Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum - View Single Post - Synthetic oils
Thread: Synthetic oils
View Single Post
Old 10-26-2012, 11:57 PM   #17
Ford Fiend
TboneZX3's Avatar
Join Date: Oct 2011
Fan#: 90494
Location: Jackson, MO
What I Drive: '01 ZX3, '12 SE Sport

Posts: 2,529
Points 1,716, Level 24
Points: 1,716, Level: 24 Points: 1,716, Level: 24 Points: 1,716, Level: 24
Level Up 16% Completed
Level up: 16% Level up: 16% Level up: 16%
Forum Activity 7%
Activity: 7% Activity: 7% Activity: 7%
FF Reputation: 12 TboneZX3 Great Standing Member
Buy-Sell-Trade Rating: (0)
Originally Posted by felixthecat View Post
What is a NOACK spec? So Pennzoil Ultra is the best, say compared to Mobil 1?
The NOACK volatility test determines the evaporative loss of engine oil at high temperatures. The lower the NOACK spec, the better, or less evaporative the oil is.

Originally Posted by cbdallas View Post
I've switched to Pennzoil Ultra only because of the lower NOACK numbers. 6.4% vs 11% for Mobil1.
HN #90
Mk3 |╠╬╝|SGM|203a|Moonroof|17" Paint/Mach Whls|K&N 57S-4000 -snorkel|FFE RMM|Steeda STB, RSB|JBR bushings
Mk1|╠╬╝|Pitch Blk|Prem pkg|Moonroof|SVT Snorkel|SVT Susp|Steeda STS|Z-Eng RMM|Magnaflow exh
TboneZX3 is offline  
    Reply With Quote