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ec. nebr. | With the initial bolt torque method of 13-15 ft.lbs. plus 90 degrees turn in pattern, repeat 3 times = 270 degress. Torque can be over 300 ft. lbs each bolt or more when all done! Take that times the number of head bolts. That is some kind of pressure. Now consider the engine running under power- - @ 560 HP. Then figure heat cycles-heating up- cooling down. You get the picture? The pip can't fix a design flaw. That engine is at it's max. limit or more. More Cubic inches bigger at that power would surely help relieve this stress.
Edited by flyboytoo 4/19/2024 13:15
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9560RT head cracked and spun cam bearing
