Data & Spec Plates — Mercury Grand Marquis 1982-1991

Technical Reference

Member-uploaded diagrams & documents for this generation. AI-classified; community-verified where badged.

Data/Spec Plates

• Dynojet power graph (DaSilva Racing) showing max power 356.66 hp and max torque 379.86 ft-lbs vs speed, with air/fuel trace; run conditions 72.14F, 29.88 in-Hg, 22% humidity.