How much torque for exhaust bolts?
Every vehicle has different levels of torque necessary to properly tighten its bolts. The standard is to use 20 to 30 foot-pounds of torque.
Do you need to torque exhaust bolts?
You should have a torque wrench and manual. But you can also get by without it. You can “feel” the tightness for things like rearsets, slider spools, etc which usually require 12-16 ft lbs and also more vital bolt areas like the exhaust header bolts which can be like 26.
Are Grade 8 bolts good for exhaust?
Can you use Grade 8 bolts on exhaust? Common practice is to replace the exhaust manifold bolts on ’94 – ’96 cars with Grade 8 hardware. They are hardened and will carry the highest tensile load, which seems to help them withstand the heat cycles the bolts are exposed to.
How much torque do you need for an exhaust nut?
Each has its own process for achieving proper torque and successful installation. In general, all nuts are secured following a progressive, higher torque sequence. For example, the nuts require 60-ft.-lbs. of torque. Begin by torquing nut one, two and three to 20-ft.-lbs.
What are the torque specs on a Pontiac?
Torque Timing Cover to Intake Bolt first, THEN torque remaining Intake Manifold Bolts
What happens if you torque the exhaust flange?
Exhaust flanges that are improperly tightened or torqued can cause many problems, including exhaust system leaks; associated component failure of gaskets and studs; and premature system fatigue and failure. loading… If playback doesn’t begin shortly, try restarting your device.
Where does the tightening sequence start on an exhaust manifold?
Typically, the tightening sequence begins in the middle of the manifold while working your way out evenly between both sides. Be sure to review manufacturer’s recommended torque sequence for each application.
What are the torque specs for stock bolts?
These specs are for stock-type bolts with light engine oil applied to the threads and the underside of the bolt head. Moly and other lubes offer reduced friction and increased bolt tension, which will affect the torque figure. If you use after-market performance bolts like ARP’s, you should follow the recommended torque specifications.
Each has its own process for achieving proper torque and successful installation. In general, all nuts are secured following a progressive, higher torque sequence. For example, the nuts require 60-ft.-lbs. of torque. Begin by torquing nut one, two and three to 20-ft.-lbs.
What are the torque specs for a Ford engine?
Ford Engine Bolt Torque Chart Fastener Type Torque Spec Harmonic damper bolt 70-90 ft-lbs. Flywheel / flex-plate bolts 75-85 ft-lbs. Pressure plate bolts 35 ft-lbs. Front cover bolts 12-15 ft-lbs.
What should the torque be on an ARP bolt?
If you use after-market performance bolts like ARP’s, you should follow the recommended torque specifications. 40-45 ft-lbs. (45-50 ft-lbs. For Boss 351C) 105 ft-lbs. (125 ft-lbs. For Boss 351C) 40-45 ft-lbs. (53-58 ft-lbs. For 406 and 427) 80-90 ft-lbs. (100-110 ft-lbs. For 1963-67 427)