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How to wire a car from scratch

Wiring a car from scratch doesn’t have to be a daunting project.

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How to make track time both safe and fun

Can driving on track be both fun and safe? Yeah–it's kind of the whole point.

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Just how similar are the Lotus Elise and Tesla Roadster?

The Lotus Elise inspired the original Tesla, but how deep does the DNA go?

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How are treadwear ratings determined? It’s not how you think.

How does a tire really get a treadwear rating? We did a little digging–and the results might surprise you.

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How to improve aerodynamics with a virtual wind tunnel

Welcome to the future, where virtual aero testing happens in a virtual wind tunnel.

Four generations in, is the NA Miata still the best answer?

The GRM staff knows rad-era cars, as we’ve been driving them since they were new–like the NA-chassis Mazda Miata.

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How to stitch together a bulletproof rear end

Items left on our Mustang’s to-do list: Source a rear axle and properly suspend it.

Tested: Does a shorter, lighter tire always equal more speed?

Comparing the Nankang CR-S in three different sizes to find out if size really does matter.

Why an air-cooled 911 is the rad-era legend we really wanted

The GRM staff knows rad-era cars, as we’ve been driving them since they were new–like the Porsche 911 Carrera.

GRM+ | Pontiac
#TBT | Not a warrior from the wasteland, but a Pontiac Fiero kart

This wild tube-frame autocrosser has familiar roots: The Pontiac Fiero.

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