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eb145's avatar
eb145
Explorer II
Jul 01, 2013

switched to 89 octane for my 2004 dodge RAM 2500

I wanted to get a little more power out of my 5.7 L Hemi 2004 Dodge RAM 2500 4x4. The truck worked kind of hard pulling my TT up steep hills and I am not over any of my weight ratings - although pret...
BurbMan's avatar
BurbMan
Explorer III
Jul 02, 2013
DW has the same engine in her 05 Magnum and has used 89 from day 1 when the car was new. Here's what it says in the owner's manual:



Note that 87 is only recommended for the little 2.7L.

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