Ask Away! with Jeff Smith: Diagnosing Ticking Noises and White Smoke in a Supercharged ’93 Ford Mustang GT
I’ve been looking online for help to figure out what is happening to my car and I thought your expertise may help. I have a supercharged ‘93 Mustang GT with a cam and aluminum heads. I noticed a slight ticking noise the other day when parked near another car. It’s not bad, but speeds up
L99 6.2L Engine Upgrade Guide: Expert Advice for L99 Mods to Maximize Performance
[Editor’s Note: This L99 engine upgrade guide is part of a series of LS engine upgrade guides assembled by a team of LS experts at Summit Racing that we are sharing at OnAllCylinders. For a primer on the entire LS engine universe, read LS Engines 101: An Introductory Overview of the Gen III/IV LS Engine Family.] … Intro
Video: Pro Tips for Cooling System Maintenance and Repair
An effective cooling system is critical to achieving peak engine performance. In today’s video, Jason Mirth, US Motor Works’ product manager for cooling systems, shares pro tips for replacing your water pump, as well as how to inspect and care for the rest of your cooling system components, which include your: Radiator Belts Radiator hoses
Here are the 2018 OnAllCylinders Readers’ Choice Award Winners
The OnAllCylinders Readers’ Choice Awards are an opportunity for readers to share their thoughts on a wide array of automotive categories. Throughout the past month, you’ve done that. Loyalties are strong, and the discussions are sometimes heated, but the voting results are always interesting. To see all of the finalists, check out: Announcing the 2018
Mailbag: Why Did Ford Change the Firing Order on the 5.0L 302 H.O. Engine?
Q: I’m building a Ford 302 engine, and I’m looking at camshafts. I’m curious—why did Ford change the firing order on the 5.0L (302) HO engine? A: This question gets a lot of mileage on internet forums, and there’s no shortage of speculation on the subject. According to Ford Motor Co. engineers, the 5.0L H.O.
Holley HP EFI System Brings Pro Stock & COPO Performance to the Masses
We’ve taken a good look at many of the Holley (and MSD) fuel-injection systems available. They range from the basic, to over-the-top, in terms of function and capability. … You May Want to Read: MSD Makes Switching to Fuel Injection Easy with Atomic EFI Master Kit Holley’s Uber-Cool Terminator Stealth EFI Another Easy Path to
Cadillac to Expand V-Series Performance Lineup with 550-HP Twin-Turbo CT6 V-Sport
General Motors is growing its V-series performance subbrand beginning in the spring of 2019 when it releases the new CT6 V-Sport, which will be fitted with a Cadillac-exclusive 4.2L Blackwing twin-turbo V8 engine that makes 550 horsepower and 627 foot-pounds of torque. GM’s product chief Mark Reuss announced the news at a Cadillac dealer’s conference
L99 6.2L Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More
Mechanically similar, General Motors’ LS and LS-based Vortec engines wound up on almost every branch of the GM family tree: Chevy, Pontiac, GMC, Cadillac, Buick—heck, even Saab, Hummer, and Isuzu got some LS love. Since LS and Vortec engines are so common, they’ve become the go-to performance and swap engines of the modern era. These motors are
Video: What to Look for When Selecting a New Clutch for Your Vehicle
There’s much to consider when replacing or upgrading a clutch in your car or truck. Today’s video is going to clarify anything you might be confused about, and help you identify everything you’ll need to know for selecting a new clutch for your vehicle that you’ll be happy with. The things you’ll need to consider
Ask Away! with Jeff Smith: What’s the Best Rotor Tip and Terminal Spacing for my Ignition System?
I have a question about the optimum distributor rotor tip and terminal gap. Modern replacement parts for our classics are all over the place, either in terms of length, cap eccentricity, or quality control in general. Rotors listed as ‘correct’ for the application differ markedly in length. So my question would be: All things being




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