Q&A

Q&A

Ask Away! with Jeff Smith: Can I Run Solid Roller Lifters on a Hydraulic Roller Cam?

I have a small-block 350 street/strip engine that I continue to play around with. In my last session at the track, it seems like the engine doesn’t pull as hard […]

Q&A

Ask Away! with Jeff Smith: Understanding Carburetor Power Valve Channel Restrictors

I’ve read your article on carb tuning about 5 times. I have a 650 cfm SS-AN annular discharge Quick Fuel carburetor with the changeable jets behind the power valve. Are […]

Q&A

Ask Away! with Jeff Smith: Troubleshooting a Chevy 454 with a Bad Vibration at 2,100 RPM

I recently had a 1970s 454 Chevy big block rebuilt and assembled by my local machine shop for my 1971 Monte Carlo. The engine was assembled with new pistons, rings, […]

Q&A

Mailbag: Choosing The Right Fuel Pump Size for a Gen. III Hemi-Swapped Dodge D-Series Pickup Truck

Q. I’m planning to swap a Gen. III 5.7L Hemi with an Edelbrock supercharger into a third-gen Dodge D-Series pickup truck. My Question is about the fuel system: How do […]

Q&A

Ask Away! with Jeff Smith: Getting an Aftermarket Tach to Work in an LS-Swapped 1969 Chevy Nova

I have completed a 5.3L LS truck engine swap into my ’69 Nova with a TH350 trans behind it for now. We decided to use the factory ECU and an […]

Q&A

Ask Away! with Jeff Smith: Picking a Cam & Cylinder Heads for a Mild Street Small Block Chevy

I am building a mild street engine and researching my existing heads for air flow. The casting number on my cylinder heads reads 10147898: It appears these are 1995 through 1998 350ci […]

Q&A

Ask Away! with Jeff Smith: The Best Flexplate for Mating a 1994 5.7L LT1 to a TH400

I have a 5.7 LT1 from a ‘94 Trans Am I want to mate it to a ‘79 TH400 transmission. What flexplate do I need? This has been a very […]

Q&A

Ask Away! with Jeff Smith: Solving a Shaking, Hiccupping 383 Small Block Chevy in a 1971 Camaro

I have a problem that hopefully you can help. We just finished dropping my brand new 383 small block Chevy into my ’71 Camaro. I had a professional shop build […]

Q&A

Ask Away! with Jeff Smith: Diagnosing a Chevy 454 That’s Getting Water in its Oil

I have a 454 big block Chevy that I purchased from a guy online. It looked good, we pulled the valve covers and it had a hydraulic roller cam and […]

Q&A

Ask Away! with Jeff Smith: Upgrading Fuel Injectors for Better Performance in an LT1-Equipped Chevy Camaro

What would be the best injector for my 1995 Camaro? The idea is to get higher performance. Would I have to change fuel pump also? Thanks. P.B. It’s a common […]