Arp Connecting Rod Bolts Torque Specs

Aftermarket axle full thread thread in 12pt 1 2 20 x 1 950 uhl new kit.

Arp connecting rod bolts torque specs. We ve done the testing where we can measure the torque applied and the resulting pre loads. These preloads can be attained in a connecting rod by applying proper torque using a torque wrench or by measuring the amount of stretch in the bolt using a stretch gauge it is known that a bolt stretches in proportion to the tension in it. Beb 08 beb 09 beb 14 beb 15 and beb 19 need 65 foot pounds of torque if you are using oil or 45 foot pounds of torque if you are using arp lube. Arp head studs main studs rod bolts torque and stretch specs.

Arp supported speed demon 715 sets new land speed record new kit. 13 9 5 1 3 7 11 side of cam cover closest to intake seat each camshaft by pushing it towards the dizzy side of cylinder head. Not all bolts listed are currently available step 3. The torque values represented here are intended to be for general information only not for specific installations.

If the rod is titanium take extra precautions to avoid damaging the plasma coating on the big end sides of the rod. This is information that you can never find when you need it so here is a table for the arp head studs main studs and rod bolts torque specifcations and stretch specs. If you use aftermarket performance bolts like arp s you should follow the recommended torque specifications. Crower 90894 is arp ultra torque lubricant.

Screw in rocker arm studs. Taking the necessary precautions to protect the rod surfaces secure the rod in a vise and leave the cap free to float. Rod bolts with part no. If you have a number that looks like this ap3 300 1lb.

Install fastener hand tight. Beb 1 and beb rv60 need 55 foot pounds of torque with oil and 38 foot pounds of torque with arp lube. Appropriate preloads are specified for each arp bolt. First let s be clear.

Answer id 4925 published 04 12 2018 08 59 am. Apply arp ultra torque to fastener threads and the underhead of the bolt or underside of the nut. If you re not using our specs and our lube you have no real idea what pre load you re getting. Torque remove connecting rod bearing cap nuts.

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. Arp provides torque specs for our fasteners based on using arp ultra torque. The calculation of those values is solely up to the rod manufacturer. Ford power stroke 6 7l custom age 625.