FAQ: ARP STUD Torque Specs

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FAQ: ARP STUD Torque Specs

1. 4.7L ARP BED-PLATE STUD TORQUE SPECS

All specs. Apply to good clean threads using ARP moly lube.

11X1.25 STUDS 63 FT-LBS
10X1.25 STUDS 42 FT-LBS
8X1.25 STUDS 20 FT-LBS

IT IS NOT RECOMMENDED BUT HERE IS THE TORQUE
WITH 30-WT OIL

11X1.25 STUD 80 FT-LBS
10X1.25 STUD 54 FT-LBS
8X1.25 STUD 25 FT-LBS

NOTE SINCE USING A DIFFERENT FASTENER THAN STOCK ARP SUGGESTS TO ALWAYS CHECK TO ALIGN BORE FOR DISTORTION.

2. 4.7L ARP 8740 HEAD STUD TORQUE SPECS

11MM 8740 Head Studs

With ARP lube 80ft.-lbs.
With 40wt oil 90 ft.-lbs.

FAQ: ARP STUD Torque Specs

3. 4.7L SCAT RODS w/ARP BOLTS TORQUE SPECS

All Specs. Apply to good clean threads using ARP Moly lube

ARP 8740 7/16 CAP SCREWS – 63 ft./lb w/ARP moly
ARP 2000 7/16 CAP SCREWS – 70 ft./lb w/ARP moly