Posted by JoshuaGA on February 10, 2008 at 18:06:16 from (74.244.197.228):
In Reply to: Frozen engine block posted by Dan-IA on February 10, 2008 at 12:03:20:
I don't know about welding. Cast parts, especially cast iron, cracks when heated in a localized spot. If you just take a rod to it, I bet the crack jist moves somewhere else. At the least, it needs to be heated everywhere surronding the crack, welded while hot, and be allowed to cool extremely slow. Dad lost a good 504 to a bad block, and IH did not supply any new 504 engines, so the tractor was traded. If it is a sleeve, just resleeve it. If it is the block, and it isn't highly pressurized, cold weld aka JB Weld may be best. Then again, if it was an M, a block or even an entire engine may be the cheapest and most economical choice, especially for a working tractor.
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Today's Featured Article - Engine Valves - Some Helpful Information - by Staff. Intake - On the intake stroke the piston moves doward, sucking in carburized fuel through the open intake valve. Exhaust valve is closed. Compression - With both the intake and exhaust valves closed, the pistons upward stroke compresses or squeezes the fuel into the combustion chamber. Firing - Ignited by the spark, the compressed fuel explodes and forces the piston downward on its power stroke. Intake and exhaust valves are closed. Exhaust valves and seats are exp
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