The fuel tank fitting on the Longbridge cars is different from later BN4s and also the 3000s that followed. The photo on the left shows the 'Longbridge' fitting which is similar to that on the 100s. The only difference is that it was  moved over to the right side of the tank The later style 'Abingdon' tank has a right angled shoulder fitting attached to the tank and the fuel line comes straight through the bulhead and directly into the fitting.

In order to be able to accommodate the Abingdon style tank fitting the hole in the bulkhead had to be lowered. In cases where Longbridge cars have been fitted with replacement tanks it is very common to find that the owner has drilled a second hole  in the bulkhead to enable the fuel line to meet the fitting.

Fuel Tank Fitting

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Air Filters

Vacuum Advance Line

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The vacuum advance line on the Longbridge 2-port head cars incorporated this bell shaped feature. It is an oil, gas and moisture trap designed to prevent damage to the diaphram in the vacuum advance unit on the distributor. It has no separate part number because it is soldered in line with the whole pipe from from the distributor to carb.

Interestingly there was a third type of fuel line which arrived around car number 60413. This is part # AHB 5400 and it was required in order to accomodate the change  from the round body type fuel pump as found on 100s to the new square bodied type. When the new tank appeared shortly thereafter then this part was discontinued.

Here is another example from a different car. 'Longbridge' Tank (to car CE 68959) Part #11B2248 'Abingdon' Tank (from car CE 68959) Part# 11B2375 The fuel line to the Longbridge tank was Part#11B2192 the fuel line to the Abingdon tank was Part# AHB 8334

When the 2-port BN4 was first introduced it arrived with Burgess air filters similar to the one shown here. This is a NOS  example belonging to Jim Lesher. According to Peter Svilans Burgess air filters changed from black  to 'hammertone' green on the BN2s in Jan 1955 and one would have expected this colour to carry over to the 100-Six - this  apparantly was not the case.

100-Six

Longbridge Features                  Page 4

These are the Coopers type air filters which were introduced from Car # 48862 They were always this silver/aluminium colour

photo Doug Reid Car# BNL-O- 34102 Mac Holt

photo Doug Reid Car# BNL-O- 34102 Mac Holt