Convertible · 5.0L High-Output EFI V8

1988 Ford Mustang GT Convertible 5MT


Ford's 1988 brochure pairs the GT convertible with the 5.0L High-Output EFI V8 and 5-speed manual overdrive.

1988 Ford Mustang — exact-model-year Commons photograph
Exact 1988 Mustang reference photograph; exact configuration not verified ·

Photo: “1988 Ford Mustang 5.0 GT (16346789083).jpg” by Kieran White from Manchester, England / Wikimedia Commons, licensed under CC BY 2.0. Cropped to 16:9.

Factory configuration

What this model is

Trim
GT
Body style
Convertible
Engine
5.0L High-Output EFI V8
Transmission
5-speed manual overdrive

United States factory configuration. Appearance and value packages are not separate configurations.

Compare related 1988 configurations

Compare up to twelve documented pairings, prioritizing the same engine, body, trim and gearbox as this car. This related selection is not a complete factory lineup.

Browse all documented 1988 configurations →

Compare 12 related configurations — current car marked
1988 Ford Mustang: documented configuration differences
ConfigurationEngineTransmissionBody
Current carGT Convertible 5MT5.0L High-Output EFI V85-speed manual overdriveConvertible
GT Convertible 4AT5.0L High-Output EFI V84-speed automatic overdriveConvertible
LX 5.0L Convertible 5MT5.0L High-Output EFI V85-speed manual overdriveConvertible
LX 5.0L Convertible 4AT5.0L High-Output EFI V84-speed automatic overdriveConvertible
GT Three-door hatchback 5MT5.0L High-Output EFI V85-speed manual overdriveThree-door hatchback
GT Three-door hatchback 4AT5.0L High-Output EFI V84-speed automatic overdriveThree-door hatchback
LX 5.0L Two-door sedan 5MT5.0L High-Output EFI V85-speed manual overdriveTwo-door sedan
LX 5.0L Three-door hatchback 5MT5.0L High-Output EFI V85-speed manual overdriveThree-door hatchback
LX 5.0L Two-door sedan 4AT5.0L High-Output EFI V84-speed automatic overdriveTwo-door sedan
LX 5.0L Three-door hatchback 4AT5.0L High-Output EFI V84-speed automatic overdriveThree-door hatchback
LX Convertible 5MT2.3L EFI inline-four5-speed manual overdriveConvertible
LX Convertible 4AT2.3L EFI inline-four4-speed automatic overdriveConvertible

Configuration-specific ownership

Maintenance for this exact configuration

These items are filtered to the engine, transmission, trim, and model-year applicability recorded for this configuration. Broad Amazon category searches are suppressed here; shopping links appear only beside catalog-backed part numbers.

Service desk

What this car needs & when

Use this as a service-planning checklist for 1988 Ford Mustang GT Convertible 5MT. Start with the interval, confirm which engine or configuration you have, then use an exact ordering reference when one is verified.

Service topics
6
Scheduled topics
5
Applicability stated
6
Exact references
1

Before ordering Identify your engine, options and build date. Part numbers and sizes can change within one model year. Shopping links appear only for catalog-backed references; still verify the listing against your vehicle before ordering.

  • Engine oil and filterView intervals, applicability and sources

    Engine oil and filter

    Sourced interval available

    Applies to: 1988 · 2.3L SOHC I4, 5.0L HO V8 · US

    Published interval: 7,500 mi · normal service

    Source: Operation CHARM — 1988 Ford Mustang factory service schedule mirror · Normal Service 7,500/15,000/30,000-mile and Severe Service 3,000/30,000-mile records; 2.3L SOHC and 5.0L HO schedules cross-checked · checked

    Severe service

    Applies to: 1988 · 2.3L SOHC I4, 5.0L HO V8 · US · Ford severe-service operating conditions

    Published interval: 3,000 mi · severe service

    Source: Operation CHARM — 1988 Ford Mustang factory service schedule mirror · Normal Service 7,500/15,000/30,000-mile and Severe Service 3,000/30,000-mile records; 2.3L SOHC and 5.0L HO schedules cross-checked · checked

  • Engine oil filterView intervals, applicability and sources

    Engine oil filter

    Exact reference available

    Manufacturer application-catalog fitment only; this does not establish an oil-change interval.

    Applies to: 1988 · US

    5.0L High-Output EFI V8

    Baldwin B2

    Applies to: 1988 · 5.0L High-Output EFI V8 · US

    Source: Baldwin Filters — Automotive Applications catalog (2017) · PDF page 263 — Ford 1988, Mustang 5.0L row · checked

    Verified ordering references

  • Engine air-filter elementView intervals, applicability and sources

    Engine air-filter element

    Sourced interval available

    Applies to: 1988 · 2.3L SOHC I4, 5.0L HO V8 · US

    Published interval: 30,000 mi

    Source: Operation CHARM — 1988 Ford Mustang factory service schedule mirror · Normal Service 7,500/15,000/30,000-mile and Severe Service 3,000/30,000-mile records; 2.3L SOHC and 5.0L HO schedules cross-checked · checked

  • Engine coolantView intervals, applicability and sources

    Engine coolant

    Sourced interval available

    Applies to: 1988 · 2.3L SOHC I4, 5.0L HO V8 · US

    Published interval: 30,000 mi

    Source: Operation CHARM — 1988 Ford Mustang factory service schedule mirror · Normal Service 7,500/15,000/30,000-mile and Severe Service 3,000/30,000-mile records; 2.3L SOHC and 5.0L HO schedules cross-checked · checked

  • Spark plugs (except platinum)View intervals, applicability and sources

    Spark plugs (except platinum)

    Sourced interval available

    Applies to: 1988 · 2.3L SOHC I4, 5.0L HO V8 · US

    Published interval: 30,000 mi

    Source: Operation CHARM — 1988 Ford Mustang factory service schedule mirror · Normal Service 7,500/15,000/30,000-mile and Severe Service 3,000/30,000-mile records; 2.3L SOHC and 5.0L HO schedules cross-checked · checked

  • Crankcase ventilation filterView intervals, applicability and sources

    Crankcase ventilation filter

    Sourced interval available

    5.0L HO V8 — PCV valve and crankcase filter

    Applies to: 1988 · 5.0L HO V8 · US

    Published interval: 15,000 mi

    Source: Operation CHARM — 1988 Ford Mustang factory service schedule mirror · Normal Service 7,500/15,000/30,000-mile and Severe Service 3,000/30,000-mile records; 2.3L SOHC and 5.0L HO schedules cross-checked · checked

Search results may cover different scales, trims and model years. Check each listing; this search does not establish an exact replica of the documented vehicle.

Sources

  1. Ford — 1988 Mustang factory brochure

Other 1988 configurations

Filter documented 1988 configurations →