Thread: main bolt pattern
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05-06-2005 04:19 PM #1
main bolt pattern
hi im new to this site and wanted to check it out. i have a quick tech question. i have a chevy 350 4 bolt block that i am fitted arp bolts to it. i have the torque specs but was wondering if there is a special pattern to do them in like heads. its a roller block like from 86 and up. thanks again for any help..
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05-07-2005 03:03 PM #2
i start i the middel and work out i do the torque in 3 steps use moly or oil and use the the torque specs are not the same.make shure you can thread them in by hand before so you do not get fase torque and put little moly or oil under the bolt heads do not jerk the torque wrench and do the rear cap last to set end play to do this tap the cap to front of engine and torque it to 30 and hit front of crank nose with brass hamer.do not get nuts this should move cap back so the top and bottom ride on thrust check end play with feeler gauge check top and bottom get it rigth and torque it up you may have to wedge big screw driver to move crank to front to check end play with feeler gauge .i hope this helps
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05-07-2005 03:08 PM #3
thanks for the info so quickly. i will follow what you told me. i am aware of the inner and outer bolt torque being different. thanks again..
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