Quote:
Originally Posted by MLP
Upside down jacks can, but not always, start to creep slowly out of the cylinder. So if you go that rout, you will have to keep an eye on them. You will not have an automatic warning system to let you know that the jacks are not fully up. For jacks through the floor, you can weld up a box to cover them that bolts down with a gasket. Neat and clean.
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My jacks drift down during long storage but they do alarm if it happens.