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MGB
Production Modifications, Sep 1970 - Dec 1973 |
| Date |
Roadster
Chassis No. |
GT
Chassis No. |
Remarks
© 1994 Orin B. Harding (Last Revised: 24-May-94) |
|
Sep-70 |
5-219001 |
5-219355 |
1971 model year (Type 18GK engine) |
|
Sep-70 |
|
|
Solid rear bumper |
|
Sep-70 |
|
|
Folding Hood (Michelotti) now standard |
|
Sep-70 |
|
|
Telescopic bonnet and boot stays |
|
Sep-70 |
|
|
Boot interior light |
|
Sep-70 |
|
|
Ventilation and Heating system improved |
|
Sep-70 |
|
|
New interior light |
|
Sep-70 |
|
|
British Leyland badge on right front wing only |
|
Sep-70 |
|
|
Tinted glass standard in GT - N. America |
|
Sep-70 |
|
|
Rheostat replaces instrument lighting on-off switch - N. America |
|
Sep-70 |
|
|
Choke knob changed to "T" type |
| |
5-220129 |
5-219491 |
Servo assisted brakes optional - UK cars, single line system |
|
Jan-71 |
5-232765 |
5-233500 |
First serial # this calendar year |
|
May-71 |
|
|
250,000th MGB (An American spec GT) completed |
|
Oct-71 |
5-258001 |
5-258004 |
1972 model year (Unofficial "Mark III" MGB ) (Type 18V
engine, HIF-4 carbs.) |
|
Oct-71 |
|
|
Radio moved from dashboard to new console - UK cars (N. American cars
from 1968 model year) |
|
Oct-71 |
|
|
Fresh air ducts in fascia at old radio mounting location - UK market
cars |
|
Oct-71 |
|
|
Rocker switches replace tumblers - UK cars (N. American cars fitted
from 1968 model year) |
|
Oct-71 |
|
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New padded fascia with glovebox and fresh air vents - N. America |
|
Oct-71 |
|
|
Centre armrest with storage and ashtray |
|
Oct-71 |
|
|
Centre of MG octagon on steering wheel now coloured red |
|
Late '71
|
|
|
Engine oil sump capacity reduced to 6.9 US Pints - Drain plug
re-positioned to side of sump from former rear location |
|
Dec-71 |
5-268080 |
5-268498 |
Automatic inertia seat belts standard for N. American cars |
|
Jan-72 |
5-268635 |
5-269303 |
First serial # this calendar year |
|
Early '72 |
5-279340 |
5-279340 |
Door ventilator frame changed from chrome plated brass to brushed
stainless steel |
|
Oct-72 |
5-294251 |
5-296001 |
1973 model year |
|
Oct-72 |
|
|
Anti run-on valve and carbon canister added to cars with evaporative
fuel loss control system |
|
Oct-72 |
|
|
Steering wheel with slotted spokes replaces one with drilled spokes |
|
Oct-72 |
|
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Leather bound gear lever knob |
|
Oct-72 |
|
|
Armrest added to inside of doors |
|
Oct-72 |
|
|
Cigar lighter standard - UK Market |
|
Oct-72 |
|
|
Door mirrors standard, both doors - N. America |
|
Oct-72 |
|
|
Windscreen wipers with black finish |
|
Oct-72 |
|
|
Heated rear glass - GT |
|
Oct-72 |
|
|
Revised grille with black mesh centre, MG badge on grille has red
background with silver letters |
|
Late '72 |
5-306257 |
5-309326 |
7 blade plastic engine cooling fan replaces 6 blade steel fan |
|
Jan-73 |
5-307772 |
5-310600 |
First serial # this calendar year |
|
Aug-73 |
|
1-101 |
MGB-GT V8 introduced |
|
Dec-73 |
5-328100 |
5-328800 |
Servo assist brakes, single line system, made standard - UK market
cars |