JDM Wheel Fitment & Fender Preservation Calculator
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Fitment & Preservation Analyzer
CHASSIS INTEGRITY // ARCHIVE REF: FITMENT-CALCULATOR
Technical Impact Brief
Engineer's Note: When 90s factory paint is flexed during a fender pull, the clear coat often develops "spider-web" fractures invisible to the naked eye. These fractures act as conduits for road salts and moisture, leading to quarter-panel rot.
Access Detailing & Preservation KitsThe Heat Gun Myth
Most builders believe a heat gun makes fender rolling "safe." While surface heat increases flexibility, it cannot restore the molecular elasticity of 30-year-old factory clear coat.
The Reality
Paint loses plasticizers over decades. When the metal bends, the paint doesn't stretch—it checks (shatters) at a microscopic level.
The Consequence
Invisble cracks act as straws for moisture. Within 24 months, sub-surface oxidation leads to the dreaded "Quarter-Panel Rot."
The Price of "Poke"
For NLA (No Longer Available) platforms like the R32 GTR or FD3S RX-7, permanent metal distortion is a direct hit to your net worth.
Build Protocol
PRESERVATION > MODIFICATION
If your fitment requires rolling, you must follow the chemical seal protocol to prevent atmospheric oxidation.