Ask Away! with Jeff Smith: Determining Correct Spark Plug Heat Range
How do I tell the correct heat range spark plug for an engine? – Mark S. Jeff Smith: Simple questions sometimes require a bit longer answers. This is one of those […]
Ask Away! with Jeff Smith: Why Do I Keep Killing Alternators?
I did a LS2 swap in my ‘54 Belair. The engine came from an ‘05 GTO. It has a modest stereo system operating on a 10-amp fuse. It has a 16-inch […]
Ask Away! with Jeff Smith: Engine-Building Strategies for 700 HP in a Vintage El Camino
I’m asking this for a friend and I know you will have suggestions. He’s building a vintage El Camino and has decided on an LS swap. He wants 650-700 hp […]
Ask Away! with Jeff Smith: Bottle Brush Honing vs. Machining Cylinders on Used Engine Blocks
I just bought a used 5.3L iron block engine out of a truck. I’ve decided to put new replacement pistons and rings because I found a set of cheap take-out […]
Ask Away! with Jeff Smith: How Much Power Can I Make By Adding Ported Vortec Heads to My SBC Engine?
You did a tech answer around two years ago which was about adding a set of Vortec heads to a small-block Chevy. How much of a horsepower gain could you […]
Ask Away! with Jeff Smith: Should I Use Fine-Wire Spark Plugs in a Small Block Chevy?
I’m confused. I see all kinds of opinions about iridium and platinum spark plugs versus the normal copper plugs. Some say they’re good while others say not to use them […]
Ask Away! With Jeff Smith: Troubleshooting Lockup Converter Problems on a 700R4 Transmission
I recently purchased a’71 Camaro with a small-block and a 700R4 overdrive trans. The guy who I bought it from said the trans has a lockup converter and that everything […]
Ask Away! with Jeff Smith: Fixing a Dangerous Front-Wheel Shake in a Vintage Chevy II
I have a Chevy II with a 355 cubic inch small-block and a Muncie four-speed. Over the years, I’ve made some small suspension modifications with Global West De-A-Lum bushings. On […]
Ask Away! with Jeff Smith: How to Build a Custom Fuel Line for EFI
I’m building an in-tank fuel pump for a fuel injection conversion in a ’69 Nova with a small-block. I have no experience running lines for relatively high pressure injection stuff. […]
Ask Away! with Jeff Smith: Explaining 6-, 8-, and 10-Speed Automatic Transmission Gearing
I see where Summit Racing lists a TCI transmission that was originally a 4L80E – but they list it as a six-speed transmission. I’ve heard a little about this—did they […]