B b0199 New Member Apr 10, 2005 13 0 0 Apr 15, 2005 #1 Apr 15, 2005 #1 My 93 mustang smokes at startup when warm. It does not smoke when its cold. Valve seals or piston rings? Any thoughts. I has stock heads on a 306. Only about 5000 miles on engine.
My 93 mustang smokes at startup when warm. It does not smoke when its cold. Valve seals or piston rings? Any thoughts. I has stock heads on a 306. Only about 5000 miles on engine.
thumper460 Founding Member Jul 24, 2000 3,022 2 56 Orange Park , Fl Apr 16, 2005 #3 Apr 16, 2005 #3 yep.. usually it is the seals!! Just me............... Thumper