Recent Posts


Ask Away! with Jeff Smith: Bottle Brush Honing vs. Machining Cylinders on Used Engine Blocks

I just bought a used 5.3L iron block engine out of a truck. I’ve decided to put new replacement pistons and rings because I found a set of cheap take-out […]

LS Engines

LY6 6.0L Engine Upgrade Guide: Expert Advice for LY6 Mods to Maximize Performance

[Editor’s Note: This LY6 engine upgrade guide is part of a series of LS engine upgrade guides assembled by a team of LS experts at Summit Racing that we are sharing at […]

George Poteet: An Interview with the Famous Hotrodder & Speed Record Racer
Car Culture & Entertainment / News & Car Culture

George Poteet: An Interview with the Famous Hotrodder & Speed Record Racer

George Poteet is known across the automotive universe as a gearhead with exceptional taste in hot rods and an unquenchable thirst for speed. He’s the guy who works with some […]

Featured Vehicles

Lot Shots Find of the Week: 1985 Chevy Camaro

When was the last time you saw a clean, stock 3rd-gen F-body? We’re guessing it was back when there were just three Star Wars movies. Let’s be clear—upgrading a car […]

Video: Measuring Power & Torque Gains From a Cam Swap in a 5.0L Ford
Tech Articles / Tech Projects / Videos & Galleries

Video: Measuring Power & Torque Gains From a Cam Swap in a 5.0L Ford

In today’s video, engine builder Richard Holdener is going to show you the dyno results of a previously modified 5.0L Ford engine before and after a cam swap (and unplanned […]

This is what the Internet looked like way, way back in the ancient days of 2007. (All Images/The Internet Archive Wayback Machine - Summit Racing)
News & Car Culture

Website Wayback: A Visual History of & the Digital Aftermarket

Yes, websites are officially old enough to be considered historical. (Now get off our lawns!) To commemorate Summit Racing Equipment’s 50th anniversary, we’ve been taking a look back at important […]


Mailbag: Chevy 350 Engine Tuning for Quicker Launches

Q: I have a Chevy Caprice with a 350 4-bolt main, a 292 Lunati cam with .480” of lift, and a high-rise intake with a 750 Holley carb. My heads […]

Steve Torrence (Top Fuel), J.R. Todd (Funny Car), and Vincent Nobile (Pro Stock) were winners Sunday at the 19th Annual NHRA Four-Wide Nationals at the The Strip at Las Vegas Motor Speedway. While this is the 19th year of this spring race in Las Vegas, it was the first ever to feature four-wide racing. (Image/NHRA)

NHRA Wrap-Up: Torrence, Todd & Nobile Win 4-Wide Event in Las Vegas

Steve Torrence raced to the Top Fuel victory Sunday at the 19th annual DENSO Spark Plugs NHRA Four-Wide Nationals at The Strip at Las Vegas Motor Speedway to put the […]

Parts Bin: Mag Daddy Magnetic Fasteners
Product Profiles

Parts Bin: Mag Daddy Magnetic Fasteners

How would you like to easily install a anchor point for your vehicle’s wiring with no drilling or other permanent modification? Yeah, thought so. Mag Daddy fasteners use super-powerful magnets […]

Make sure the spark plug is not too short. This photo shows what happens when a too-short 0.460-inch reach spark plug is used in a Vortec head. Note how the electrode is absolutely buried inside the spark plug mounting threads. You can barely see the ground electrode. This absolutely kills combustion efficiency. (Image/Jeff Smithi)

Ask Away! with Jeff Smith: How Much Power Can I Make By Adding Ported Vortec Heads to My SBC Engine?

You did a tech answer around two years ago which was about adding a set of Vortec heads to a small-block Chevy. How much of a horsepower gain could you […]