2.25-LITRE DIESEL (1983 - 1984)

Land Rover Monthly - - Guide To Defender Engines -

IT MAY be a throw­back to the Se­ries III and ear­lier, but this is the so-called 2.3 en­gine (ac­tu­ally still 2286cc), the stronger and al­legedly smoother unit, thanks to hav­ing five main bear­ings in­stead of the early ver­sion’s three-bear­ing crank­shaft.

This in­di­rect in­jec­tion en­gine fea­tured pre-com­bus­tion cham­bers, one for ev­ery cylin­der, fit­ted into re­cesses in the head, in which the fuel and air was mixed be­fore reach­ing the real com­bus­tion cham­ber. This ar­range­ment was the norm for the time and pro­duced a rel­a­tively quiet com­bus­tion noise, though stand­ing next to one of th­ese en­gines on tick­over might con­vince us oth­er­wise.

Para­dox­i­cally, this was a high­main­te­nance en­gine that would with­stand ut­ter ne­glect. A car­tridge oil fil­ter, tap­pets to set and a tim­ing chain that could stretch and put the fu­elling out of kil­ter, all helped to make owner main­te­nance a re­ward­ing art form – ser­vice it prop­erly, and it would run for­ever – ne­glect it, and it would still run for­ever but with a lot of smoke and clat­ter. Per­for­mance was no bet­ter than the Se­ries III ver­sion, though a so­le­noid fuel shut-off af­forded the so­phis­ti­ca­tion of the en­gine stop­ping when you turned the key off. The en­gine con­tin­ued its pre­vi­ously suc­cess­ful run, also pow­er­ing Lon­don taxis, and mod­i­fied as a boat en­gine in the USA. • Max­i­mum torque at 1500 rpm must make

this the coolest off-road crawler • Fix­able al­most any­where by al­most any­one,

but rarely needed fix­ing • Quite im­per­vi­ous to over­heat, dodgy

me­chan­ics, dodgy fuel and dodgy ser­vic­ing • Al­most im­pos­si­ble for it not to start

up in­stantly • Hor­ren­dously noisy on a

long jour­ney • Masses of vi­bra­tion • Road speeds more suit­able for

a hearse

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