Octane requirements for HP500?
#11
Are you guys talking about fuel injected motors? What about a 502 carbed motor 9.1 compresson..Locked timing at 34 MSD . I use 93 octane now.
Can I use 89 octane safely?
Can I use 89 octane safely?
Last edited by 35fountain; 02-26-2012 at 03:13 PM.




