Ask Away! with Jeff Smith: Compression Looks OK—So Why is My SBC 350 Engine Using So Much Oil?
I have a small block Chevy 350 that uses a terrible amount of oil. I did a compression test of all the cylinders with the results ranging from 155 psi […]
Ask Away! with Jeff Smith: Will LT1-Style Gen. 2 Aluminum Corvette Cylinder Heads Fit on an Earlier Gen. 1 Small Block Chevy?
Can I use a set of 1992 to 1996 aluminum cylinder heads from a Corvette on an earlier small block Chevy? I have a chance to pick up a set […]
Ask Away! with Jeff Smith: Advice on Putting a 4L60E Behind a Chevy Inline 6 Engine
I’m installing a 1995 4L60E into my 1965 Chevelle that has an inline Chevy 230ci six cylinder engine. I want the 4L60E for the overdrive and versatility. The car has […]
Ask Away! with Jeff Smith: Are There Power Gains with Switching to an Electric Water Pump on a 6.0L LS?
How much horsepower would I gain by converting my 6.0L LS engine over to an electric water pump? It seems to me that the water pump is the biggest demand […]
Ask Away! with Jeff Smith: Calculating Compression Ratio on an Unknown Engine with Domed Pistons
My dad built this 383 small block Chevy probably 20 years ago. The heads are off the engine and it has domed pistons but I don’t know any details—like the […]
Ask Away! with Jeff Smith: What’s the Difference (or Advantage) Between Internal & External Balance?
I’m a bit of a rookie when it comes to engines and would like to ask about internal versus external balance. Isn’t engine balancing all the same? I don’t understand […]
Ask Away! with Jeff Smith: Can 10:1 Compression Work with 87 Octane in a Chevy Inline 6?
I am going to build a Chevy 292 inline 6 next year. I was wondering if a 10:1 compression ratio would be too high for 87 octane? Could the timing […]
Ask Away! with Jeff Smith: Solving a Slight Fuel Pressure Drop on a Carbureted Big Block Chevy V8
I have a big block Chevy engine in my 1955 Chevy with an 850 cfm Holley carburetor and a big Holley fuel pump and return style regulator. I just changed […]
Ask Away with Jeff Smith: Can I Run Open Chamber Heads on a 396 Big Block Chevy?
Can I put a set of open chamber iron heads on my 396ci big block Chevy? The engine originally used a set of closed chamber oval heads but instead I’d […]
Ask Away! with Jeff Smith: Choosing the Best LS Motor Oil for a 427 LS7 Engine
I have an LS7 427ci LS engine that came out of a wrecked, low mileage 2008 Corvette that is now in my ’69 Camaro Pro Touring car. We will soon […]