Last week's 625+ mile trip through Seattle...
...I averaged almost 28 mpg. I suggest a cruise control set @ 80 helps on longer trips. Maintaining your SVX (plugs, timing belt, fuel filter, air filter, the DREADED PCV, any and all electronic engine controls) to spec certainly helps mpg. BTW, I use mid-grade gas almost exclusively, now.
But, in the final chapter, it REALLY all is centered about your right foot in non-freeway situations: fast starts and the need to apply the brakes really tears up the stop & go gas mileage. TWENTY is GOOD! if you are rip-roaring about town, IMHO!
My O2 sensors are original and I don't think I have ever had an engine light code appear in 12+ years and 121+K miles.
Knock wood! & CHEERS!
Norm
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' 92 SVX @ 185K
' 91 420SEL @ 223K!
' 88 420SEL I. @ 178K (what a buy!)
' 87 F250 @ 180K
' 93 ZX-11D @ 29K
' 93 SC400 @ 93K
2001 Valkyrie Interstate @ 6.6K (Brynhild)
Y2K NightHawk 250 @ 1,500 miles
' 88 420SEL II. @ 208K
'85 F150 @ 135K
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