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The worldwide owner-to-owner online support system for the Chevrolet Caprice PPV
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 Post subject: Re: Octane
PostPosted: Thu Aug 31, 2017 10:52 am 
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Joined: Wed Mar 27, 2013 11:47 pm
Posts: 388
Location: Pittsburgh, PA
I see MPG increases on both my B-Body cars and PPV with higher octane fuel. The timing tables shift, which is a good thing. But since my owners manual for my 2011 always said to use 87, I haven't bothered using anything higher. Perhaps I will now if it makes a difference.

One other thing I thought was funny about the user manual pic posted earlier -- read the section about "Use of Seasonal Fuels". Specifically this gem: "Drive the vehicle with the engine running until the fuel is a half tank or less."

Um, let me see someone DRIVE it down to a half tank or less WITHOUT the engine running. LMAO :lol:

_________________
Tom (AKA: Storm)
2011 Caprice 9C3: L77, 7K miles, first-owner, purchased July 2011.
1995 Caprice 9C1: LT1, 176K miles, summer car.
1995 Impala SS: LT1, 20K miles.
1995 Caprice Wagon: LT1, 61K miles.
1995 Caprice Wagon: LT1, 128K miles. Rust In Pieces
1994 Caprice 9C1: LT1, 101K miles, winter car.
1969 Chevy C30: 383ci stroker, 4L80E, rollback car hauler.
1972 Chrysler Newport: 400ci big block, 27K miles, 2-door hardtop.
1969 Dodge Charger: 383ci big block.


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