Engine & Exhaust

I just discovered a rocker arm on my small block that loosened up and popped off the stud. It kinda mangled the threads on the stud, so I’m going to […]

There are thousands of different pistons available from Summit Racing. They come from just about every piston manufacturer in the business and they fit every price range and almost every […]

Ford’s incredible 1969-70 Trans Am BOSS 302. Not the 2012-13 Coyote DOHC BOSS, but instead the genuine pushrod original from an era when Ford did the unthinkable repeatedly—and won! Ford’s […]

Can you give me a short explanation of what inches of mercury is and how it is measures manifold vacuum? I just don’t understand it. Thanks! J.J. This can sometimes […]

Everyone’s heard the old real estate mantra “Location-Location-Location.” And while that’s obviously important in the property game, that pithy statement also holds true for a car’s engine and transmission—even if […]

I have a 1980 Chevy Camaro Z28 that’s in really good shape with the stock 350 and the original Quadrajet carburetor. The car is all stock. Instead of making more […]

They say too much of a good thing can be bad, but does this apply to cam timing, more specifically stroker cam timing? Can you over-cam your LS stroker motor? […]

Ford’s 289 High Performance V8, introduced in the 1963 Fairlane, is something of folklore and legend. It was factory rated at 271 horsepower at 6,000 rpm with mechanical flat tappets […]

In the past, you’ve had to rev an engine pretty high to make serious power. But the latest cylinder heads and cam designs have allowed us to bring the RPM […]

I have a 2000 fourth-gen Camaro with an LS1 and a six-speed that I just bought. The car runs great—but now that I’ve had it for awhile, I’d like to […]