There are three alternatives when thinking of axles:
1) ‘English axle’ Standard production axle on all Escorts including RS products. Reliable but prone to bending in very rough events. Produced as homologated axle for RS2000 in Gp 1. Wheel arch extensions not necessary, but also excellent choice for cheap Gp II car.
The Capri derived Atlas axle is no longer available as a new part. Gp 4 axles with their bracketry for Gp 4 suspension can be made up or are available from Rallye Sport Dealers.
STRENGTHENING ENGLISH AXLES
A simple mod to the English axle is to put a strip of ‘U’ section, or round tube, from one side of the axle to the other, remembering to get it as near the spring seats as possible. 1М” dia or lН”xl” channel tube, 14 s. w. g. is ideal and underneath the diff tuck it in front of the flange running round the back of the axle casting to prevent reducing ground clearance more than necessary. Bend this strengthener so that it is under tension when welded up – that way it will be stronger. Use good quality welds.
The standard English axle is adequate enough for competition use if used with a Gp 1 stage of engine tune, or medium power – say up to 150 bhp. Fitted with a Salisbury limited-slip diff and matched to the correct ratio, this is a reliable enough unit.

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