laverdakeith said:Sorry to be a pedant but I am an engineer, it's my job to be fussy. Not the first time I have had to post this, try and pay attention.....
Tollerance is the permissible range of variation in a dimension of an object.
Clearance is the distance between two objects.
An engine is built to tight (or loose) clearances not tight (or loose) tolerances.
Thanks for your tolerance Keith.
Keith.