Blog Series
Air-Cooled & Classic Porsche
Preservation, service, and ownership guides for air-cooled and classic Porsche models including 964, 993, and 930 Turbo.
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New to this topic? This comprehensive guide covers the essentials and is the best place to begin.
Air-Cooled Porsche Service: Keeping Classics Road-Ready
Complete guide to air-cooled Porsche service. From 356 to 993, learn what these classics need to stay on the road.
Apr 25, 2025
More in This Series · 13 articles
Deep dives, how-tos, and real-world case studies from the Repasi Motorwerks workshop.
Air-Cooled
Chain Tensioner Failure in Air-Cooled Porsches: Prevention & Repair
The #1 catastrophic failure risk in air-cooled 911s. How the tensioner works, failure symptoms, preventive upgrades, and why prevention costs a fraction of failure.
Feb 16, 2026
930 Turbo
Porsche 930 Turbo Maintenance: Taming the Widowmaker
Complete maintenance guide for the Porsche 930 Turbo covering wastegate service, intercooler inspection, boost control, CIS tuning, and turbo-specific cooling demands.
Feb 9, 2026
Air-Cooled
Porsche 964 vs 993: The Air-Cooled Buyer's Dilemma
Head-to-head comparison for prospective buyers. Driving character, maintenance complexity, value trajectory, common issues, insurance, and parts availability.
Feb 5, 2026
Air-Cooled
Air-Cooled Porsche Winter Storage: The Complete Northeast Owner's Guide
Storing an air-cooled Porsche through a Connecticut winter requires more than parking it and throwing on a cover. Here is the complete preparation and storage guide for Northeast owners.
Sep 20, 2025
Air-Cooled
Best Oil for Air-Cooled Porsche Engines: Zinc, Viscosity, and Modern Options
Air-cooled Porsche engines have specific oil requirements that differ from modern water-cooled cars. Here is what matters — zinc content, viscosity, and which products actually deliver.
Jul 14, 2025
930 Turbo
Porsche 930 and 964 Head Stud Failure: Prevention, Diagnosis, and Repair
Head stud failure on 930 and 964 engines can range from a minor oil weep to a catastrophic engine failure. Early detection and preventive measures can save your engine.
May 10, 2025
Air-Cooled
Classic Porsche Fuel Line Replacement: Preventing Ethanol Damage and Fire Risk
Original rubber fuel lines on classic Porsches degrade with age and ethanol in modern fuel. Replacing them is the single most important safety item on any newly acquired air-cooled Porsche.
Mar 22, 2025
964
Porsche 964 and 993 Suspension Refresh: Bushings, Shocks, and Mounts
After 30+ years, every rubber bushing in your 964 or 993 suspension is compromised. A complete suspension refresh transforms how these cars drive and handle.
Jan 18, 2025
Air-Cooled
Air-Cooled Porsche Valve Adjustment: Why It Matters and How Often
Valve adjustment is one of the most important routine maintenance items on air-cooled Porsche engines with mechanical lifters. Here is why it matters, what happens when it is neglected, and what it should cost.
Nov 2, 2024
993
Porsche 993 Oil Consumption: Valve Guides, Rings, and When to Worry
Some oil consumption is normal on a Porsche 993. But how much is too much? Here is how to tell the difference between normal consumption and a developing engine problem.
Sep 15, 2024
Air-Cooled
Air-Cooled Porsche Engine Rebuild: What to Expect and What It Costs
An air-cooled Porsche engine rebuild is a significant investment. Here is an honest breakdown of what is involved, what it costs, and why choosing the right shop matters more than finding the cheapest price.
Jul 8, 2024
964
Porsche 964 Dual Mass Flywheel: Symptoms, Failure, and Replacement Options
The dual mass flywheel in the Porsche 964 is a wear item that most owners do not think about until it fails. Here is what it does, how to tell when it is going, and what replacement options exist.
May 10, 2024
Air-Cooled
Air-Cooled Porsche Oil Leaks: Diagnosis, Common Sources, and Repair
Every air-cooled Porsche leaks oil — but not every leak is harmless. Here is a systematic guide to finding and fixing the most common oil leak sources on 911, 964, and 993 engines.
Mar 20, 2024