Take it from a guy who has worked on old farm equipment...
Soak the grease in diesel fuel - it softens it up - and then go nuts with the pressure washer. Remember Soaking longer is always better.
But when you get to the really tough stuff - its scraper time!
My Two Cents!
FYI, I was cleaning the 45 year old 292 short block. It, too, had hardened grease caked onto it. I realize now that the hardened grease is just like asphalt; a mixture of tar and sand. Jeepers, that stuff is hard to loosen.
I mixed a solution of Red Devel lye and laundry detergent in water. Works great on the grease, but it's rough on the hands.
I'll try the diesel fuel tomorrow, maybe mix it with lye and detergent. I'll post the results.
Your leftover auto tranny fluid makes a very good degreaser. Soak the area well and then pressure wash it clean. i have used this with very good results. Cant beat the price and much easier to wash away than you might think.
[updated:LAST EDITED ON 14-Aug-02 AT 11:16 PM (EST)]Knock off the big stuff and try oven cleaner. For final clean up before paint use lacquer thinner and astiff parts brush,followed by soap and water.JK34
[updated:LAST EDITED ON 18-Aug-02 AT 11:40 PM (EST)]Aw, heck Paul - I just go after it with a grit blaster. MORE POWER - Uuuhhh Uuuhhh Uuuhhh.
It takes longer to remove the crud than to remove rust since the crud absorbs a lot of the impact energy of the grit but it's a lot easier on my old elbows and hands than scraping it off. On the other hand, it's a lot harder on the paint and anything else you may not want to remove!
So take that baby out back on a BIG plastic sheet, jack 'er up on BIG stands, and have at it with a BIG grit blaster! Nothing like a little wanton destruction with MORE POWER to do your soul some good.
Oh yeah, put your beer back in the shop before you start unless you like crunchy stuff at the bottom of the can.
"Some call me ... Tim." ... Monty Python Group
Truck restoration - does the fun ever start?
See my 1956 F-250 in progress at Earl's World
I found a trick to use with sludge caked on the inside of valve covers by accident. I would lightly wash the inside of the valve covers with a paintbrush and gas, wait five minutes and do it again. Drain all the liquid off, and lay the valve cover out in the hot sun for about four hours. After that, I would lightly tap the cover with a hammer. All the sludge, even the stuff behind the baffels, would fall off and you would be left with bare metal. No scraping or other work. The gas dries out the varnish and it shrinks and cracks in the sun. Any disurbance then makes it fall off. Probably works with just smoothe surfaces.
You can lead a person to information, but you can't make them think.
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