Tech

I have an all-steel ’41 Willys with an all-aluminum 498ci Keith Black HEMI with a Don Hampton 8-71 supercharger and an EFI system using electronic fuel injectors located under the hat. The engine makes killer power and it has a TH-400 trans behind it with a 9-inch rear and a spool. The car cruises down

Learn the basics of oil pans for both Ford and Chevy engines by watching this Summit Racing Quick Flicks video. In the video, you will learn about oil pans, oil pumps, gaskets, and the hardware you’ll need to be familiar with. If you’re getting ready to install, rebuild, or replace your stock oil pan or

You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re troubleshooting drivetrain vibration. Q: I have two questions about my truck. It’s a 1994 Chevy C1500 pickup with a 4.3L Vortec V6 engine. I purchased it from  my uncle, who converted it from a manual transmission to a TH-700-R4

[portfolio_slideshow id=33751] When Chevy’s small block debuted in 1955, it didn’t take long for it to be regarded as a marvel of performance engineering, particularly when it came to its innovative valvetrain. Its lightweight, ball and stud, stamped rocker arm configuration allowed it to turn unheard of (for that era) engine speeds. It wasn’t long

Oversteer and understeer are terms used to describe steering sensitivity in vehicles. We’re going to introduce you to both conditions, and talk about the ways they can be corrected, if so desired. You can also learn about it the Top Gear way here. … Oversteer Rear tire drift is greater than that of the front, and the rear

In this video, Billy Godbold, chief cam designer and astrophysicist at COMP Cams, explains how COMP Cams’ conical valve springs help control heat and friction by dampening spring vibrations and provide much longer spring life than cylindrical or even beehive designs. The conical springs are perfect for the racer wanting to run a more-aggressive camshaft, COMP

You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re answering some basic valvetrain-related questions. J.H.  Kegley, WV Q: Here are a few questions I have in regard to the valvetrain on my 1979 Chevy 3/4 ton 4 x 4, which has a 305-cubic-inch Chevy engine: Can you use

I recently read a story in a national publication that struck me as interesting and worth dissecting. The story tested the addition of a tall, long runner EFI intake manifold versus a production LS1 intake. I’ve recreated the curve in the charts and graphs included here. The test showed that the baseline combination using the

[portfolio_slideshow id=33574] When it comes to reworking the brakes on your car, two things seldom come into consideration: your master cylinder and pedal ratio. And those are two factors that are absolutely critical to your brake system performance. The brake pedal acts as a lever to increase the force the driver applies to the master cylinder. The master cylinder,

Installing a trailer brake controller is a piece of cake on a truck or SUV already equipped with a towing package. It’s usually as simple as plugging a wiring harness into your vehicle. It’s a little more complicated on vehicles without towing packages because you have to splice the wiring yourself, but it’s a simple-enough