Tech

Gasoline or E85 ethanol-blended fuel? David Freiburger and Steve Dulcich at Engine Masters wanted to find out which makes more power and by how much. So they grabbed a 489-cubic-inch, 13.5:1 compression […]

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 […]

In the first installment of our ’68 Mustang project build, we detailed the pre-install prep on our 408 cubic-inch Windsor from BluePrint Engines that would replace the original 289. Now […]

You’ve got questions. We’ve got answers. We work with the Summit Racing tech department to tackle your automotive-related conundrums. This week, we’re recommending a camshaft, torque converter, and rear-axle gear ratio […]

Not long ago, few people had ever heard of an air shifter. Today, at every drag strip in the world, they’re about as common as a radial slick. Wherever they’re […]

You’ve got questions. We’ve got answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re helping a reader troubleshoot a misfiring Mopar 440 in a 1968 Dodge Charger. Q: I […]

I have a question. I am building a 427 cubic inch Dart motor with LS3 heads and a Kenne Bell 4.2L blower. I am looking for maximum horsepower out of […]

I recently bought a really awesome street Camaro with a 355ci small-block, a Super T-10 4-speed, and a 12-bolt with 4.10 gears. The engine runs really great and pulls hard […]

You’ve got questions. We’ve got answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re suggesting upgrades for a supercharged 1959 Chevy Pickup with a 400 small block motor. Q: […]

Engines are often identified by their displacement, like the ubiquitous Chevy 350, Mopar 440, or Ford Five-Oh. But displacement alone isn’t always the best differentiator, and nowhere is that more […]