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

Yellow Jacket · 05-13-2012, 10:02 PM

You can do it with Amsoil full synthetic. In fact, you can leave it in for a year and it'll last 25,000 miles. I've been using it in all my cars since 02 and it is fantastic.

05-13-2012, 10:02 PM	#15
Yellow Jacket Registered User Join Date: Oct 2003 Location: FL panhandle Posts: 126	Re: 4,600 Oil Change You can do it with Amsoil full synthetic. In fact, you can leave it in for a year and it'll last 25,000 miles. I've been using it in all my cars since 02 and it is fantastic.