View Single Post
  #7 (permalink)  
Old 11-27-2021, 12:21 PM
Jim Vander Wal Jim Vander Wal is offline
CC Member
Visit my Photo Gallery

 
Join Date: Sep 2002
Location: Grand Rapids, MI
Cobra Make, Engine: FFR Challenge Car, RDI aluminum 427w
Posts: 347
Not Ranked     
Default

My builder recommended Mobile 1 10-30 when built in 2004.
Aluminum 427w approx 535hp.
As others have indicated there are many factors that determine what should be used.
Jim
Reply With Quote