ECU Performance Chip – Unknown Tune (Turbo Buick 86–87)

This ECU chip appears to be an aftermarket Red Armstrong  performance PROM for the 1986–1987 Turbo Buick platform. The labeling is unclear and no verifiable calibration information could be confirmed, making it best suited for collectors, testing, or nostalgia builds.

🟡 Yellow Dot – Functioning Upon Removal / Tune Unknown

🔧 Compatibility:
• 1986–1987 Buick Grand National / Turbo T / T-Type / GNX
• Fits OEM 1227148 ECU (factory Turbo Buick computer)

📦 Includes: Chip only (as pictured)

Condition Notes:
• Pins intact, no corrosion observed
• For experienced users or testing purposes

Why You Want It:
Ideal for Turbo Buick enthusiasts who enjoy experimenting with older aftermarket chips, collectors of period-correct tuning hardware, or anyone who wants a spare PROM for bench testing or ECU swaps.

⚠️ Disclaimer:
This chip’s tune parameters are unknown. T6P cannot guarantee drivability, performance, timing, fuel curves, or boost settings. Recommended for experienced Turbo Buick users, collectors, or for testing only. All items are sold as-is, with no returns or exchanges. Buyer is responsible for verifying compatibility with their ECU.