Tech

You’ve got questions, we’ve got answers. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we’re helping a reader time his engine. Q: I have a 1956 Chevy with a 300-horsepower 350. It’s hooked up to, and sends power to, a 12-bolt rear axle with 4.11 gears. My

Camshafts and lifters are available in two basic formats—roller and flat tappet. And then within those two formats, they can either be of the mechanical (solid), or hydraulic variety. Fair enough. That should come as no surprise to most people reading this. But what makes up a flat tappet lifter? They’re typically hollow steel and

You’ve got questions, we’ve got answers. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we’re recommending a drivetrain combo to breathe more energy and efficiency into a tired old 350 small block V8 engine. Q: I have a 1972 Impala with a tired 350 engine, Turbo Hydra-Matic

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 that first) and it doesn’t sound like it’s going to work for me. The only thing the salesman said is that it will work is

You’ve got questions, we’ve got answers. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we’re troubleshooting ignition problems on an uncooperative small block Chevy swapped into a Monte Carlo. Q: I own a 1984 Monte Carlo SS with a stock 350 out of a 1974 4×4 pickup

If you are a mall crawler—a Jeeper who never takes your Jeep to the rocks, wash-outs, and shale hills that make for exciting wheeling; you needn’t read further. Your Jeep’s steering and suspension systems are more than stout enough to last for as long as you own the Jeep. However, if you’re more like me—and

Editor’s Note: Mike Mavrigian must do nothing but build engines and write stories about them. We have visions of his shop, Birchwood Automotive, set deep in the woods with Mavrigian keeping little forest creatures for friends. His latest engine build is a 427—well, it’s a hybrid of sorts that blends the best of the Gen 1 small

You’ve got questions, we’ve got answers. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we’re troubleshooting a backfiring problem on a 427 big block Chevy. Q: I have a 1974 Olds Omega with a 427 cubic-inch big block Chevy. The engine has an Erson cam (292-degree duration,

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 power with the same boost. On the last cam—and the biggest one—the power went up again but the boost went down. Shouldn’t the power go

As we get older, our eyes age right along with our other muscles. We can enhance our muscles with exercise and better tools, but other than wearing glasses, we can’t improve our eyes with exercise. So, to improve our vision we must improve our tools—in this case, Rigid Industries LED light fixtures. Rigid offers lights