Tech

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Q&A

Mailbag: Performing a Drum-to-Disc Brake Conversion on a ’69 Camaro

Q: I would like to install disc brakes on all four corners of my ’69 Camaro. It’s currently equipped with drum brakes, and they’re just not doing the trick. I’m […]

With a mild cam, decent heads, and a good carburetor and headers, 375 to 400 hp should be achievable. That may not sound like much today, but it is still 1.3 hp/cubic inch, which is pretty good. (Image/Jeff Smith)
Q&A

Ask Away! with Jeff Smith: How Much Horsepower Does My Car Need for 12-Second ETs

  I would like your opinion on my ‘61 Comet 2-door wagon. It’s a car that will be used for local cruise nights and Friday night street-legal drags. My question […]

Here’s a look at a camshaft in the process of being degreed. As you can see, the cam is driven by a Jesel belt drive, which simplifies the process dramatically (but that's another story). The 14-inch degree wheel is from B&B while the pointer is homemade. (Image/Wayne Scraba)
Tech Articles

Camshaft Degreeing Explained: Tools & Techniques for Degreeing a Cam

When a camshaft is “degreed” it means the camshaft position in the engine has been synchronized with the crankshaft position. Degreeing the cam is the only positive means to determine […]

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Q&A

Mailbag: Improving ET and 60-ft. Times in a 455-Powered 1967 Pontiac GTO

Q: My 1967 GTO has a 455 Pontiac powerplant with Edelbrock 87cc heads, .030 over Ross pistons, Total Seal rings, Eagle rods, a Crower cam (int./exh. duration 248°/252° @ .050″, […]

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Q&A

Ask Away! with Jeff Smith: Troubleshooting Hot Starting Problems in a Chevy 454

I have a ’69 Camaro with a 454. I went to fill it with gas on its first run for the spring and drove it perhaps 20 miles. After stopping […]

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Q&A

Mailbag: Recommendations for Putting a ’51 F-1 Pickup Body on a Ford Bronco Chassis & Converting EFI to Carb

Q: I own a 1986 Ford Bronco 4×4 with a 302 V8, electronic fuel injection, and a C-6 automatic transmission. The body is banged up and rusted beyond repair. I […]

(Image/Wayne Scraba)
Tech

Pro Tips for Setting Tire Pressure and Adjusting to Changing Track Temperatures

There are many questions related to adjusting tire pressure on a drag car, and it seems everyone has a different opinion. The reality is, every car will require a slightly […]

In our very unscientific test, we immersed this strip of sheet aluminum in E85 for 9 months. We allowed the fuel to completely evaporate followed by full immersion. Note the presence of actual rust on the aluminum. This wipes right off and is probably due to metal particles that were present in the tub when we added the fuel. There was evidence of very minor pitting in the aluminum strip but hardly worthy of comment. The Holley metering block was also not damaged and showed no sign of damage or corrosion. (Image/Jeff Smith)
Tech Articles

Ask Away! with Jeff Smith: E85 Pump-Gas Additives—Not Ethanol—Cause Corrosion

Hi, I was wondering if you could help answer a few questions and doubts I have about moving forward with my E85 build. I know there’s a lot of hype […]

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Tech Articles

Mailbag: How to Fix an Oil-Burning 1989 GMC 1500 4×4 Pickup

Q: The culprit is a 1989 GMC 1500 4×4 with a 350, automatic with overdrive, a 3.42 axle, and over 150,000 miles. It has recently developed a powerful thirst for […]

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Q&A

Ask Away! with Jeff Smith: Cylinder Wall Glazing – What it is and How to Get Rid of It

This may sound like a simple question, but what is cylinder wall glazing and how is it created? I hear about it all the time when people talk about piston […]