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Plus or Super Gas ? [message #213825] Tue, 09 July 2013 16:42 Go to previous message
LYNN L   United States
Messages: 140
Registered: March 2005
Location: Pearland TX.
Karma:
Senior Member
I have been using premium gas to run my 500ci Cadillac motor for 10 years because premium gas nowdays is equal to less than 90 octane. The caddie is rated at 8.5 to 1 and I'm wondering if I could use the plus rated gas with 10% corn alky and run without pinging.
what do you other cadillac motor owners use?
Lynn SR.


Lynn L 76 Eleganza Cad.500 Pearland TX.
 
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