Welcome to Classic9997

Welcome to Classic9997

Why Porsche instrument clusters use light guides (or prism) instead of placing LEDs directly behind the graphics:

adminOct 27, 20252 min read
Why Porsche instrument clusters use light guides (or prism) instead of placing LEDs directly behind the graphics:

🔹 1. To achieve uniform illumination ➡️ Result: smooth, soft, and consistent lighting for numbers and symbols. 🔹 2. To […]

Restoring Leather Seats and Interior of Porsche 928

adminOct 8, 20253 min read
Restoring Leather Seats and Interior of Porsche 928

The Porsche 928 is an iconic grand tourer that blends luxury with performance. While its V8 engine and futuristic design […]

about the Porsche 928

adminOct 7, 20253 min read
about the Porsche 928

1. The V8 “Heir Apparent” That Failed to Dethrone the 911 This is the most crucial historical topic. The 928 […]

how you can find or reproduce discontinued classic car parts

adminOct 6, 20252 min read
how you can find or reproduce discontinued classic car parts

1. Search Original and Used Parts Start with the most direct sources: 🧰 2. Aftermarket or Reproduction Parts If OEM […]

early Porsche 928 (K-Jetronic) vs later 928 (L-Jetronic, LH-Jetronic, or Motronic) fuel injection systems.

adminOct 5, 20252 min read
early Porsche 928 (K-Jetronic) vs later 928 (L-Jetronic, LH-Jetronic, or Motronic) fuel injection systems.

his is something enthusiasts debate a lot when comparing early Porsche 928 (K-Jetronic) vs later 928 (L-Jetronic, LH-Jetronic, or Motronic) […]

instrument cluster melt from putting high watt bulb, what solution

adminAug 8, 20252 min read
instrument cluster melt from putting high watt bulb, what solution

Why It Happened ✅ Solutions 1. Stop Using the High-Watt Bulb Immediately 2. Inspect the Damage 3. Repair or Replace […]

Finding the source of squeaking or squealing sound in your car

adminAug 7, 20252 min read
Finding the source of squeaking or squealing sound in your car

Finding the source of a squeak (or “squeez” 😄) in your car can be tricky because sound can bounce around […]

How to Store Tires and Rubber Seals for Classic Cars to Last Longer

adminAug 7, 20252 min read
How to Store Tires and Rubber Seals for Classic Cars to Last Longer

Rubber parts, including tires and seals, are some of the quickest to deteriorate on a classic car. Without proper care, […]

Why Some Classic Car Parts Are More Expensive Than Gold

adminAug 7, 20252 min read
Why Some Classic Car Parts Are More Expensive Than Gold

1. Rarity 2. No New Production 3. High Manufacturing Costs 4. Historical Value 5. High Demand from Collectors 6. Restoration […]

How to dim LED

adminAug 6, 20252 min read
How to dim LED

You can dim an LED in a few different ways, depending on whether you want to do it electronically or […]

Why our HRI made of Urethane

adminAug 6, 20252 min read
Why our HRI made of Urethane

urethane’s main attributes (talking about polyurethane, which is what people mean when they say “urethane” in this context): Physical Properties […]

How to have strong double stitching

adminAug 6, 20253 min read
How to have strong double stitching

Double stitching on leather is a strong, decorative, and durable method — often seen in saddlery, belts, watch straps, and […]

How to Care for Genuine Leather

adminAug 6, 20252 min read
How to Care for Genuine Leather

Genuine leather is durable, but it still requires proper care to keep it looking beautiful and lasting for years. The […]

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