Mods vs. MPG
#1
Mods vs. MPG
First off, a disclaimer, there's nothing scientific about this. I'm merely sharing observations on the impact certain "mods" have on fuel economy.
Mileage is calculated the old-fashion way using only data from my daily commute. Track days and other tanks that involved aggressively spirited driving are not included. Almost all tanks are Exxon 93 (a couple here and there are Chevron or Shell 93)
21.47 - Avg MPG "stock" w/ 245/40/19s and lightweight 19's (26 tanks)
21.38 - Avg MPG after grounding kit (8 tanks)
21.96 - Avg MPG after Injen SRI (26 tanks)
20.76 - Avg MPG after moving up to 255/40's (16 tanks)
21.68 - Avg MPG Akebono + 2pc fronts (19 tanks)
21.05 - Avg MPG BC Racing (Insufficient/Irrelevant as of post date)
Sadly, i don't have full-stock numbers, the wheels went on almost immediately after i bought the car. Mods are cumulative, meaning each line down includes the mods immediately above it.
You can make your own conclusions. What i found was that the only significant change was when i moved up to slightly wider (heavier) tires, the impact of which was neutralized when the lighter Akebono calipers and lighter 2pc front rotors went on.
Overall, i may not have gained anything MPG-wise, but i surely haven't lost any either, plus the car feels better, and could very well be faster due to less unsprung weight.
Mileage is calculated the old-fashion way using only data from my daily commute. Track days and other tanks that involved aggressively spirited driving are not included. Almost all tanks are Exxon 93 (a couple here and there are Chevron or Shell 93)
21.47 - Avg MPG "stock" w/ 245/40/19s and lightweight 19's (26 tanks)
21.38 - Avg MPG after grounding kit (8 tanks)
21.96 - Avg MPG after Injen SRI (26 tanks)
20.76 - Avg MPG after moving up to 255/40's (16 tanks)
21.68 - Avg MPG Akebono + 2pc fronts (19 tanks)
21.05 - Avg MPG BC Racing (Insufficient/Irrelevant as of post date)
Sadly, i don't have full-stock numbers, the wheels went on almost immediately after i bought the car. Mods are cumulative, meaning each line down includes the mods immediately above it.
You can make your own conclusions. What i found was that the only significant change was when i moved up to slightly wider (heavier) tires, the impact of which was neutralized when the lighter Akebono calipers and lighter 2pc front rotors went on.
Overall, i may not have gained anything MPG-wise, but i surely haven't lost any either, plus the car feels better, and could very well be faster due to less unsprung weight.
#5
Back on topic, thanks for sharing your results soundmike, always curious how different wheel setups, mods, etc., affect mileage.
#7
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