WebOct 17, 2010 · Joined Apr 26, 2008. 57 Posts. Discussion Starter · #1 · Oct 17, 2010. I have completed the compression test on my 5.3L. The engine will soon turn over 170,000 … Each cylinder’s pressure should be checked and compared to the remaining engine cylinders’ pressures. There should be no cylinder with a pressure less than 75 percent of the … See more An unusually high compression testmight be an indication of carbon deposits in the cylinder, engine compression test. See more When a cylinder does not show any compression, it might indicate moreserious concerns (piston damage, missing valve, etc) that must be … See more
5.3-liter Chevy Engine Problems: What Should You …
WebJul 6, 2010 · first do a cylinder compression test on engine to verify good engine compression this should be around 110psi to 175 psi check for vacuum leak, intake … WebOct 1, 2004 · Cranking compression is the pressure, measured in pounds per square inch (PSI) that builds inside your cylinders when the valves are closed and the piston moves … dwight hunter caribou maine
How to Increase Engine Compression on the Cheap
Webof mercury, equivalent to about 14.7 PSI. This is known as Standard Temperature and Pressure, or STP. It seems reasonable that the published 8N compression ratio of 6.2:1 therefore should yield a maximum cylinder pressure of about 91 PSI (6.2 X 14.7). However, compression of a gas WebFeb 15, 2024 · The oil pressure should range between 20 to 30 psi when Chevy 5.3 is idle. The Chevy 5.3 engine should range between 45 to 70 psi at driving speed, equivalent to … WebMar 29, 2024 · It can also be caused by faulty hydraulic lifters, the wrong camshaft timing, a damaged head gasket, cracked cylinder walls, or a too-rich fuel mixture that’s washed the cylinder walls. Let’s look at each of these possibilities a little more in-depth. 1. Leaking Valves Or Valve Seats. dwight hs