Tech How To’s
How to Use a Degree Wheel
Join Jeff Smith, former editor of Hot Rod and Car Craft Magazines, as he shows us how to use a…
Milodon 440 Chrysler Main Cap Upgrade
Strengthening a 440 Mopar block is easy with Milodon's redesigned cross-bolted caps.
ARP’s Secret Fastener Technology Lab
ARP's test lab has quantified the potential for a 20% or more loss in clamping force with used…
Understanding Dynamic Compression Ratio
Your engine actually has two compression ratios, static compression ratio and dynamic compression…
RTST Ported Flow Testing Valves
The RTS kit permits precise mapping of the airflow values around the circumference of the valve…
Engine Building Rules Part 1: Planning
Consider a typical performance engine build plan that holds true for many budget based bracket…
Effects Of Changes in Cam Timing and Lobe Separation Angle
The following tables provided by COMP Cams illustrate how variations in lobe separation angle and…
Camshaft Basics
Pushrod based engines use two basic types of camshaft; either flat tappet or roller tappet. It’s…
Calculating Piston Speed
Mean piston speed has long been used as an indicator of component durability under severe service.…
Porting Pointers
The objective of porting a cylinder head is to improve engine performance via constructive enhancements…
Tuning Tips for Intake Manifold Deficiencies
Various modifications and adjustments can be applied to intake manifolds to fine tune them for…
How to Use a Dial Indicator
Dial indicators are one of the primary measuring tools used in precision engine building. They…
How to Use a Deck Bridge
A deck bridge is a basic comparator tool that allows you to easily read dimensional differences…
Priority Main Oiling
Most OEM and aftermarket race cylinder blocks are configured for priority main oiling to protect…
How to Install ARP Main Cap Studs
Serious race engine builders mostly use high strength ARP studs to anchor the main caps. Studs…
Straight Shot Oiling
Many years ago racers decided that cross-drilling an additional hole straight through the mains…
How to Avoid Rod Bearing Fillet Ride
Fillet ride is a potential cause of rod bearing failure in racing and high performance engines.…
Checking Crankshaft End Thrust
Checking crankshaft thrust endplay is a basic engine building step that is sometimes frustrated…
ARP Rod Bolt Stretch Gauge How-to
Most engine builders concede that torquing rod bolts during final assembly is no longer an accepted…
CV Products Chevy Pin Oiler Installation
Most dedicated race blocks for Sprint Cup racing, Formula 1 and other high end applications are…