Does Amsoil 5-30 meet GMs specs?
Melting Slicks
Joined: Apr 2009
Posts: 2,479
Likes: 36
No. Their website just states that their oil can be used when you require a GM4718M spec oil. But if you read it carefully, they never state that their oil meets the GM4718M specification. It is a little misleading if you ask me.
Team Owner
Joined: Mar 1999
Posts: 22,025
Likes: 192
From: At the beach in little Rhody
Before you throw away Amsoil, I used it for quite some time in my Vette (now using GC) and the used oil analyses were outstanding. There are many oils out there that are not certified that will likely not only meet the GM standard but exceed it. GC, Amsoil and Redline come to mind.
Last edited by vettenuts; Nov 2, 2009 at 10:16 PM.
Race Director
Joined: Jan 2008
Posts: 16,028
Likes: 170
From: oregon
redline and amsoil should be above any factory standard. redline i know for sure uses a fairly expensive process to refine their oil. bearing load and heat tests look great. tons of good info on google about this. the ferrari guys are really in love with redline in the high rpm screamers
Last edited by racebum; Nov 3, 2009 at 02:28 AM.
Corvette Stories
The Best of Corvette for Corvette Enthusiasts
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer
Brett Foote
10 Things Every Corvette Owner Needs (2026 Edition)
Michael S. Palmer
8 Most "Only Corvette Owners Understand" Quirks and Problems
Pouria Savadkouei
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years
Joe Kucinski
How Much Horsepower Every Corvette Engine "LOST" in 1972
Joe Kucinski
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!
Michael S. Palmer
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!
Joe Kucinski
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter
Joe Kucinski
