Ask Away! with Jeff Smith: Choosing the Largest Camshaft Isn’t Always a Good Idea
I have a 496 Chevy and I want to go with a tunnel ram. What is the largest cam I can go with? It is going in a rat rod […]
Ask Away! with Jeff Smith: Replacing an Antiquated Distributor on a Small Block
I have a 302 Ford in my street rod and have been using the Mallory Unilite distributor for years. Lately it’s been acting up and I can’t buy parts for […]
Ask Away! with Jeff Smith: Optimizing Gear Ratio for Overdrive at Cruising Speeds
I have an early 70s Chevelle and I am planning for either a 700R4 or maybe a 4L60E. The car right now has a mild big-block 454 and I’m looking […]
Ask Away! with Jeff Smith: How to Tune the Idle Speed on a Self-Learning EFI System
I recently bought a FiTech Go EFI fuel injection system for my big-block Chevelle. The engine is a 468ci big-block with a mild hydraulic roller cam, a TH400, a warmed-over […]
Ask Away! with Jeff Smith: How to Choose (or Build Your Own) PCV System to Control Oil Vapor
I have a 472-cubic-inch engine in my ’69 Cadillac and I have a problem with oil vapor covering my nice new aluminum valve covers. I had a PCV valve on the […]
Ask Away! with Jeff Smith: Vacuum Advance and How it Relates to Part-Throttle Timing
Our tech column seems to be gathering quite a following of guys who want to know more about their cars and engines. One reader posted a comment (below) in response […]
Ask Away! with Jeff Smith: Converting a Draw-Through Carburetor to Blow-Through
I have a 850 Mighty Demon carb marked BC 56. The carb is designed for use with a Roots or draw-thru supercharger. I want to use it for blow-through using a […]
Ask Away! with Jeff Smith: How to Increase Compression on the Cheap
Is there a cheap way to increase compression on my small block Chevy? I have a 350 small block with iron heads. I don’t know much about the engine because […]
Ask Away! with Jeff Smith: A Step-by-Step Guide to Curing Engine Hesitation
My neighbor kid just bought a ’69 C10 pickup with a 350 small block with a Holley carburetor an aluminum intake, cast iron exhaust manifolds, and a TH350 automatic. He’s […]
Ask Away! with Jeff Smith: External Fuel Pump or In-Tank Fuel Pump for My EFI?
I’m thinking of installing an electric fuel pump in my ’69 Mustang. It has a small block and carburetor on it right now and eventually I’m going to run one […]