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GrnFajita · 12-31-2020, 03:05 PM

In January my son totaled our 2007 Focus ZX5 which had a new set of tires, so I was able to keep the tires & rims when they hauled it off for scrap.
The next car in the fleet behind was a 1999 Escort that benefited with an upgrade from 185/65-15 to 205/60-16 larger diameter wheel package; more frontal area, but RPM ranges stayed closer to peak torque.
Coincidentally, bolt-circle adapters required helped provide a much smoother side surface at the wheel-wells (plus smoother wheels).
Also, coincidentally, new lower ball-joints were due, so I was able to adjust the installation to keep the ride height lower.
Ignoring the odometer and calculating point-to-point of my commute showed a 10.5% improvement, netting one more day between fill-ups, which was easily noticeable.
An air-dam and belly-pans are on the list for Spring.

12-31-2020, 03:05 PM	#19 (permalink)
GrnFajita I need to get better... Join Date: Jan 2010 Location: Troy, MI Posts: 1 GrnFajita - '93 Ford Festiva L 90 day: 41.79 mpg (US) Thanks: 0 Thanked 0 Times in 0 Posts	Some mods driven by circumstances and coincidence... In January my son totaled our 2007 Focus ZX5 which had a new set of tires, so I was able to keep the tires & rims when they hauled it off for scrap. The next car in the fleet behind was a 1999 Escort that benefited with an upgrade from 185/65-15 to 205/60-16 larger diameter wheel package; more frontal area, but RPM ranges stayed closer to peak torque. Coincidentally, bolt-circle adapters required helped provide a much smoother side surface at the wheel-wells (plus smoother wheels). Also, coincidentally, new lower ball-joints were due, so I was able to adjust the installation to keep the ride height lower. Ignoring the odometer and calculating point-to-point of my commute showed a 10.5% improvement, netting one more day between fill-ups, which was easily noticeable. An air-dam and belly-pans are on the list for Spring.