Does your trailer have grease nipples on the axles? If so, you should understand that they are for boat trailers that will be dunked under water regularly. This is what will happen to your brakes if you use a grease gun to over grease the wheel bearings.

When you fill the hub with grease that grease has to go somewhere when it gets warm and expands. That somewhere is past the inside seal and all over your brakes.

Have you ever greased the front bearings on your car? Then why do you think your trailer needs so much grease? Please tell your trailer friends.

Ed Sorbo, making the world better one post at a time.

The top two pistons are common aftermarket pistons. The bottom two are common stock pistons. The left are compression pistons and the right are rebound pistons.

The working holes are the smaller sets. When oil is moving one way through one set of small holes it is also moving past the other piston through the larger holes.

There is a shim stack that controls the flow of oil through the small holes. The larger holes, along with a spring and shim form a one way valve. AKA a check valve.

If you have not already done so, now is a good time to read:

How Your Cartridge Forks Work

The working holes look small but they only need to flow more oil than is being displaced by the cartridge rod. The check valve holes are larger because there is space to make them larger and to insure that only the other piston is doing work.

Can’t see any difference that matters? Exactly. The shim stack does the work. The piston just holds the shim stack. It’s the same in your shock.

Racing next weekend in the 200?  LE is paying $100 in certificate form to all 80 positions.  Of course you have to be using LE suspension and sporting our stickers.  Remember to stay in your tuck on the banking and to stay out of the wall shadow in the morning practice.

Not only did my new hard chrome shop do good work as you can see in the photo of Doug’s finished forks but they gave me a big coffee mug too!