A fair point Roger, I was thinking that they're possibly brand new cylinders that have never actually been used, just sitting there for 20+ years since being fitted.  So not trying to cut corners, just keeping my options open since being advised elsewhere that it's definitely worth investigating this as a possibility. I'll give it another day to see if anyone else has an alternative opinion for me to weigh up, and if I still can't get it free I'll just stump up the cash.
#5604
Ben Stevens
Keymaster

A fair point Roger, I was thinking that they’re possibly brand new cylinders that have never actually been used, just sitting there for 20+ years since being fitted.  So not trying to cut corners, just keeping my options open since being advised elsewhere that it’s definitely worth investigating this as a possibility.

I’ll give it another day to see if anyone else has an alternative opinion for me to weigh up, and if I still can’t get it free I’ll just stump up the cash.