Mailbag: Rich-Running Ford 302 Won’t Shut Off in Mustang II King Cobra—Please Help
Q: Under the hood of my Ford Mustang II King Cobra II is the original 302 bored .030 over. It has flat top forged pistons, Sealed Power chromoly rings, a […]
Mailbag: A Recipe for Making 600 HP in a 400 V8-Powered ’69 Firebird
Q: I bought a 1969 Pontiac Firebird a few weeks ago. I has a factory 400 V8, which I’m told makes 345 horsepower. I’d like to get 600 horses out […]
Video: How a 4-Stroke Engine’s Piston Motion & Valve Events Work & Why it Matters for Cam Selection
In previous articles, we’ve talked about the importance of Considering Individual Timing Events When Choosing a Cam to help us determine the duration, lobe separation and advance needed. This is especially important […]
Mailbag: Recommending Parts for a 350 Engine Swap into a Chevy II
Q: My current restoration project is a first-gen Chevy II. I need your help to pick out the parts I need for the engine. The engine is a 350 LZ9 […]
Mailbag: Can I Safely Rev My 383-Powered Second-Gen Z28 Camaro Above 5,000 RPM With a Cast Crank?
Q: My daily driver is a second-gen Z28 Camaro. It has a 383 engine (3.75-inch stroke crank, 5.7-inch rods) and is externally balanced with a 400 balancer and flexplate. It […]
Mailbag: Tuning Tips for a Modified Chevy 350 in a Classic Nova
Q: I have a Chevy Nova with a GM 350 crate engine. The engine has Trick Flow 23° cylinder heads, a Lunati cam, Edelbrock Performer intake, an Edelbrock Performer 600 […]
Camshaft Secret Weapon: Choose Perfect Cam with New Summit Racing Cam Timing Calculator
It isn’t always obvious which camshaft we should choose for our engine build. Even when we fully understand the individual timing events and how each of them interact in a […]
Mailbag: Troubleshooting 440 Engine Detonation at High Altitudes
Q: I own a classic 1970 Mopar with a 440 engine. The engine is bored .040 inch over, has a forged crank, flat top pistons, and ‘452’ cast heads—the original […]
Ask Away! with Jeff Smith: Does 40% Leakdown Test Results Require New Piston Rings?
I just bought a used 5.3L LS engine out of the junkyard and after we got the engine back to the shop and mounted it on an engine stand, we […]
Mailbag: Breathing Life Into a Wheelchair-Friendly 5.0L-Powered Ford E-150 Econoline
Q: Back in the day, my buddies and I used to rule the local dragstrips. The memories! Today, I’ve got gray hair and I’m mostly stuck in a wheelchair, but […]