Re: Rusted in grub screw.
-Nope, have a re-read Scim. WD40 was only superior to Diesel/Paraffin/Petrol and all blends of same, on simple steel nut/bolt scenarios- and the results were repeatable enough to average out different levels of seizure within the test pieces. I don't believe or claim it's superior to plus-gas, heave ho or even ATF mixes, even if it were true it would rekindle a discussion that's been on and off for decades, to no-one's advantage.
..mine's not on the bench, it's on the doorpost! (Phew..)
Dave
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