Hi, i have a 1994 lighting ,pulling engine to check main & rod bearings . Is there anyone that has upgraded the converter on a E4od trans. Truck is stock , & might put in a camshaft Upgrade . Truck has been sitting for 7 years & just do the bottom end to freshen it up with oil pump . truck has 79,250 miles on it . Going to my Son , he is getting Married & wants a truck ..