By the numbers
60++
years covering the Opel platform
12++
reference articles in the archive
4+
Our material covers fuel-injection conversions, brake and suspension work, chassis and rear-axle geometry, gearbox ratios, torque-tube modifications, turbocharging and engine internals.
Read the reference and compare platform-specific figures before making changes.
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Every article is tagged to a reference pillar.
Reference comes from real builds and measured figures, not guesswork.
Reference for the Opel building community.