bad news. Could be head gasket. Could be piston rings. Could be valve related. Quote Link to comment Share on other sites More sharing options...
Paul Grainger Posted November 9, 2010 Share Posted November 9, 2010 Sounds like the compression problem is starting to take its toll. Quote Link to comment Share on other sites More sharing options...
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