Tech

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, […]

I have a weird thing happening with my small-block Chevy crate engine that has me scratching my head. The engine is a 290-horsepower Chevy crate engine with a set of […]

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 […]

Crankshaft end play is a delicate balance. Too much crankshaft thrust can lead to lead to engine damage, but too little thrust bearing clearance can cause problems as well. If […]

Q: What is rod ratio? … A: Rod ratio is the relationship between the Connecting Rod Length and the Stroke Length of the crankshaft. How is it calculated? Use the following formula to calculate rod […]

6.0L LS/14-bolt rear-end combo? Check. 100 shot of nitrous–give or take? Check And a welded diff. and new sidepipes, too! The Summit Racing Burnout Van is ready to make its […]

Q: I have a 1994 Ford F-150 with a 5.0L engine and factory mass airflow sensor. I just had the heads redone and installed a Trick Flow Stage 1 camshaft. […]