Lq4 Arp Head Bolt Torque

The safe way is to get your rods.

Lq4 arp head bolt torque.

Cylinder head bolts final pass all m11 bolts in sequence excluding the medium length bolts at the front and rear of each cylinder head. Never reuse old tty bolts. 2003 and earlier blocks use 155 5mm long bolts in holes 1 8 and 101mm long bolts in holes 9 10. Stock style cylinder head bolts are torque to yield fasteners.

Arp provides torque specs for our fasteners based on using arp ultra torque. I decided to run arp rod bolts on my build. Chevrolet ls gen iii iv 6 2l lt1 except ls7 ls9 cracked cap design 8740 rod bolt kit. Today s critical head studs and bolts main studs and bolts and driveline have been designed stronger than ever before to handle the extreme loads.

If you have an aftermarket connecting rod with an arp bolt please use the chart below to contact the rod manufacturer for the stretch torque value. Lubricate the bolt threads and bottom of the heads of each bolt with arp ultra torque fastener assembly lubricant. Aftermarket axle full thread thread in 12pt 1 2 20 x 1 950 uhl. The calculation of those values is solely up to the rod manufacturer.

While the bolt is being torqued. Install fastener hand tight. Make sure you use the right specs. 18 lb ft.

Lots of conflicting information about these bolts and how you should install. If you have a number that looks like this ap3 300 1lb. Cylinder head bolts first pass all m11 bolts in sequence 22 lb ft. Apply arp ultra torque to fastener threads and the underhead of the bolt or underside of the nut.

The final torque angle is different. The torque values represented here are intended to be for general information only not for specific installations. The result is accurate and consistent preload. Duramax 6 6l l5p head stud kit arp supported speed demon 715 sets new land speed record new kit.

For engines that use m12 head bolts like the lsa and ls9 refer to your gm service. Then install the bolts and tighten hand tight. The id chamfer side of the washer must face the bolt head. As a results installation pre loads the amount the fastener is stretched during installation are very high.

Crankshaft position sensor bolt.