wow....I'm enjoying all this 'v8 hotrod talk' although it is over my head!
I have an Infiniti Q45 Sport w/IMPUL Body Kit. Bone stock 4.5 liter w 340hp, 5 speed auto, 2:76 rear ratio.
I run 245/50/18 (27.7") on stock rims instaed i=of the factory 245/45/18 (26" dia).
I also have 265,000 miles. My best hwy mpg has been 32MPG
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