Most Recent Video. This standard picnic table is made unique in the easy to build instructions. Featuring ample seating and a sturdy top, paint yours a bold bright color to brighten up any outdoor (or indoor) space. Special thanks to our readers for sharing their photos.
Step 18 - Each intake and exhaust valve utilizes a spring which will return the valve to its original position (closed). If a valve spring has broken or a cam lobe has worn down, it will cause the engine to misfire and run rough due to the loss of compression.
Engine Overheating: A hot engine is more likely to suffer spark knock than one which runs at normal temperature. Overheating can be caused by low coolant, a defective fan clutch, too hot a thermostat, a bad water pump, etc. A buildup of lime and rust deposits in the head and block can also reduce heat transfer.