IWG75 Nissan TD42T Kit 7 PSIThe TD42T 4. 2 litre turbo diesel was the favoured engine choice for Patrol buyers. However, in stock form, its performance leaves much room for improvement and the lack of power is exacerbated when heavy off road equipment and larger tyres are fitted. Therefore, it's not uncommon for owners to invest in tuning their Patrols to improve the vehicle's performance and drivability. One of the problems encountered when tuning a diesel Patrol is the erratic