Category: Engine & Transmission
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Dynamo and Regulator
Article first created: 5 Mar 2016 Dynamo The original cars were fitted with a Lucas C40 dynamo. Positive to negative earth The C40 can be re-polarised if converting the car from positive to negative earth. This is quite straight forward but I cannot remember all the steps. The battery needs to be turned around The…
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Alternator Conversion
Article first created: 5 Mar 2016 Issue This article focusses on cars with standard 1200cc or 1500cc pre-crossflow engines. The principles are similar for modified cars but further consideration will be needed for engine bracketry for the alternator and to align pulleys and ensure fan belt runs correctly. For ease of conversion I purchased a…
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Mechanical Fuel Pump
Date: 26 Oct 2021 Issue This article focusses on the standard mechanical fuel pump fitted to standard 1200cc and 1500cc pre-crossflow engines. Engine won’t start, no fuel in pump bowl. Loss of top end power or engine splutters at speed. Oil drip under car. Diagnosis First check there is actually fuel in the tank. To…
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Rear Axle and Differential
Date: 26 Oct 2021 Issue My knowledge of rear axles is limited. The rear axle comprises of a differential unit that transfers power from the prop shaft to each half shaft. The differential performs two functions: A differential unit is required to balance wheel speeds when cornering i.e. enable the wheel on the outside of…
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Gear Selection Indicator
Date: 26 Oct 2021 Issue One part unique to an automatic Cortina is the column mounted gear selector and illuminated gear selected indicator along with the cowling that covers the mechanism. One part that is very easy to break is the plastic pointer that indicates the gear selected that fits up inside the cowling and…
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Gear Selection for Automatic Gearbox
Date: 26 Oct 2021 Issue The automatic gearbox is a BW35 unit – matched to many low power engines of the period (the later BW65 was a much smoother box when coupled with a Rover V8 – in a Rover of course) The BW35 has 4 speeds: The column selector for my auto-box wore out…