In my experience WD40 lasts only a few days. Canadian Tire sells stuff called 'engine storage spray' that works much better. 'Course that won't help our southern neighbours too much but there should be something similar there. :) Ken Quoting Matt Haas <mhaas@xxxxxxx>: > <snip> > >2. The block, which I thought would be ruined or at > >least not worth saving, actually looks really solid. > >One piston was rusted in, but I let it soak overnight > >with penetrating oil and then whacked it a few times > >with a mallet and finally dislodged it, but otherwise > >the other pistons pretty much slipped right out. So > >my question is this: I want to keep this block now, > >have it boiled out and re-bored, then rebuild it. How > >much should it cost? > <snip> > > You need to use some sort of coating on the machined surfaces (don't forget > about the crank and bearing caps) to keep it from rusting further. Eastwood > sells some stuff for this purpose but WD-40 will work well short term if > it's kept in a pretty dry environment. Don't bother having it bored out > until you're ready to rebuild it. > > Matt > > mhaas@xxxxxxx > Cincinnati, OH > http://www.mattsoldcars.com > 1967 Rambler American wagon > 1968 Rambler American sedan > =============================================================== > According to a February survey of Internet holdouts released by > UCLA's Center for Communication Policy, people cite > not having a computer as the No. 1 reason they won't go online. > > > > > > >