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Old 03-05-2018, 08:50 AM   #9 (permalink)
Ecky
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Join Date: Dec 2011
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ND Miata - '15 Mazda MX-5 Special Package
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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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