Welcome to the Ford Mustang forum built for owners of the Mustang GT350, BOSS 302, GT500, and all other S550, S197, SN95, Fox Body and older Mustangs set up for open track days, road racing, and/or autocross. Join our forum, interact with others, share your build, and help us strengthen this community!
Went with Redline 5w-50.Decision was made primarily when doing oil research and seeing all the Amsoil propaganda littering the internet. . .<ducking any responses from Amsoil dealers\shills> ::)
Mechanical Engineer for 25 years, mostly for two major computer/IT companies; but in between I have stints in the residential HVAC and oil & gas industries (geophysical exploration).
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