Tech Articles


You Can’t Bore the BMW S55 Engine Block: A Deep...
The BMW S55 engine—powering the M3, M4, and M2 Competition—is a masterpiece of engineering that perfectly balances power, durability, and weight. If you’ve ever considered boring out the engine block,...
You Can’t Bore the BMW S55 Engine Block: A Deep...
The BMW S55 engine—powering the M3, M4, and M2 Competition—is a masterpiece of engineering that perfectly balances power, durability, and weight. If you’ve ever considered boring out the engine block,...

Determining Optimal Bearing Clearance
Bearing clearance is the gap between the bearing and the crankshaft, which plays a vital role in maintaining a stable oil film—a key factor in bearing life. As an engine builder,...
Determining Optimal Bearing Clearance
Bearing clearance is the gap between the bearing and the crankshaft, which plays a vital role in maintaining a stable oil film—a key factor in bearing life. As an engine builder,...

Timing E30/E36 Camshafts and Installing VANOS: ...
Step 1: Set Engine to Top Dead Center (TDC) Ensure the engine is at TDC. Install the TDC pin into the locking position to hold the flywheel steady. Lock the...
Timing E30/E36 Camshafts and Installing VANOS: ...
Step 1: Set Engine to Top Dead Center (TDC) Ensure the engine is at TDC. Install the TDC pin into the locking position to hold the flywheel steady. Lock the...

Oil Viscosity and Bearing Clearance
This week, we're breaking down Oil Viscosity, Bearing Clearance, and what the two have to do with each other. This isn't meant to teach you how to determine either on...
Oil Viscosity and Bearing Clearance
This week, we're breaking down Oil Viscosity, Bearing Clearance, and what the two have to do with each other. This isn't meant to teach you how to determine either on...

Cutting a $10,000 BMW S58 Cylinder Head IN HALF
As a part of our ongoing commitment to excellence, research, and development, we’ve pretty much lost our minds and, well… cut a $10,000 BMW S58 cylinder head in half. Why...
Cutting a $10,000 BMW S58 Cylinder Head IN HALF
As a part of our ongoing commitment to excellence, research, and development, we’ve pretty much lost our minds and, well… cut a $10,000 BMW S58 cylinder head in half. Why...

Align Boring vs. Align Honing: What's the Diffe...
Align Boring (AKA Line Boring) and Align Honing (AKA Line Honing) are both processes used to ensure that the main bearing bores in an engine block are perfectly aligned, but...
Align Boring vs. Align Honing: What's the Diffe...
Align Boring (AKA Line Boring) and Align Honing (AKA Line Honing) are both processes used to ensure that the main bearing bores in an engine block are perfectly aligned, but...

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...
