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Old 13-02-07, 12:23
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David Pope
 
Join Date: Jul 2003
Location: Eston, Sask, Canada
Posts: 2,251
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It all depends on how badly it's seized. With a flathead it's easy to take the heads off and hone out the visible rust. Then start with the diesel fuel in the cylinders treatment for a week or so. The best way to get a lot of rotating pressure is to pick a cylinder that's on the top half of its stroke that has the valves closed and screw a high pressure washer hose into the spark plug hole and turn on the pressure. You get the same forces as on a hydraulic cylinder. If you use two pressure washers on the proper cylinders you can alternate from one washer to the other and move everything back and forth until it frees up. I've seen some pretty sorry looking motors freed up this way.
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1940 Cab 11 C8 Wireless with 1A2 box & 11 set
1940 Cab 11 C8 cab and chassis
1940 Cab 11 C15 with 2A1 & Motley mount & Lewis gun
1940 Cab 11 F15A w/ Chev rear ends
1941 Cab 12 F15A
1942-44 Cab 13 F15A x 5
1942 cab 13 F15A with 2B1 box
1943 cab 13 F15A with 2H1 box
1943 Cab 13 C8A HUP
1944 Cab 13 C15A with 2C1 box
1943 Cletrac M2 High Speed Tractor
MkII Bren gun carrier chassis x 2
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