modification in cars

so guys you now clearly find out the modifications in cars from the invention of cars to uptill 1966                      
specifications:
engine specifications.

Bore × stroke		75.00 mm × 61.00 mm 2.95 in × 2.4 in
Cylinders		Inline 4
Displacement		1.1 litre 1077 cc (65.723 cu in)
Type		OHV Key:  SOHC Single overhead camshaft DOHC Double overhead camshaft OHV Overhead valves TS Two stroke SV Side valves Sl Sleeve valves oise Overhead inlet side exhaust See more...  2 valves per cylinder 8 valves in total
Construction
Sump		Wet sumped
Compression ratio		9.00:1
Fuel system
Maximum power		59.8 PS (59 bhp) (44 kW) @ 6000 rpm
Specific output		54.8 bhp/litre 0.9 bhp/cu in
Maximum torque		83.0 Nm (61 ft·lb) (8.5 kgm) @ 3800 rpm
bmep		968.4 kPa (140.5 psi)
Specific torque		77.07 Nm/litre
Maximum rpm
Manufacturer		Toyota
Code
Main bearings
Coolant		Water
Bore/stroke ratio		1.23
Unitary capacity		269.25 cc per cylinder
Aspiration		Normal
Compressor type		N/A
Intercooler		None
Catalytic converter		N

dimension and weight.

Wheelbase		2285 mm	90 in
Track	front	1235 mm	48.6 in
	rear	1220 mm	48 in
Length		3855 mm	151.8 in
Width		1485 mm	58.5 in
Height		1380 mm	54.3 in
Length:wheelbase ratio		1.69
Ground clearance
Kerb weight		720 kg	1587 lb
Weight distribution (Front)
Fuel capacity		36 litres	7.9 UK Gal	9.5 US Gal

now you guys clearly find out the modification in mechanical science from this post.