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Old 03-05-2018, 09:50 AM   #9 (permalink)
Ecky
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Join Date: Dec 2011
Location: New Zealand
Posts: 5,097

ND Miata - '15 Mazda MX-5 Special Package
90 day: 39.72 mpg (US)

Oxygen Blue - '00 Honda Insight
90 day: 58.53 mpg (US)
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As for putting an older motor into the newer car, the HF's engine probably doesn't have the power to push your Civic down the road, with the same gearing the HF had, since your car is so much bigger. It may even be less efficient, since it's a non-VTEC motor without coil packs. It was really the whole packaging of the HF that made it an efficient vehicle.
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