Q&A

Q&A / Tech

Mailbag: Which Converter is Better for My Vehicle…Lockup or Non-Lockup?

Q: I am choosing a torque converter for my 1970 Nova with a 430 horsepower 383 stroker and a 4L60 transmission. I see lockup and non-lockup options. My understanding is that a […]

Q&A

Ask Away! with Jeff Smith: Getting the Best of a Chevy 307 Without Blowing it Up

I have a 1971 Chevrolet 307 that I’ve decided to hot rod. In my search to find the best setup, I’ve had many different answers, mostly from helpful suggestions to […]

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Mailbag: What is Engine Quench?

Q: What is engine quench? … A: Quench is the distance between the top of the piston at TDC and the cylinder head surface. It is also called “squish” or […]

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Ask Away! with Jeff Smith: Roller Upgrade for Small Block Chevy 350

I am considering buying the basic Chevrolet 350 c.i.d. crate engine. I’ve heard lots of good things about it. I’d like to upgrade to a hydraulic roller cam at the […]

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Mailbag: Can I Use an EFI Kit to Control Ignition Timing?

Q: Can I use a fuel injection system to control my ignition timing? … A: Yes. Most fuel injection kits will work with your existing ignition system. All they really […]

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Mailbag: How Does an Ignition Coil Work?

Q: How does an ignition coil work? … A: Ignition coils are electrical transformers. They convert low voltage to high voltage through a process called induction. There are various designs, […]

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Ask Away! with Jeff Smith: Troubleshooting Stripped Cylinder Head Bolts

I’ve got an old, 327 c.i.d. small-block Chevy that I started to replace the heads with a better set. My problem is I’ve stripped the threads on two head bolts […]

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Ask Away! with Jeff Smith: Bearing Clearance, Cam & Oil Pump Advice for SBC Build

I have a 350 c.i.d. small-block Chevy that I’m rebuilding. It has Wiseco forged pistons with a 1/16-inch ring package and 10:1 compression, good I-beam rods, and a good steel […]

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Ask Away! with Jeff Smith: Figuring Piston-to-Deck with Protruding Pistons

I’m building a Chevy 350 engine for my son’s circle track race car. I started out with a 0.040-over block that I think has been severely decked but I’m not […]

Hooker headers
Q&A

Mailbag: Will These Exhaust Headers Fit my Vehicle?

Q: How can I figure out if these headers will fit my vehicle? … A: Exhaust headers are designed to fit a specific combination of engine and vehicle. Just because a […]