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A wire can look perfect while its copper conductor is broken inside. Learn how to reproduce, locate, confirm and repair an intermittent harness fault

How to Find a Broken Automotive Wire Inside Intact Insulation

A car wire can be broken internally even when its insulation looks completely normal. Repeated bending, engine movement, vibration, heat or tension...
Unofficial Fairlady Z-inspired 2027 Nissan Z redesign with oval headlights, wide fenders and a ducktail spoiler

The 2027 Nissan Z Refresh Is Real—But This Fairlady Z Redesign Is What Fans...

The real 2027 Nissan Z adds meaningful performance upgrades, but this unofficial Fairlady Z rendering delivers the retro design enthusiasts wanted.
LS1 aluminum engine block showing factory 3.898-inch bore, .030-inch overbore, cylinder sleeve thickness, and core shift.

How Far Can You Bore an LS1 Block? Safe LS1 Overbore Limits Explained

The Chevrolet LS1 responds remarkably well to modifications, but there is one performance trick where enthusiasm can quickly turn an aluminum block...

Differences between the 1G and 2G DSM

The DSM is the acronym that stands for Diamond Star Motors, the partnership between Mitsubishi, Eagle and Chrysler. Most import enthusiasts have come to...

How To Test a Ford Fusion MAP Sensor

The Ford Fusion MAP Sensor in your 2.5 liter 4 cylinder engine plays a huge role in your Ford's EFI system. Otherwise known as the...

How To Adjust Idle Mixture Screws

When you are building a hot rod knowing how to affect your air/fuel ratio is a vital part of tuning and racing your vehicle....

What is the 4G63?

One of the greatest four cylinder engines to ever leave Japanese shores, the 4G63 is a powerhouse of a performer. Capable of reaching well...

How To Compression Test your Engine

If your car or truck has been running poorly and doesn't seem quite as peppy as it once did, it may be a good idea...