piston rings : Danny's Engineportal

Worn Piston Rings: A Guide to Blow-by and Installation

02/19/2026

What are the First Signs of Worn Piston Rings? The most common indicator of internal engine wear is engine blow-by. This occurs when the seal between the piston and the cylinder wall fails. If you […]

Engine Compression – What Can Cause, Low Or No Compression

12/28/2025

So, engine compression is the pressure created, inside each of the engine’s cylinders. And, low or no compression leads to, incomplete combustion and misfires. Symptoms of low engine compression can be, an illuminated (CEL) and […]

How To Do A Cylinder Leak Down Test – With Or Without A Tester

12/02/2025

Doing a cylinder leak down test, can tell you more about your engine than you think. Also, it can spot issues in specific areas, that other tests will not. So, a cylinder leak down test, […]

Low Compression Causing Misfires – Is It A Mechanical Malfunction

07/25/2025

First, low compression can be caused by a number of different issues, resulting in a misfire. So, let’s say you have ruled out ignition and fuel delivery, as the cause of the misfire. Then, that […]

Compression Test: How To Do It, Dry Or Wet – Review The Results

01/29/2025

Doing a compression test, is a good way to measure the condition of the rings, cylinders, and valves. So, if your engine is running rough or is lacking power, consider doing a compression test. Also, […]

Valves And Piston Rings Seal Compression

Valves and Piston Rings: Problems, Causes and Solutions

11/15/2024

Valves and piston rings, are crucial for your engine to function properly. Aside from your head gasket, these are the parts that are responsible for, sealing the combustion chamber. Most of the time, valves and […]

Piston With Piston Rings and Their Location

Engine Piston Rings – How Do They Work – How Can They Fail

07/22/2024

First, engine piston rings, have one of the most important jobs. Because, they seal the combustion chamber, while dissipating heat. And, they need to ensure that no oil reaches the combustion chamber, while keeping the […]

Wet Compression Testing Is A Step Up, From A Regular Test

04/21/2024

AFTER YOU HAVE DONE A BASIC COMPRESSION TEST, THE NEXT STEP IS, WET COMPRESSION TESTING. Above all, an engine needs a good seal between the rings, and the cylinder walls. Also, between the valves, and […]

Cylinder Bore Deglazing – Purpose – Proper Crosshatch And Angle

03/03/2024

The cylinder bore deglazing process is basically, removing the glaze from your engines cylinder walls. Because, having the proper finish, is extremely important in helping with, proper piston ring lubrication. So, without proper lubrication, heat […]

Mechanical Engine Misfires – What Are They – How To Find Them

02/27/2024

Mechanical engine misfires, will not go away by themselves, and will only get worse over time. So, mechanical engine misfires, can be serious enough to cause, noticeable vibrations or even engine backfires. Unlike air to […]