Depends alot on the year, and how many miles on the motor. Anywhere from 80lbs, and up. What you are really looking for, is a difference. One cylinder 25, or 30 lbs lower. This would indicate a dead cylinder.
120 or better
The compression ratio of a 350 Chevy engine usually ranges from 8.0 and 9.0 to 1. This provides a good balance of fuel economy and power.
8.3:1 is stock
4.000x3.750 with 8.5:1 compression
Remove all the spark plugs and turn the engine over by hand. Place your thumb over the #1 plug hole and you will feel the pressure on the compression stroke. A compression gage will also tell you when you are on the compression stroke.
Need to know what size engine it has to answer correctly.
When it was new it had 150 PSI. per cylinder
The engine would not run. The engine would lack compression.
around 80 ft.llbs. or higher is usually good.
If it was painted at all probably Chevy orange engine paint
The vacuum lines on a 2000 Chevy Silverado run between the intake manifold and multiple valves across the top of the engine. The vacuum pressure is generated by the engine's compression.
The four strokes are intake, compression, combustion, exhaust.