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Just wanting to know what can be done to a 2004 4.2 turbo engine to increase power & economy
I know i don't ask for much,
The 3.0lt common rail seems to do ok with a computer upgrade & exhaust!
I assume a 3 inch mandrel bent exhaust will be the first step, I know boosting the Turbo creates power but where do you stop, The vehicle will do the canning stock route one day so it needs to remain reliable