Ask Away! with Jeff Smith: Compression Looks OK—So Why is My SBC 350 Engine Using So Much Oil?
I have a small block Chevy 350 that uses a terrible amount of oil. I did a compression test of all the cylinders with the results ranging from 155 psi […]
Ask Away! with Jeff Smith: What Will a Compression or Leakdown Test Tell Me About My Oil Consumption Problem?
The 383 in my ‘68 Road Runner is lightly modified with a 750cfm Holley carburetor, headers, Edelbrock RPM dual plane intake, Mopar electronic ignition, and a mild hydraulic cam. I’ve […]
Ask Away! with Jeff Smith: How to Choose (or Build Your Own) PCV System to Control Oil Vapor
I have a 472-cubic-inch engine in my ’69 Cadillac and I have a problem with oil vapor covering my nice new aluminum valve covers. I had a PCV valve on the […]
Mailbag: Why is My Rebuilt Engine Still Using Too Much Oil?
Q: I have a Ford 390 engine. I had the block re-bored and was told to use moly piston rings. When I was finished with the rebuild, the engine began to […]
Ask Away! with Jeff Smith: What’s Causing Excessive Oil Consumption in My Engine?
I’m having a problem with the small block 383 in my Impala. The engine was new about two years ago, but I keep having problems with the spark plugs loading up […]
Quick Tech: How to Reduce Oil Consumption in GM LS Engines
It’s a fact: GM LS engines consume excessive amounts of oil. Supercharged or turbocharged engines, as well as engines regularly run to the rpm limit, use even more. One reason for […]