TIRES + TERRAIN: Automotive Guides, Tools & Industry News

Guides

Air to Fuel Ratio: The Foundation of Engine Tuning

Simon Cousins•August 3, 2025
3D tuning map showing a colour gradient surface from red to blue, labelled “AFR” at the top and featuring a lambda (λ) symbol in the corner, set against a dark, stylised background.

Recent Articles

Front three-quarter view of a red BMW Z3 M Roadster with the top down, featuring the iconic BMW M tri-colour stripes in light blue, dark blue, and red. The car is positioned in front of a large stylised “Z3” logo rendered in M colours, with a vintage film grain overlay on a black textured background.
Guides

BMW Z3: The Ultimate Roadster No One Talks About

Simon Cousins•6/1/2025
Side-by-side comparison of a ProCharger centrifugal supercharger (left) and a Magnuson Roots-style positive displacement supercharger (right), showcasing their distinct designs and compressor housings.
Guides

Procharger vs Roots: The Best Supercharger For Your Build

Simon Cousins•5/5/2025
Green engine coolant being poured from a black container into a yellow funnel, against a plain background.
Guides

The Truth About Engine Coolant: It’s More Important Than

Simon Cousins•4/13/2025
Engineer inspecting a Ford-Cosworth Formula 1 V8 engine at the 1990 Hungarian Grand Prix, featuring individual throttle bodies with red velocity stacks and exposed exhaust headers mounted on a stand in the paddock area.
Guides

Race Engine vs Street: Understanding the Differences

Simon Cousins•4/1/2025
A close-up of a chrome Tesla emblem on a glossy white car body.
News

Tesla Kicked Out of Vancouver Auto Show

Simon Cousins•3/20/2025
© Jonathan Borba
Guides

How Sustainable Fuels Can Improve Engine Performance

Simon Cousins•3/13/2025
U.S. President Donald Trump walking and waving, dressed in a navy suit, white shirt, and red tie. In the background, the front grille of a red Kia vehicle is partially visible. Bold white text overlays the image, reading “TRUMP TARIFFS,” indicating a discussion about automotive tariffs during his 2025 presidency.
Guides

Trump Tariff Tax: Why Your Next Car Will Cost More

Simon Cousins•3/4/2025
A white Tesla Model X captured from a high rear angle at dusk, showcasing its illuminated taillights, sleek aerodynamic design, and black multi-spoke wheels. The car’s rear spoiler and tinted windows add to its futuristic aesthetic.
Guides

EV Market Growth: The Hype Cycle

Simon Cousins•2/19/2025
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