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Cylinder Head Bolts: Replacing & Tightening

Cylinder head bolts clamp the cylinder head to the block. To maintain a tight leak-free seal, the bolts must the tightened in the proper sequence and torqued to specifications. But things can sometimes go wrong when tightening head bolts. This article on head bolts covers bolt stretch and loading, torque to yield (TTY) head bolts, methods of torquing head bolts, and tips on how to install head bolts the right way...

Click Here to read the full article on the Engine Builder magazine website.

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Threaded Fasteners Torque-to-Yield & Torque-to-Angle

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To More Tech Info Click Here to See More Carley Automotive Technical Articles

Head Bolt & Fastener Resources:

ARP Performance Head Bolts


Look Up Head Bolt Torue Specs by year/make/model/engine(Fel-Pro)

Methods of Tightening Threaded Fasteners

TorkSpec (free online bolt torque specifications)

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cylinder head bolts, fasteners

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