People always ask this question like its a magic answer .It dosn't have anything to do with who made the bolt what company .Its got to do with the bolt it self what grade it is what is the thread pitch how many threads per inch.So the finer the thread the more torque it will take the courser thread the less torque .It sounds like a frame to body bolt your talking about so its course and 1/2 3/8 in 40 to 45 lbs is fine likely their are 10 to 12 other ones just like it holding the body down that means you have about 500 ft lbs evenly holding the body to the frame .
SOURCE: head bolt torque spec
Always use new head bolts.
1)tighten to 40ft/lbs
2)back off 1/2 turn
3)tighten back to 40ft/lbs
4)tighten an additional 90 degrees
5)tighten an additional 90 degrees.
SOURCE: head bolt torque specs for 2000 dodge neon 2.0 SOHC
I have the specs and diagrams. If you want me to send them to you, give me your email address. [email protected]
SOURCE: I need the torque specs for the connecting rod cap
Step #1 40lbs PLUS Step#2 1/4 turn 90 degrees.....this is for 3.3 & 3.8
SOURCE: head bolt torque specs for 200 honda accord 3.0
its a three step process 1st 29ft/lbs 2nd 51ft/lbs 3rd 72.3ft/lbs
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