Q&A

I’m rebuilding a Corvette small block Chevy engine for my cruiser boat in Australia. It’s a mid-range torque engine. I’m using Scat forged, floating pin rods, and a mild Isky […]

Q: I have a 1973 Chevy K20 truck with an aluminum-head, roller cam 383 stroker. I’ve heard from some of my old-school gearhead friends that a properly tuned Quadrajet is […]

Q: I’m swapping a low-mileage 5.3L LS engine from a 2011 GMC truck into a Cutlass drag car. The engine will be upgraded with a Trick Flow® 455 HP GenX® […]

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 […]

Could I get your opinion on an engine problem? I spun a rod bearing in my supercharged big-block Chevy. The engine makes big power and has run my ’55 Chevy […]

Q: Do I need a high-volume or high-pressure oil pump? … A: When buying an oil pump, you have a few options. The right pump for you depends on how […]

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 the difference between 304 and 409 stainless steel? … A: All stainless steel contains chromium and other elements. The added elements make the metal harder, stronger, and […]

Q: What is the difference between a flat tappet and a roller camshaft? … A: Camshafts are classified by the type of lifter they use. The lobes on the cam […]