1990 Mustang Buyers Inspection Guide

Inspection Checklist

Body, Rust, And Structure

Inspect the floor pans, strut towers, windshield channel, sunroof or T-top openings, fender wells, door hinges, and metal around the windows for rust.
Inspect the torque boxes for cracks and previous repairs because the shop source associates this damage with cars launched hard.
Convertibles need rocker, floor brace, door-gap, quarter-window, top-hydraulic, and V-brace inspections, especially after engine swaps or hard launches.

Drivetrain And EFI

Mass-air and speed-density details matter. Verify ECU, MAF, injectors, harness pins, cam choice, vacuum routing, idle quality, and emissions readiness on modified cars.
On a T-5 car, test third-gear synchronizer operation carefully; the shop source identifies third-gear synchro failure as a recurring issue, especially on modified cars.
Ask how the car was launched and inspect the torque boxes for cracks or repair evidence before accepting an abuse-free history.

Trim And Special Models

1993 Cobra verification should include GT-40 induction, 17-inch directional wheels, rear discs, Cobra bumper/exhaust details, VIN/body data, and production/color records.
1993 Cobra R verification should include Vibrant Red paint, five-lug black wheels, no rear seat/radio/A-C/sound deadener, oil and power-steering coolers, bracing, and race suspension.
A VIN appearing in the enthusiast project's consecutive batch does not confirm an SSP, and a second DSO buck tag does not confirm one either. Require matching fleet/DSO paperwork, body and DSO buck tags, and consistent agency equipment clues.

Photo Clues

GT photos should show ground effects, round fog lamps, GT taillights, GT interior cues, and correct wheels for the year; all of these are swappable.

LX 5.0 photos should show subtler bodywork, dual exhaust, V8 hardware, 8.8 rear axle, and badges that agree with VIN and door label.

Five-lug Fox cars are usually conversions except specific SVO/Cobra R contexts; ask for brake, axle, spindle, and wheel documentation.

VIN, Tag & Option Mismatch Checks

A Cobra body kit, pony wheels, 5.0 badges, or Saleen-style pieces do not prove a factory performance model.

Treat a clean replacement tag as a restoration clue rather than proof of original drivetrain or trim; compare it with older tag photographs and other records.

Known Buyer Risks

Strut-tower and floor-pan rust, torque-box cracks, T-5 third-gear synchro trouble, surging idle, and poor-quality previous-owner parts are recurring inspection themes.
Fox values make clean shells and correct special models worth verifying before paying for modifications.

Color & Interior Database

Use paint/interior codes as a screening tool, then verify individual cars from door labels, window stickers, Marti reports where available, SVT/Shelby/registry records, or Ford build data.

Code	Color / Trim	Model	Body	Units	Notes
EH	Medium Cabernet	All	-	Not published	Paint code reference; exact production count not publicly verified.
EL	Wild Strawberry	All	-	Not published	Paint code reference; exact production count not publicly verified.
EM	Medium Red	All	-	Not published	Paint code reference; exact production count not publicly verified.
EP	Vermillion	All	-	Not published	Paint code reference; exact production count not publicly verified.
KA	Crystal Blue	All	-	Not published	Paint code reference; exact production count not publicly verified.
MK	Twilight Blue	All	-	Not published	Paint code reference; exact production count not publicly verified.
MM	Ultra Blue	All	-	Not published	Paint code reference; exact production count not publicly verified.
PA	Deep Emerald Jewel Green	7-Up Special Edition	-	4,103	Exclusive to the 7-Up Limited Edition Convertible
YO	Oxford White	All	-	Not published	Paint code reference; exact production count not publicly verified.
YC	Black	All	-	Not published	Paint code reference; exact production count not publicly verified.
YF	Light Dark Titanium	All	-	Not published	Paint code reference; exact production count not publicly verified.
YG	Medium Titanium	All	-	Not published	Paint code reference; exact production count not publicly verified.
YX	Titanium Frost	All	-	Not published	Paint code reference; exact production count not publicly verified.
G / BA / FA / DA	Titanium Grey Vinyl/Cloth	All	Interior	Not published	Transitioned to alphanumeric codes during 1990
B / BB / FB	Crystal Blue Vinyl/Cloth	All	Interior	Not published	Interior trim option; exact production count not publicly verified.
D / BD / FD / DD	Scarlet Red Vinyl/Cloth	All	Interior	Not published	Interior trim option; exact production count not publicly verified.
BJ / FJ / DJ / CJ	Black Vinyl/Cloth/Leather	All	Interior	Not published	Interior trim option; exact production count not publicly verified.
BL / CL	White / Titanium Convertible	Convertible	Interior	Not published	Interior trim option; exact production count not publicly verified.
BN / CN	White / Scarlet Convertible	Convertible	Interior	Not published	Interior trim option; exact production count not publicly verified.

Confidence: High (exact paint/trim counts included from Marti or SVT records) Breakout: Complete breakout available for this model year.

1990 Mustang Buyers Guide