If it’s worn out after 80 miles I’d be wondering if there was enough flow from the pump? Is there any discolouration to the crank? Blueing?

Life is stressful enough without getting upset over the little things...

Now lets all have a beer!

68’ A65 Lightning “clubman”
71’ A65 823 Thunderbolt (now rebuilt)
67’ D10 sportsman (undergoing restoration)
68’ D14 trials (undergoing transformation)