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Started by removing all the unnecessary egr crap, butterfly from intercooler, rerouted crank case breather to atmosphere and a 3" exhaust with aftermarket dump pipe. I grabbed some gauges (boost,pyro and oil pressure) and as I am familiar with this sort of stuff tuned here up a little which thoroughly improved how she went and towed. I then followed this with a tune on a dyno to see how I had gone by myself and I was pretty close, the dyno operator tweaked it a little which improved the overall driveability.
For myself the next mod was a turbo upgrade. I swapped out the factory unit in favour of a TD05 18G from united fuel injection. This made a major improvement on its own, I still have boost response comparable to the stock unit but the extra volume has allowed much better pulling power and better fuel efficiency when towing and what not. I have just fitted a staright through 3" stainless exhaust (sounds awesome) and the mods to come are a 600x300x76 front mount intercooler ( the stock unit is useless), modified intake manifold and possibly a tweaked injector pump.
the next mod was a turbo upgrade. I swapped out the factory unit in favour of a TD05 18G from united fuel injection. This made a major improvement on its own, I still have boost response comparable to the stock unit but the extra volume has allowed much better pulling power and better fuel efficiency when towing and what not. I have just fitted a staright through 3" stainless exhaust (sounds awesome) and the mods to come are a 600x300x76 front mount intercooler ( the stock unit is useless), modified intake manifold and possibly a tweaked injector pump.
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