D15Z1 vs three stage vtec
Both have a 12v mode... Then crossover mid 2000s.... Same compeession ratio as well... Im wondering if you drove a 3-Stage VTEC like a vx (with vx trans also) could you get same fuel mileage?..
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Current garage
- 1979 mustang street/strip
- 2010 Hyundai Accent GS 5-Speed (hate this things final drive)
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