Tech

Q: I have a 355-cubic-inch small block Chevy. The carburetor is a Holley 1850, 600 cfm with manual choke and vacuum secondaries. My problem is, the secondaries won’t open at any […]

Intake manifold vacuum is a key indicator of engine performance. By measuring vacuum under different engine loads and conditions, you can track down problems within your engine and make the […]

If you’re planning on, or thinking about, replacing your vehicle’s stock hood hinges with aftermarket hinges, you’ve come to the right place. In today’s video, the crew at Eddie Motorsports — the […]

Q: I’m putting together a disc brake system for a custom build. What can you tell me about setting up brake pedal ratio for optimum performance? Also, what can you tell me about […]

I purchased a ’68 Camaro basket case along with a pile of parts including what appears to be a 10-bolt rear-end that was not under the car. How do I […]

In junior high science class, you probably learned about the three states of matter: solids, liquids, and gases. Chances are you didn’t spend as much time talking about the lesser-known fourth […]

Stall speed is essentially the engine rpm at which a torque converter transfers the torque of the engine to the transmission (see our earlier post on how a torque converter works). […]

Q: I’ve purchased a new harmonic balancer for the small block in my 1965 Mustang. There are three separate sets of degree marks on the balancer. Which should I use to […]

The Ridetech StreetGrip suspension was one of the most talked-about new products at the SEMA Show in Las Vegas last November. You can find out what all the buzz was about by reading this […]

Machinists and engine builders have long been taught that, when balancing a crankshaft, its counterweights should equal the weight of the rotating mass, and equal half the weight of the reciprocating mass. […]