The 3l Nissan 6s were one of the better engines in their time in Holdens. The issue was they cost Holden an arm and a leg to source from Nissan and was only ever an interim measure. Prior to that I had one of their poxy 202s (straight 6) with all the first try of anti emmission gear - had 2 lots of valves burn out in quick succession. Was told the only solution was to sell the car or fit a Yellow Terra head. Will never ever buy another Holden.
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