BMW Engine Leak Down Test Plate | M10 S14 M30 S38

VAC Motorsports BMW Engine Leak Down Test Plate for M10 S14 M30 and S38 engines MAIN

VAC Motorsports BMW Engine Leak Down Test Plate for M10 S14 M30 and S38 engines SWATCH

BMW Engine Leak Down Test Plate | M10 S14 M30 S38

Precision-machined billet aluminum leak down test plate designed to isolate piston and ring sealing during engine diagnostics with the cylinder head removed. Fits BMW M10, S14, M30, and S38 engines up to 96mm bore size.

Price: $199.95

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SKU: VAC-07-LDTP-001

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Description

When diagnosing engine sealing issues, guessing costs time and money.

VAC Engine Leak Down Test Plate was developed for engine builders and machinists who want accurate piston ring sealing data after cylinder head removal. Instead of trying to determine whether leakage is coming from valves, rings, or head sealing issues, this tool isolates the pistons and rings directly at the block for precise leak down testing.

Designed and used in-house by VAC Motorsports, this billet aluminum fixture mounts directly to the engine block using the head gasket surface. Once installed, simply connect your standard leak down tester and pressurize the cylinder to evaluate ring seal and cylinder integrity.

This design allows testing of two cylinders at once for faster workflow and more consistent readings during engine teardown, inspection, and blueprinting.

Whether you are evaluating a tired street engine, diagnosing blow-by issues, or verifying a fresh performance build before final assembly, this tool gives engine builders reliable, repeatable data.

If we use a tool in our shop, we sell the tool.

Features

Precision-machined billet aluminum construction
Direct block-mounted leak down testing
Isolates piston and piston ring sealing only
Eliminates valve leakage variables during testing
Tests two cylinders simultaneously
Works with standard leak down testers
Designed for professional engine builders and machinists
Ideal for engine teardown inspection and race engine diagnostics

Fitment

Fits BMW Engines:

BMW M10
BMW S14
BMW M30
BMW S38

Specifications

Maximum Bore Size: Up to 96mm

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Why Use an Engine Leak Down Test Plate?

Traditional leak down testing with the cylinder head installed can make it difficult to pinpoint where compression loss is occurring. By removing the cylinder head from the equation, the VAC Motorsports Engine Leak Down Test Plate allows builders to focus strictly on piston ring seal and cylinder condition.

Perfect for:

Engine rebuild inspections
Ring seal verification
Performance engine diagnostics
Race engine maintenance
Pre-assembly quality checks
Troubleshooting blow-by and oil consumption issues

Vehicle & Engine Fitment

BMW M10 Engine Applications

BMW 1600
BMW 1602
BMW 1800
BMW 1802
BMW 2002
BMW 2002tii
BMW E21 320i
BMW E30 318i
BMW E30 318is

BMW S14 Engine Applications

BMW E30 M3
BMW E30 M3 Evolution
BMW E30 M3 Sport Evolution

BMW M30 Engine Applications

BMW E3 Bavaria
BMW E9 3.0CS
BMW E9 3.0CSi
BMW E12 530i
BMW E23 733i
BMW E23 735i
BMW E24 630CSi
BMW E24 633CSi
BMW E24 635CSi
BMW E28 533i
BMW E28 535i
BMW E34 535i

BMW S38 Engine Applications

BMW E24 M6
BMW E28 M5
BMW E34 M5

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