2003-04 Mach 1 Registry Owners Club - View Single Post

Davidw04 · 03-17-2019, 05:27 PM

What’s everyone using? I just got some royal purple 75w90 and a bottle of fords friction modifier. Will this work or should I have gone with the 75w140?

03-17-2019, 05:27 PM	#1
Davidw04 Registered User Join Date: Jun 2015 Location: East haven ct Posts: 36	Differential fluid What’s everyone using? I just got some royal purple 75w90 and a bottle of fords friction modifier. Will this work or should I have gone with the 75w140? Last edited by Davidw04; 03-17-2019 at 06:12 PM.