Pull the spark plugs and spray a coating of "fogging" oil into each cylinder. It's made for long-term engine storage, and will cling to the cylinder walls. Replace the plugs afterwards.
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1991 245, 61k miles, looking for a 5 speed 92-93 245 cheap.

Don't do an oil-change running - drain it and with no ignition and gas, turn the engine with new synthetic oil, "wash" out any old oil and finally drain the engine again - oil in sump doesnt do anything good, but a good oil-film inside engine is good.

Loosen all valves so no valve is open - unscrew plugs, pour some synthetic oil in each champer and turn engine by hand a few rounds. Insert plug again to "seal" champers.

Flush cooling system with clean water, flush with cleaning product for cooling system and fill up with antifreeze (?) alone.

Plug it up, wrap oil-wet cloth around manifold out- and intake and store the engine a foot or so from ground, don't waste you stand for that! It will maybe hang there for 10 years - you allready have 2 driving Volvo's!

:-)

/Soren

And after you do all that, spray the exterrior ( non aluminum, of course it won't hurt the aluminum either )metal surfaces with a protectant to keep surface rust from forming, then go to a place that sell packaging supplies and get a handful of those pouches of stuff that absorbes moisture, and set them in a large plastic bag and wrap it around the engine and sel it up.
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-------Robert, '93 940t, '90 240 wagon, '84 240 diesel (she's sick) , '80 245 diesel, '82 Mercedes 300SD

I would change the trans fluid too. The fuel is a problem. I'd run a bottle of injection cleaner through it and then add a product called "Stable". Like glycol for the cooling system, it will prevent any corrosion of the metal parts and keep the seals flexible.