Mailbag: Finding Low-End Power in a Sluggish 350-Powered 1981 Firebird
Q: I have a 1981 Pontiac Firebird with a Chevy 350 in serious need of some more low-end power! It has a Holley Dominator manifold and a 750 cfm car, […]
Ask Away! with Jeff Smith: The Truth Behind Torque-to-Yield Fasteners and Torque Angle Fastening
What’s the difference between a torque-to-yield bolt and a torque-angle bolt? I see these bolts used with newer engines. Are they the same thing? I’ve also heard that you’re not […]
Ask Away! with Jeff Smith: The Great 5.3L Truck LS Swap Debate
With all this talk about truck LS engines, I hear a lot of talk about swapping a 5.3L truck LS engine into a car. Why would you want to go from […]
Ask Away! with Jeff Smith: How to Figure Out the Intake Centerline by Just Using Cam Card Specs
Can you determine the intake centerline from reading the cam specs with the intake opening and intake closing figures listed on the cam card? Example: I have a Crane Cams […]
Ask Away! with Jeff Smith: Lobe Separation Angle (LSA) Specs—What Does a Plus Sign (+) Mean?
I’ve been looking at cam specs for the Summit Racing Pro LS Truck camshafts and I have a question. I’ve noticed that many of the specs now list the lobe […]
Exploring Growth Potential: Trick Flow Performance Upgrades to a 5.0L Ford Explorer Engine
To start things off, head on over to your local junkyard and snatch up a fresh 5.0L Mustang engine. …Wait, what’s that you say? This isn’t the late 1990s (or […]
Block Party: Summit Racing’s SPC Engine Blocks for Small Chevy May be the Best Ever
It’s not quite a Chicken Little moment where the sky is falling, but the disappearance of good Gen I small block Chevy engine blocks is a major concern. If you […]
How to Assemble Drum Brakes (A Step-by-Step Guide)
Drum brakes were standard equipment for decades. Even high-powered muscle cars were equipped with drum brakes on at least one axle. Many were equipped with drums on the front too. […]
Mailbag: Performing a Drum-to-Disc Brake Conversion on a First-Gen 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 […]
Mailbag: How to Freshen Up a Tired Powerplant
Got questions? We’ve got the answers—Mondays when the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re showing you how to give new life to a tired, old […]