Driveline / Q&A / Tech

Ask Away with Jeff Smith: Choosing a Torque Converter for an LS-Swapped Chevy S-10 with a 4L60E

I was wondering if you could help me. I have a ‘99 Chevy S10 with an LS1 engine that has a long crank and iron heads. We are trying to […]

Driveline / How Tos / Videos & Galleries

Video: How to Choose the Right Yoke for Your Ford 9″ Rear End

1310, 1330, 1350…what do those numbers mean? And why should you care when it’s time to pick a yoke for your Ford 9 inch rear end? This helpful video from […]

GM Differential Ring Pinion Size Measurements
Driveline / Q&A / Tech

Mailbag: How to Identify GM Differential Carriers

Q: I have a 1970 El Camino with a 12-bolt differential and 4.11:1 ring and pinion. I’m not sure if it’s the original gear ratio, but I want to change […]

Mailbag: Understanding Optimal Cruising RPM and its Impact on Engine Performance
Driveline / Q&A

Mailbag: Understanding Optimal Cruising RPM and its Impact on Engine Performance

Q: What is the ideal cruising RPM, and why is it important? A: Cruising rpm—that is, the speed at which your engine’s crankshaft rotates at a given sustained speed—has an […]

Driveline / Tech / Tech Articles

Clutch Tech: Matching the Right Components for Optimal Pedal Feel

Hydraulic clutch throwout bearing conversion kits deliver smooth action, improved header clearance, and reduced free travel. Available for many popular applications, from Ford Model A to late-model muscle, they require […]

Driveline / Q&A / Tech

Mailbag: Which Converter is Better for My Vehicle…Lockup or Non-Lockup?

Q: I am choosing a torque converter for my 1970 Nova with a 430 horsepower 383 stroker and a 4L60 transmission. I see lockup and non-lockup options. My understanding is that a […]

Brakes & Suspension / Driveline / Tech Articles / Wheels & Tires

Guide to Troubleshooting Drag Race Traction Issues

In a perfect world, a race car would always hook anywhere. It would go down the track straight, it wouldn’t rattle the tires, and it wouldn’t lose traction somewhere down […]

Driveline / Q&A / Tech Articles

Ask Away! with Jeff Smith: Choosing a Transmission for Big Block-Powered Cruiser

I am building a ‘72 Caprice as a tribute patrol cruiser. I am pulling out the original 400 SBC and replacing it with a big-block 454 just so the look […]

Driveline / Engine & Exhaust / Tech Articles

Flywheels 101: Choose the Best Flywheel for your Engine and Application

Chances are you don’t give much thought to that metal disc spinning inside of your bellhousing. However, choosing the best flywheel for your vehicle application will greatly affect performance, drivability, […]

Driveline / Tech / Tech Articles / Videos & Galleries

Video: 5 Common Torque Converter Issues–and How to Avoid Them!

In this video, the experts at Summit Racing Equipment cover five of the most frequent transmission torque converter issues discussed with customers. This includes vehicle performance-related issues that can be […]