Ask Away! with Jeff Smith: Calculating Valve Spring Clearance for Existing Cam
I bought a set of TFS valve springs (PN 16918-16) for my Summit 8702 cam for an LS engine and I realized these springs are only good up to a […]
Ask Away! with Jeff Smith: Cost-Effective Ways to Increase Low-End Torque
I’ve been reading you for years at various magazines like PHR, Hot Rod, and Car Craft. I’ve been curious about the lower end of the torque curve. Looking at various […]
Project Firebolt: The LSX Turbo Tacoma (Part 8): The Turbo Arrives & Exhaust Build Begins
Back when I built Thunderbolt, my LS3 Miata, I had a very clear project plan laid out. I wasn’t the first person to do an LS-based drivetrain conversion on a […]
Mailbag: Tips for Lifter Replacement in a Ford 460
Q: I have a vintage Lincoln coupe with a 460ci engine that’s bored .030″ over, has a 214°/224° @ .050″ flat tappet cam, an Edelbrock 750 cfm carb, headers, and […]
Four-tify Your LS: Summit Racing Stage 4 Pro LS Camshaft Test
So what would you do if a company called you and offered up a 5.3L test motor? Now what if these same guys gave you their blessing to throw the […]
Mailbag: Getting a 3rd-Gen. Buick Skylark to Fly
Q: We have a 3rd-Gen. Buick Skylark. Under the hood is a 350 bored over .030, with a 750 cfm Holley carb, Edelbrock Performer RPM intake, Federal-Mogul pistons, a 284°/284° […]
Ask Away! with Jeff Smith: Cam Swap Tech for 5.3L LS/Vortec Engines
I’ve seen in a 4.8L LS engine story where you used a COMP short duration hydraulic roller cam and the engine made really good power. That cam, if I recall […]
How to Install Exhaust Heat Shields to Protect Your Truck Bed
Exhaust heat shields manufactured from stainless steel or electrogalvanized steel can be used to protect your truck bed from the heat generated from your exhaust system. Our friends at MAR-K—makers […]
Video: Installing a Summit Electric Fuel Pump in a ’79 Cherokee
A while back, I got my 1979 Jeep Cherokee back on the road after swapping in some full width ¾-ton axles, 63-inch Chevy leaf springs with a shackle flip in […]
Mailbag: Basic Advice for Swapping an LS1 into a C3 Corvette Stingray
Q: I want to put a fuel injected LS1 engine into my C3 Corvette Stingray. The car has a 4-speed transmission, air conditioning, power brakes, and power steering. Can you […]