Re: Rusted in grub screw.
(Post 28 Para 1) I've never quite resolved this in my head, David- something hydrocarbon based with low surface tension also tends to evaporate quickly- so i look at the offending article 30 minutes later and think- has it gone in or has it merely evaporated..? If i have the time to do so, it's sometimes the case that i'll use something a little more viscous like 3 in 1 provided i can wait a day, in the knowledge that it won't all have gone to atmosphere by the time torque is applied.
As to why i tried pump fuels experimentally, this was on a cost per litre basis compared to aerosol cans off the shelf. (Most of the Sulphur has been removed from Diesel so it's likely inferior compared to 20yrs ago anyway.)
Dave
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