Preprint / Version 1

Effects of Gearing, Vehicle Architecture, and Calibration on fuel economy

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DOI:

https://doi.org/10.31224/8424

Keywords:

highway fuel economy, fuel economy, gearing, torque converter lockup, torque converter, diesel vs petrol, aerodynamic drag, rolling resistance, vehicle tuning, ECU tuning, short-ratio gearbox

Abstract

This study compares real-world highway fuel economy across six vehicle platforms under standardized operating conditions to examine the effects of vehicle architecture, gearing, transmission behavior, and selected modifications on cruise efficiency. Testing was conducted on a flat out-and-back route using an 80-100 km/h duty cycle, ambient temperatures of 29-31°C, air conditioning set to 20°C, and a tank-to-tank fuel measurement method with three runs per vehicle.

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Author Biography

Siddharth Dindakurthi, 0435428330

Engineering student building validated systems through simulation, CAD and Python. Interested in defence tech, robotics, medical devices, mobility and deep-tech research.

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Posted

2026-10-05

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Copyright (c) 2026 Siddharth Dindakurthi

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.