I check chains for stretch on all later 5 and 6 cly diesels fairly often after 120k. Replace after 10 deg's and its much easier to check them with the led tool for the pump.
Project Smoker, '87 603 powered wagon
Hauler, 96 CTD can you say torque?
Toy 73 Cougar xr7 convertible
Acme Automotive Inc.