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Recommended Fuel Question....

1008 Views 1 Reply 2 Participants Last post by  vsd
With regards to the 4.9L V8 that was a Cadillac mainstay up until the N* really took over, I was wondering something.........I read here (scroll to bottom) that the recommended fuel for it is 'premium unleaded'. Is that true?? And if so.....what would be the risks one would take if he used regular??
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