Well, my gasket catalogs aren't up to date, but: 1930 McCord says tighten all gradually (mfrs chart if available etc)(they actually recommend three circuits to tight!) then "go over...tightening them again after the motor has been run long enough to heat thoroughly." 1939 Victor says: CAST IRON heads: "final tightening ...after motor has been run a few hours and has been thoroughly warmed up. It will be found that nuts can be drawn down further." ALUM heads: "...let the motor run hot (I assume they meant operating temp)and then let it cool. After it has cooled tighten the bolts to the final tension." Cleaning threads is always recommended; some torque lists have different values for oiled and dry threads.
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Today's Featured Article - A Lifetime of David Brown - by Samuel Kennedy. I was born in 1950 and reared on my family�s 100 acre farm. It was a fairly typical Northern Ireland farm where the main enterprise was dairying but some pigs, poultry and sheep were also kept. Potatoes were grown for sale and oats were grown to be used for cattle and horse feeding. Up to about 1958 the dairy cows were fed hay with some turnips and after that grass silage was the main winter feed. That same year was the last in which flax was grown on the farm. Flax provided the fibre which w
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