The relationship between cylinders is more important than the actual number. There should be no more than a 10% difference between the highest and the lowest
I'm assuming you mean static compression ratio. There were two 350 (5.7) engines offered by Pontiac. The standard engine was around 8.5 to 1. The HO version was factory rated at 10.5 to 1.
The cylinder compression for a 1972 Pontiac 455 engine typically ranges from 8.0:1 to 8.5:1, depending on the specific model and configuration. This compression ratio is designed to accommodate the fuel quality available during that era while providing a good balance of power and efficiency. It's important to check the specific engine's specifications, as variations may occur based on factory options and modifications.
The 1993 Pontiac Bonneville takes 18 to 24 gallons of gas depending on the engine model that you purchased. This car got about 23 miles per gallon on average.
Depends on why there is no compression.
The head gasket in a 1996 Pontiac Firebird is located between the engine block and the cylinder head. It serves as a seal to prevent coolant and engine oil from leaking and to maintain compression within the engine cylinders. If you're servicing the engine, accessing the head gasket requires removing the cylinder head, which involves disassembling various components of the engine.
In a 4-stroke engine, there is one compression stroke for every two revolutions of the crankshaft. Since a 6-cylinder engine has six cylinders, each cylinder will have one compression stroke every two revolutions. Therefore, in one revolution of a 6-cylinder 4-stroke engine, there will be 3 compression strokes.
There were two 350 engines offered in 68. The standard engine was about 8.5 to 1 and the HO version which was advertised at 10.5 to 1.
4 cylinder engine 2.2 or 2.4
When it was new it had 150 PSI. per cylinder
Bad spark plug Bad plug wire Burned valve Bad piston Do a compression test to see if the problem is engine internal
On your Ford Ranger with the 2.3 or 2.5 liter four cylinder engine , with Fords twin plug ignition system : The compression plugs are on the DRIVERS side of the engine
When testing engine compression and cylinder leakage, the unit of measure commonly used is pounds per square inch (psi). Compression tests typically measure the pressure generated within each cylinder when the engine is cranked, while cylinder leakage tests quantify the amount of air escaping from the cylinder under pressure. Both measurements help assess the engine's health and efficiency.