invmartycExplorerApr 09, 2014What grade of gas does your large gas engine requireWith the big V-8 and V-10 engines do you have to burn a higher octane than regular unleaded? Back in the days of muscle cars you had to burn premium. Does that apply to big blocks in RVs?
dayaksterExplorerApr 09, 2014The previous owner of my 97 Allegro Bus said he ran regular too. Thanks for the question as I was in need of opinions also.
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