Big Bad Dad
Well-Known Member
I had read a couple years ago that Consumer Reports had rated Liquid Wrench as the best spray can penetrant. I found this YouTube video today with a similar result. No need to spend the big bucks,.....
WD 40 does a wonderful job of cleaning a 49 year old aluminum alternator casting, it's useless for much anything else.
I use to use Liquid Wrench,
probably still have a old can somewhere
I use the WD-40 for locks in the winter
it does well, it's not a great lubricant
it does displace water, somewhat well
I have some generic brand penetrating oil on the shelf now
A torch or heat gun & wax (or candle) method works great too
in places you can do such a thing,
draws in the wax 'like it's solder',
frees up stubborn rusty stuff
"sometimes works amazingly well", sometimes not so well
PB Blaster works very well. Nothing as far as i know beats Kroil. Kroil is all we used in power generation which has severe conditions one would never encounter with a automobileI use PB Blaster. Works great. I've heard good reports from someone using Kroil Oil, but I haven't found it in stores.