1971 Mustang Serial Numbers

Author: 1971 Ford Mustang info  (more...)

1971 Ford Mustang
Serial Numbers

Location: Stamped on plate to the driver's of instrument panel, visible through windshield. The certification label is attached to the rear face of the driver's door.

Sample serial number: 1R05M1100005

1 - the model year

F - The assembly plant (F-Dearborn, T-Metuchen)

05 - Body Code (01 - Hardtop Coupe, 02 - Fastback, 03 - Convertible, 04 - 2 door hardtop Grande, 05 - 2 door Sportsroof Mach 1)

M -Engine Code (see below)

100005 - Unit Number, consecutive

Engine Codes

L - 250 cid 6 cylinder 145 HP

F - 302 cid 2V V-8 210 HP

H - 351 cid 2V V-8 240 HP 

M - 351 cid 4V V-8 280 HP (Cobra Jet)

R - 351 cid 4V V-8 330 HP (Boss)

C - 429 cid 4V V-8 370 hp (Cobra Jet, CJ)

J - 429 cid 4-V V-8 375 HP (Cobra Jet-R, CJ-R)

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