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| MGB Production Modifications, Oct 1967 - Jan 1970 | ||||
| Date | Roadster Chassis No. |
GT Chassis No. |
Remarks © 1994 Orin B. Harding (Last Revised: 24-May-94) |
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Oct-67 |
4-138401 |
4-139472 |
1968 model year - Forth series (Mark II) MGB (Type 18GF engine, HS-4 Carbs.) |
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Oct-67 |
Alternator as standard - Negative earth electric’s |
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Oct-67 |
Pre-engaged starter |
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Oct-67 |
Automatic transmission option introduced - Not available in N. America |
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Oct-67 |
Gearbox tunnel enlarged to accommodate 4 synchro and auto transmission |
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Oct-67 |
4 synchro transmission introduced |
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Oct-67 |
Engine fitted with emission control equipment (air pump, check valve, gulp valve, etc.) - N. America |
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Oct-67 |
Dual circuit brakes added to N. American cars (No servo available) |
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Oct-67 |
Energy absorbing steering column with steering lock - N. America |
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Oct-67 |
Padded fascia (no glovebox), Radio in new Centre console, and rocker style switches standard - N. America. UK cars retain steel fascia |
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Oct-67 |
Hazard warning flashers |
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Oct-67 |
Cigar lighter standard - N. America |
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Oct-67 |
On-off switch replaces instrument lighting rheostat - N. America |
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Oct-67 |
Overdrive switch combined with steering column mounted windscreen wiper switch - N. America |
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Oct-67 |
Drivers door mirror standard - N. America |
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Oct-67 |
Type "LH" Overdrive unit replaces type "D" Overdrive unit |
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Oct-67 |
31.125" drive shaft common for all cars (O/D and non-O/D) |
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Jan-68 |
UNK |
UNK |
First serial # this calendar year |
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Oct-68 |
4-158371 |
4-158231 |
1969 model year (Type 18GH engine, HS-4 carb) |
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Oct-68 |
Solid coloured leather seats, with piping same colour as seats |
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Oct-68 |
3 windscreen wipers on roadster - N. America |
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Oct-68 |
Side reflectors - N. America |
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Oct-68 |
Front wing changed, flasher lamps closer to grille opening |
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Oct-68 |
Reclining seats |
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Oct-68 |
Headrest standard - N. America |
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Jan-69 |
4-159806 |
4-162552 |
First serial # this calendar year |
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4-Aug-69 |
Last MGC roadster completed (4,542 built) |
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4-Aug-69 |
9102 |
Last MGC-GT (4,457 built) completed a Primrose, left drive which was shipped from the factory on 18 Sept. 1969 |
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Oct-69 |
5-187211 |
5-187841 |
1970 model year - Fifth series MGB introduced |
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Oct-69 |
Recessed radiator grille |
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Oct-69 |
Leyland motif on each front wing just forward of door (Except Arab countries) |
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Oct-69 |
Rubber inserts in bumper overriders |
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Oct-69 |
ROstyle (Rubery Owen) wheels introduced |
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Oct-69 |
Vinyl in lieu of leather seat covers |
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Oct-69 |
Smaller steering wheel with three drilled spokes |
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Oct-69 |
Split rear bumper - 1970 model year only |
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Oct-69 |
Heater made standard in roadster and GT - Option up to this date |
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Oct-69 |
Unique tail lamp for N. America - Amber flasher lens on bottom (UK on top) |
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Oct-69 |
Side lights replace simple reflectors - N. America |
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Oct-69 |
"Dipping" rear mirror |
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Jan-70 |
5-196222 |
5-194552 |
First serial # this calendar year |
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1970 |
Steel bonnet replaces aluminium - date and change point unknown |
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