This OEM-style PROM chip is for the 1985 turbocharged Buick 3.8L “Hot-Air” ECM. Ideal for restorations, diagnostics, or returning a modified hot-air car back to stock calibration.
🟡 Yellow Dot – Functional Used OEM Chip
🔧 Compatibility: • 1985 Buick Grand National / T-Type / Turbo Regal (Hot-Air) (Not for 1986–1987 intercooled models)
📦 Includes: Chip only (as pictured)
Condition Notes: • Pulled from a running 1985 ECU; label shows age/wear • Best for stock or near-stock setups • Pins and carrier intact, but due to age, performance is not guaranteed
Why You Want It: Useful for verifying a factory baseline, emissions testing, drivability troubleshooting, or restoring a 1985 Turbo Regal back to stock specs. Great to keep as a backup in the glovebox.
