0W-40 should be better in both car & truck applications. Even in Sunny Fla. that oil weight is more than enough.

Ticking lifters are a COMMON result from hi-mileage oil changes ie; 10K between changes.

__________________
MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
Retired Moderator