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Your right baldlobo, this motor has iron heads and block. The same design as the F body Firebirds and Camaros, mine doesnt have a plastic intake though, the intake is alloy on the Holden. The model after this was the new "Alloytec" DOHC V6 which was alloy block/heads and started in 2004 with a 3.6L
i have considered an engine swap once this one needs a rebuild, its still going fine at 168000 miles now though. i was looking at either rebuilding and turboing this one, getting the factory supercharged model, or swapping to something different like the 1UZFE toyota V8, i want something a with a bit more torque for hauling around the 3-400kgs of audio gear i have in it as well as occasional towing and up to 5 people in the car, obviously an LS1 would be a straightforward choice but with the extra battery, wiring and bigger alternator im running out of engine bay space
Us aussies like our big family sedans and wagons because everything is so far apart, driving from my city to the next main city is 8 hours of open country highways and a big comfy car soaks up road trips like a champ, the V8 ones are even better with a 6 speed gearbox instead of my 5 speed, they actually use less fuel at highway speeds
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