Engine & Exhaust

I have a Camaro with a 420 c.i.d. small-block Chevy that I recently bought. We pulled the engine to freshen it and the question came up as to whether my […]

I’ve got an old, 327 c.i.d. small-block Chevy that I started to replace the heads with a better set. My problem is I’ve stripped the threads on two head bolts […]

I have a 350 c.i.d. small-block Chevy that I’m rebuilding. It has Wiseco forged pistons with a 1/16-inch ring package and 10:1 compression, good I-beam rods, and a good steel […]

I’m building a Chevy 350 engine for my son’s circle track race car. I started out with a 0.040-over block that I think has been severely decked but I’m not […]

Chrysler has a great tradition of producing powerful high-performance engines. Engines that you can build today. We’re working with the Chrysler B-Block, which is the original low-deck version of the […]

Q: How can I figure out if these headers will fit my vehicle? … A: Exhaust headers are designed to fit a specific combination of engine and vehicle. Just because a […]

Torque angle bolts require a unique tightening process. The torque angle method is a more precise way of torquing a standard fastener to a predetermined tension. When using this method, […]

Spirolox — something referred to as wristpin clips or spiral retaining rings — are used to secure pistons and wrist pins to connecting rods. Using Spirolox on each side of […]

Q: Can you explain the difference between “4-1” and “Tri-Y” collectors? … A: The collector is where the primary tubes merge together. 4-1 and Tri-Y are the two main types […]

The designers of late model engines like the GM LS, Ford Modular engine, and the Chrysler Gen III Hemi have in many ways made it easy for performance enthusiasts. Not […]