Ask Away! with Jeff Smith: Troubleshooting Idling Problems in a 429 Ford
I have a 429 Ford in a Torino I bought about five months ago. The previous owner told me it has a flat tappet hydraulic performance cam but he didn’t […]
Ask Away! with Jeff Smith: Making Valve Lash Adjustments with Little Engine Information
I just bought a cool ’70 Camaro with a 396 motor in it. The guy I bought it from said it had a “hot rod” camshaft in it. It idles […]
Ask Away! with Jeff Smith: How Do I Drive My Pro Street Car at Highway Speeds Without Damaging Gears?
I have a Pro Street car with a big-block Chevy, TH400, Dana 60 and 4.30 gears. I just bought this car a few months ago. The gear ratio is what […]
Ask Away! with Jeff Smith: Clean or Replace Corroded Fuse Boxes to Cure Random Non-Battery-Related Power Loss
I just bought a ’68 Olds Cutlass from a local guy. It’s in really great shape and I got a good deal because the previous owner was fed up with […]
Ask Away! with Jeff Smith: Will My New EFI System Work With My Setup?
I just bought the EZ-EFI and I’m still waiting for delivery. I have a 455 Pontiac. For the last couple of days, I’ve been reading up on it (should’ve done […]
Ask Away! with Jeff Smith: Here’s Why More Engine Boost Doesn’t Always Mean More Power
I was watching a dyno test video the other day with a couple of cam swaps on a supercharged LS3. On the first test, a slightly bigger cam showed more […]
Ask Away! with Jeff Smith: Exploring Parasitic Power Loss in an Autocross Car
I have a small-block, four-speed early 1970s Camaro that I race in autocross. How much horsepower do the following items use on a small-block at 6,000 rpm? Even a guesstimate […]
Ask Away! with Jeff Smith: Using Master Cylinder Math to Solve Brake Pedal Woes
I have a ’64 El Camino that has been converted to front discs using 1970 Chevelle parts. I was told that I should change the master cylinder as well, […]
Ask Away! with Jeff Smith: Why You Should Locate Fuel Pressure Regulators Near the Engine
I am making plans for an LS-swapped Chevelle with all kinds of cool parts, so I’m building the car in my head. I’ve seen lots of people use that Corvette […]
Ask Away! with Jeff Smith: How to Identify Gasket Leaks and Fix Them
I have a 383 c.i. small-block Chevy that I recently rebuilt and installed in my ’72 El Camino. Unfortunately, it appears that the rear main seal is leaking. I’m pretty […]