Are all exhaust flange bolts the same?
The usual options of exhaust flanges are the 3 bolt or 2 bolt types. Usually, m10 with the 2 bolt option is helpful, and an m8 bolt for the 3 bolt. The recommended grade of bolts is 8.8 tensile or higher so that you can tighten them without stretching or breaking the bolts.
Do I need gasket with exhaust flange?
An exhaust flange is a piece of metal that bolts directly to the engine of your vehicle and allows for custom headers to be fabricated. They still require an exhaust gasket between the header flange and the engine/head.
How tight should exhaust flange bolts be?
Registered. Using a long 1/2 inch swivel socket, tighten the top nut of the front cylinder head exhaust flange to 9-18 in-lbs (1-2 Nm). Tighten the bottom nut to 100-120 in-lbs (11.3-13.6 Nm). Final tighten the top nut to 100-120 in-lbs (11.3-13.6 Nm).
Can you use stainless steel bolts on exhaust?
SS bolts on an exhaust are a good idea – they will last significantly longer than standard bolts. They’re relatively unstressed. It’s a good idea to put some grease or oil on the threads to prevent galling as you tighten the bolts down as SS is a little softer.
How do you measure exhaust flange?
To measure such circle measure from the center of one bolt directly across to the center of the other bolt. The Outside Diameter is the measurement of the outside of the Flange or Gasket. The Inside Diameter is the measurement of the inside of the hole of a Flange or Gasket.
How do I connect two exhaust pipes without welding?
How to Seal the leak
- Apply an Epoxy Bond. If the hole is small enough, you can use epoxy to seal the leak.
- Wrap it with Exhaust Tape. An exhaust tape is an ideal solution if you are dealing with a larger hole.
- Use an Exhaust Clamp.
- Cover the Hole with an Aluminum Patch.
What is a split flange?
A split flange is a type of flange that can be easily installed on pre-existing piping. It is made up of two interlocking pieces that fit securely together using nuts and bolts or welding it into place.
Why are there springs on exhaust bolts?
It’s there to prevent vibrations. They keep the exhaust sealed but allows the joints to flex under engine movement.
Where does exhaust flange gasket go?
Place the gasket between the flanges. On most flange connections, there’s a small piece of pipe protruding on the inside of the flange to place the gasket on, depending on the type of application. Some front pipe gaskets are called “donut” gaskets and fit into a ball-flared exhaust pipe.