Mailbag: Tips for Supercharging a 454 Engine
Q: My hot rodded Chevy El Camino is powered by a 454, bored .030″ over. The engine has a Holley 750 cfm carb, an Edelbrock RPM Air Gap intake, 8.5:1 […]
Ask Away! with Jeff Smith: What Those Nitrous Bottle Codes Mean & Why They Matter
What does this code on my nitrous bottle signify? — M.A. Jeff Smith: The stamp on your bottle represents the date it was certified—in your case December 2017. Each nitrous […]
Calibrating for the Future: Conquering the New Frontier of EFI Tuning with SAM Tech’s Jason Haynes
EFI tuning, as we know it, is over. Stick a multimeter probe in it. Gone are the days of simply setting the fuel and timing maps, then calling it good. […]
Ask Away! with Jeff Smith: Can Direct Injection and E85 Live Together in Harmony?
I drive a 2014 Corvette Stingray LT1 7 speed manual with a cold air intake and dyno tune as the only performance mods thus far. In my quest to add more […]
Ask Away! with Jeff Smith: Before Buying a New Carb to Fix Engine Stumble, Try This
I just bought a nice ’69 Dodge Charger with a 440 that I got on a really good deal because the previous owner had given up trying to make the […]
Ask Away! with Jeff Smith: When Troubleshooting Fuel Systems, Keep it Simple
Jeff Smith: Instead of the usual question from a reader, I thought the following scenario that a friend and I recently suffered through might be of help to car guys working […]
Mailbag: EFI and Rear-Axle Swap Recommendations for a 500 C.I.D. Caddy-Powered ’84 Bonneville
Q: My car is a 1984 Pontiac Bonneville with a 500 cubic-inch Cadillac engine. The engine is bored .030″ over and uses flattop pistons and Cadillac 425 heads for a […]
Mailbag: Troubleshooting a Misfiring 515-HP Chevy 377 Engine in a ’69 Camaro
Q: My 1969 Chevy Camaro has a brand new 377 cubic inch small block, a Turbo 350 transmission (4,000 rpm stall), a 12-bolt rear-end with 4.11 gears, an MSD 6AL […]
Ask Away! with Jeff Smith: Can I Put a Blower on a 383 with 10:1 Compression?
Can I put a blower on my balanced and blueprinted 383 c.i.d. stocker motor that has 10:1 compression? I just want it for looks, not to race. – G.H. … […]
How to Set-Up and Tune Holley’s Dominator EFI System (Part 2)
In part one of this two-part segment, we dug into Holley Performance Product’s top-of-the-heap Dominator EFI system. If you recall, we noted how sophisticated this system is and how user friendly […]