Monday mailbag

Q: How is exhaust runner volume measured and how does it affect performance? … A: Exhaust runner volume is the measure of the passage from the exhaust valve to the […]

Q: Do I need hub centric rings for my new wheels? … A: We recommend using hub centric rings on all aftermarket aluminum wheels that will accept them. Hub centric […]

Q: Can I use an older GM automatic transmission with an LS engine? … A: Yes. There are three exceptions in the LS engine family for what we’ll discuss here […]

Q: What is valve spring coil bind? … A: Coil bind happens when the valve spring is fully compressed. The coils of the spring contact each other. This stops the […]

Q: What is valve overlap? … A: Overlap is when the intake and exhaust valves are open at the same time. It is expressed in degrees of crankshaft rotation. Not […]

Q: What is an oil restrictor? … A: An oil restrictor installs in the oil passages of the engine block. It limits the flow of oil to certain parts of […]

Q: My current project is giving me trouble. I have a 1950s-era Chevy 1/2-ton truck with a 283 at .030 overbore and .010 under rods and mains. I’m running early […]

Q: What is valve float? … A: Valve float is basically when the valvetrain gets out of control. There are two types of valve float: Loft and Bounce. Loft happens […]

Q: How do I measure for a new steering column? … A: Measuring for a new steering column is pretty easy. Follow the steps below to ensure you will get the […]

Q: I have a vintage Lincoln coupe with a 460ci engine that’s bored .030″ over, has a 214°/224° @ .050″ flat tappet cam, an Edelbrock 750 cfm carb, headers, and […]