Isis Series I (1955-56)

Morris Isis Series I
Overview
Manufacturer - BMC
Production - 1955-1956 (8541 made)
Assembly - United Kingdom / Victoria Park, Australia
Body and chassis
Body style - 4-door saloon / 2-door estate car
Related - Morris Oxford series II
Powertrain
Engine - 2.6 L C-Series Straight-6
Transmission - 4-speed manual / optional overdrive
Chronology
Predecessor - Morris Six MS

The Series I Isis was launched in March 1955 as a replacement for the Morris Six MS. It featured a 6-cylinder engine, the 2.6 L (2,639 cc; 161.0 cu in), 86 bhp (64 kW) C-Series unit from the Austin Westminster. Unlike the Westminster, the Isis had a single SU carburettor. The four-speed gearbox had a column change and was available with an optional Borg-Warner overdrive unit.
The car was based on the four-cylinder Morris Oxford series II, sharing its almost-unibody shell and torsion bar front suspension. The wheelbase and front end were lengthened to accept the larger straight-six engine, and a "woody" 2-door estate version was also available. With the strong engine, the Isis could reach 90 mph (145 km/h).
Unlike its sister car, the Austin Westminster, which enjoyed moderate success against the volume-selling Ford and Vauxhall sixes of the time, sales were poor, with only 8,500 sold.

Morris Isis Series I
Morris Isis Series I

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