1st post here. 2 questions. 1. is there a large difference between 5w20 semi-synthetic and 5w50 full synthetic? 2. What about the 5.0 would cause engine ticking (actually sounds like noise made when engine/exhaust cooling off after engine shut down) noise after synthetic put in?
5w20 and 5w50 synthetic used in two different engines both causing intermittent noise after synthetic put in.
5w20 and 5w50 synthetic used in two different engines both causing intermittent noise after synthetic put in.