Mailbag: Engine-Swap Tips for a Mild-Performance ’85 Chevy Camaro IROC-Z (Image/Pinterest)
3 Must-Have Pet Accessories for Cars, Trucks & SUVs Make sure Schmoopy rides in style, and prtect your interior too.  (Image/Covercraft)
Parts Bin: Trick Flow PowerPort® 175 Cylinder Heads for Ford 390-428 (Image/HotRod.com)
Axle Exchange: How to Measure a Rear End to Fit Custom Axles Next, we measured from the axle-housing flange back toward the plumb line. The passenger side measured 25.875-inches while the driver side checked out at 26.875-inches. What’s going on here? Even though the axle tubes welded to the center section are exactly the same width, there’s an inch difference in actual axles. That is the pinion offset. To double-check the numbers, add the pair of measurements together (25.875-inches + 26.875-inches = 52.750-inches). They should be the same as the axle flange-to-axle flange number. (Image/Wayne Scraba)
Tech Articles Next, we measured from the axle-housing flange back toward the plumb line. The passenger side measured 25.875-inches while the driver side checked out at 26.875-inches. What’s going on here? Even though the axle tubes welded to the center section are exactly the same width, there’s an inch difference in actual axles. That is the pinion offset. To double-check the numbers, add the pair of measurements together (25.875-inches + 26.875-inches = 52.750-inches). They should be the same as the axle flange-to-axle flange number. (Image/Wayne Scraba)

Axle Exchange: How to Measure a Rear End to Fit Custom Axles

Adding big power to your car regularly comes with consequences. Hardware that normally doesn’t flinch is suddenly hard pressed to keep up with the demand. Add big, sticky tires and […]

Product Profiles Make sure Schmoopy rides in style, and prtect your interior too.  (Image/Covercraft)

3 Must-Have Pet Accessories for Cars, Trucks & SUVs

Whether your dog is your copilot or your cat just loves certain cars, here are some essential vehicle accessories to ensure Mr. and Mrs. Scruffles ride safely and comfortably. Any […]

LT Engines (Image/LSX Magazine)

How to Identify an LT Engine (Gen 5) by VIN

Before you begin your engine project, you need to know exactly what you have—and when it comes to General Motors’ Gen 5 LT small blocks, it’s currently a lot easier […]

LS Engines (Image/GM Corporate Newsroom)

LSA 6.2L Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More

Mechanically similar, General Motors’ LS and LS-based Vortec engines wound up on almost every branch of the GM family tree: Chevy, Pontiac, GMC, Cadillac, Buick—heck, even Saab, Hummer, and Isuzu got some […]

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Vehicle Guides

2019 Chevy Camaro Parts & Vehicle Information

(updated 2/16/2018) About the 2019 Chevy Camaro The Chevy Camaro entered its sixth generation in 2016. While the car improved upon the fifth-generation models (2010-15), the main bit of negative […]

(Image/LSX Magazine)
LT Engines

How to Identify an LT Engine (Gen 5) by VIN

Before you begin your engine project, you need to know exactly what you have—and when it comes to General Motors’ Gen 5 LT small blocks, it’s currently a lot easier […]

(Image/GM Corporate Newsroom)
LS Engines

LSA 6.2L Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More

Mechanically similar, General Motors’ LS and LS-based Vortec engines wound up on almost every branch of the GM family tree: Chevy, Pontiac, GMC, Cadillac, Buick—heck, even Saab, Hummer, and Isuzu got some […]

(Image/MustangandFords.com)
Tech Articles

Ford Alphabet Cam Specs: E303 vs. B303 vs. F303 vs. X303

Ford’s famous Alphabet Cams (a.k.a. Letter Cams) have been around for decades and are often the go-to choice for Mustang owners looking for more performance from their 5.0L engine. Ford Performance […]

(Image/Automobileman.com)
LT Engines

LT4 6.2L Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More

This is an engine specification guide for General Motors’ fifth-generation supercharged LT4 engine that launched in 2015. GM has built two different engines designated as the LT4: 1996–1997 LT4 – Gen II, 5.7L, […]

(Image/OnAllCylinders)
Featured Vehicles

Lot Shots Find of the Week: 1931 Ford Model A Hot Rod

A parking lot is a parking lot—unless it’s the Summit Racing parking lot. On any given day or time, the lot outside a Summit Racing store can turn into an […]

Say Happy Valentine’s Day with Gearhead Candy Hearts
Car Culture & Entertainment

Say Happy Valentine’s Day with Gearhead Candy Hearts

Happy Valentine’s Day! Or, if you prefer, (in a wooden and laconic tone of voice): Well, flippity-doo. It’s Valentine’s Day again. Neato. Whether you’re in the mood for romantic sonnets […]

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LS Engines

LQ4/LQ9 Engine Upgrade Guide: Expert Advice for LQ4 & LQ9 Mods to Maximize Performance

[Editor’s Note: Because the LQ4 and LQ9 engines are so similar, we’ve combined them for this engine upgrade guide, which is part of a series of LS engine upgrade guides assembled by a […]

Video: The Dangers of Overfilling Your Brake Master Cylinder
Videos & Galleries

Video: The Dangers of Overfilling Your Brake Master Cylinder

When it comes time to add brake fluid to your brake system, you’ll do it at the master cylinder. But it’s not as simple as topping off the reservoir and […]

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Q&A

Mailbag: Aluminum vs. Steel Roller Rocker Arms in High-Mileage Fleet Vehicles

You’ve got questions. We’ve got answers. We work with the Summit Racing tech department to tackle your automotive-related conundrums. This week, we’re talking about aluminum vs. steel roller rockers and rocker […]