Skoda MTX 160RS – Group B Prototype

Published on: Jan 20, 2016 @ 21:12
Originally Published in: 2015 (old website)
(C) Jay Auger - website owner & author
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ŠKODA MTX 160 RS – Group B Prototype

This is a rear-engine Czechoslovakian rally car based on the Skoda’s “Rapid” 130 family of models and developed by Metalex with partner AgroTeam. It shares many parts with Skoda’s other Group B car, the 130 LR. The latter was officially homologated and competed in the B-9 class, while the 160 RS was a prototype that aimed at the B-10 class (for engines between 1300~1599 cc). It used the VAZ 1.6L engine (hence the 160 RS moniker) but was originally planned to use a turbocharged version the 130’s powerplant. However, that move would have necessitated the need to produce 200 homologation cars rather than simply using the existing production model, to which Skoda did not agree. The rear axle was moved 100 mm rearwards compared to the standard car to improve the weight bias.

In 1984, it was tested in 3 national rallies where it performed decently and often beat the 130 LR’s stage times. The project was to unofficially serve as a test bed for Skoda’s bigger ambitions of creating a turbocharged four wheel drive variant for international Group B competition. The project was ultimately cancelled in the same year when Skoda abandoned the idea. By that time, 3 prototypes had been built.

SPECIFICATIONS

Group/Class B/10 PROTOTYPE
Production 1984 # built: 3
Engine
Type VAZ, I-4, OHV 8v, gas rear, longitudinal
Displacement 1568 cc WRC = 1568 cc
Compression ratio 10.5:1
Output power – torque 175 HP@ 8000 rpm 133 lb-ft @ 6200 rpm
Materials block: cast iron cylinder head: cast iron
Aspiration
  • Normal / Natural
  • 2 Weber DCOE carburetors
Ignition N/A
Cooling system water-cooled
Lubrication system N/A N/A
Transmission
Type rear wheel drive 4 speed single row manual gearbox
Gearbox ratios N/A N/A
Differential ratios N/A N/A
Clutch twin plate
Chassis-body
Type Type-743 steel monocoque coupe chassis with roll cage, tubular rear subframe, arch extensions, trunk spoiler, and vented hood
Front suspension struts, coil springs
Rear suspension struts, coil springs, semi-trailing arms
Steering system rack & pinion N/A
Brakes
  • F & R: disc
  • F: 4 pot calipers
  • R: N/A
  • dual circuit with servo
  • adjustable F/R ratio
Dimensions
length: 4200 mm (165.4 in) width: N/A height: 1380 mm (54.3 in)
wheelbase: 2500 mm (98.4 in) front track: N/A rear track: N/A
Rims – tires
  • 13″ x 7.0″
  • 185/60R13
Dry/Unladen Weight 1000 kg (2200 lb)
Weight/power 5.7 kg/HP (12.6 lb/HP)
Fuel tank 30 liters

PICTURES & VIDEOS

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Article by Jay Auger

Website owner & author


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