Tech Articles


What is Line Honing?
Line Honing, sometimes called Align Honing, is a precision machining process used to ensure that the main bearing bores in an engine block are perfectly aligned and have proper diameter...
What is Line Honing?
Line Honing, sometimes called Align Honing, is a precision machining process used to ensure that the main bearing bores in an engine block are perfectly aligned and have proper diameter...

Choosing the Right Oil for your High Performanc...
For BMW enthusiasts pushing their engines to the limit, using the right oil is crucial. Standard oils may suffice for factory setups, but high-performance builds require something more specialized. That’s...
Choosing the Right Oil for your High Performanc...
For BMW enthusiasts pushing their engines to the limit, using the right oil is crucial. Standard oils may suffice for factory setups, but high-performance builds require something more specialized. That’s...

Everything You Need to Know about ARP Hardware
Save this for later, we're breaking down everything you need to know about ARP hardware, from washer orientation to materials: Washer Alignment On ARP stud kits that include washers, you...
Everything You Need to Know about ARP Hardware
Save this for later, we're breaking down everything you need to know about ARP hardware, from washer orientation to materials: Washer Alignment On ARP stud kits that include washers, you...

Selecting Connecting Rods to Ensure the Success...
Connecting Rod Failure: Common Causes and How We Can Prevent Them Connecting Rods are a critical component in high performance combustion engines, there’s no denying it. Responsible for converting the...
Selecting Connecting Rods to Ensure the Success...
Connecting Rod Failure: Common Causes and How We Can Prevent Them Connecting Rods are a critical component in high performance combustion engines, there’s no denying it. Responsible for converting the...

Oil Pan Baffles
This week, we're breaking down a favorite of road racers and owners of older BMW's that are prone to oil starvation: oil pan baffles. From the basics of what they...
Oil Pan Baffles
This week, we're breaking down a favorite of road racers and owners of older BMW's that are prone to oil starvation: oil pan baffles. From the basics of what they...

Determining Piston Ring End Gaps: A General Ove...
Because different power adders such as nitrous or turbos, cooling methods like air or water-cooled systems, and various applications cause varying expansion rates, providing universally accurate ring end gap recommendations...
Determining Piston Ring End Gaps: A General Ove...
Because different power adders such as nitrous or turbos, cooling methods like air or water-cooled systems, and various applications cause varying expansion rates, providing universally accurate ring end gap recommendations...

How Stroker Kits Increase Horsepower
Installing a stroker kit in your high performance BMW engine will increase power output. You’ve heard others saying it time and time again and watch as stroker engines break world...
How Stroker Kits Increase Horsepower
Installing a stroker kit in your high performance BMW engine will increase power output. You’ve heard others saying it time and time again and watch as stroker engines break world...

The Importance of Re-Torquing Head Studs
Why is it important to re-torque cylinder head studs after the first heat cycle in a new engine, and why is it only necessary once? In this article, we break...
The Importance of Re-Torquing Head Studs
Why is it important to re-torque cylinder head studs after the first heat cycle in a new engine, and why is it only necessary once? In this article, we break...

How to Read Schrick Part Numbers
Identifying a Schrick camshaft is easy thanks to their part numbering method, which has been consistent throughout the history of the company. The first three digits show the project number and...
How to Read Schrick Part Numbers
Identifying a Schrick camshaft is easy thanks to their part numbering method, which has been consistent throughout the history of the company. The first three digits show the project number and...

Piston Slap & Offset Wrist Pin Design
Overview Engine Builders typically utilize increased piston-to-wall clearance when assembling a high performance, boosted engine to account for increased power levels, combustion temperatures, and varying thermal expansion properties between the...
Piston Slap & Offset Wrist Pin Design
Overview Engine Builders typically utilize increased piston-to-wall clearance when assembling a high performance, boosted engine to account for increased power levels, combustion temperatures, and varying thermal expansion properties between the...

CP-Carrillo Piston Ring Installation Guide
Failure to check ring gap can result in severe engine failure; don't risk your engine build. This reference sheet includes all of CP-Carrillo's recommendations for determining proper piston ring gap,...
CP-Carrillo Piston Ring Installation Guide
Failure to check ring gap can result in severe engine failure; don't risk your engine build. This reference sheet includes all of CP-Carrillo's recommendations for determining proper piston ring gap,...

Cylinder Sleeve Installation 101
1. Preparing the Block Boring and Honing A BMW S58 Engine Block getting prepared for Cylinder Sleeving. Photo Courtesy of SpecJ Motorsport. After boring out original aluminum in preparation for sleeve...
Cylinder Sleeve Installation 101
1. Preparing the Block Boring and Honing A BMW S58 Engine Block getting prepared for Cylinder Sleeving. Photo Courtesy of SpecJ Motorsport. After boring out original aluminum in preparation for sleeve...
