Video: How a Clutch Works
While it may be easy to see why a manual-transmission vehicle needs a clutch, understanding exactly how it works is something else entirely. But the gang at Learn Engineering is wicked-smart, and they put together a cool video that will help take the mystery out of how a clutch’s various components work in harmony to
Ford Engine Bore and Stroke Guide
The Ford engine family tree has a lot of branches. You’ve got the venerable Windsor small block, plus the 385-series and FE-series big block branches, along with a trio of 351 engines—the 351 Windsor, Cleveland, and Modified. We’re now into the overhead-cam Modular motors, which advanced the Ford V8 into the 21st century. So, we thought
Photo Gallery: 2018 Detroit Autorama
By now you’ve probably seen the awesome ’57 Chevy custom that took home this year’s Ridler award, as well as the rest of the 2018 Great 8 Ridler finalists, but as is always the case at the Detroit Autorama, there were gobs of amazing hot rods and customs that just missed the cut. Here’s a
Vote Now! The Top 10 Facebook Fan Rides of February 2018
For what February lacked in days, it more than made up for in awesome fan rides. Our shortest month included outstanding customs, restorations, muscle cars, late models, trucks, boats, and more–all submitted by fans of Summit Racing’s Facebook page. Of the vehicles featured on the page, the 10 finalists below got the most likes and
Video: How to Test for a Bad Fuel Pump if Your Car Won’t Start
You hop in, turn the key, and your starter just cranks and cranks. Your engine won’t start. While the cause could be a range of issues related to fuel, compression, or spark, the fuel pump is often a likely culprit. But, before you go spending your hard-earned money on a new fuel pump, the pros
The Mahindra ROXOR is a Modern Off-Roader with Vintage Style
You’d be hard-pressed to find a vehicle that garners more affection than an old Jeep CJ. Whether it’s bouncing down a dusty trail or ambling along in a parade, everyone just seems to love the iconic off-roader. So we were positively giddy when we saw the Mahindra ROXOR—a new off-road vehicle with gobs of retro CJ
Mailbag: Why Does My 427 Engine Stop Increasing Power at 4,000 RPM?
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 exploring why a 427 c.i.d. big block Chevy street rod engine would stop increasing power once it hits 4,000 rpm. Q: I recently built a 427-cubic-inch big block Chevy for my 1937 street rod
Sportsman Racing Recap: NHRA Arizona Nationals
The NHRA continued its early-season excitement with the NHRA Arizona Nationals in Phoenix last week. If you want to read about the Pro Stock, Top Fuel, and Funny Car finishes, check out this story, but here’s a look at the Sportsman class winners. (All images/Auto Imagery) Justin Lamb – Super Stock The defending world champion
The Elite Laser 917, Summit Racing’s First Project Car
It’s not uncommon for a big automotive parts company to sponsor a project car, and Summit Racing is no exception. Through the decades, Summit Racing has supported dozens of vehicle builds—from a Factory Five Racing Mark IV Roadster and LS-swapped Miata, to a Pro-Touring Camaro and Baja 1000 Ford Bronco (and seemingly every vehicle niche in between).
Parts Bin: Billet Specialties LS Valve Cover Conversion Kit
It’s no secret that the GM LS engine is the go-to swap choice in the 21st century. Heck, gearheads are shoving the LS into darn near everything with wheels. But, while we love the motor’s performance and versatility, it does have a bit of a drawback: it looks like a modern engine. That alone can




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