RTMG Performance Block Reinforcement Plate for Added Strength - 2.0 TFSI EA113 Engines with Oil Pump Kit

Reinforcement Plate for Engine Block - 2.0 TFSI EA113

Why do we install a steel plate and how does it improve the block's strength?

Unlike a simple iron plate, the steel plate is characterized by its high strength and hardness of 30 HRC. This makes it one of the best materials available for use under high pressure. In high-performance applications, the crankshaft is subjected to intense impact forces from large explosions during combustion. These forces, transmitted through the piston, connecting rod, and crankshaft, exert considerable stress on the main bearing caps and their fastening bolts.

Our kit offers an innovative solution: additional reinforcement for the main bearing caps, reducing the stress on the crankshaft cap bolts. The benefits are significant under high loads, as the plate is bolted externally to the engine block. This configuration helps to uniformly distribute the stress among the central bolts of the main bearing caps.
For example, if a pressure of 1000 N is applied to a crankshaft journal during combustion, this pressure would traditionally stress the four factory bolts on the two bearing caps, resulting in 1000 N / 4 = 250 N per bolt. With our plate, the pressure is distributed among twice as many bolts, reducing the load to approximately 1000 N / 8 = 125 N per bolt. This is achieved by using the perimeter of the block as additional support.

Key advantages:

Reduced bolt stress: Lower bolt stress minimizes elongation, preventing crankshaft deformation and protecting the main bearings. Increased safety: In the event of engine failure, the plate retains the crankshaft, preventing oil leaks onto the vehicle's wheels, which could lead to catastrophic accidents. Optimal material selection: The spacers between the plate and the journals are made of chromoly, with a resistance exceeding 1000 kPa. The bolts used are ARP, much stronger than factory bolts and among the best on the market.

Installation considerations:

For some EA113 engines with cast main bearing caps, it may be necessary to machine the caps on the side where the spacers will sit. This ensures maximum plate performance and uniform pressure distribution over the caps. Our spacers are designed with an extended length to fit all types of EA113 engines (e.g., BWA, CDL, AXX, etc.). Once the central caps are tightened, the plate should have a clearance of 0.04-0.06 mm from the block's perimeter. This preload increases the rigidity of the assembly. Precision machining ensures that the steel plate is perfectly flat for optimal fit. Additional modifications:

Since the pressure plate has a thickness of 10 mm, a longer oil pump chain (+2 links) is required. The kit includes the option of a larger chain. To address common problems such as factory oil pump cavitation at high RPMs, this stiffness enhancement is often combined with a higher-capacity oil pump, available as part of our kit. Welcome to the next generation of high-quality performance upgrades from RTMG PERFORMANCE.