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I have a 1993 GQ 4.2L diesel (non turbo) that has 330,000km on the clock. It's a great truck that will go anywhere but it is damn SLOW!! Anyway, just wanted to get people's thoughts/ideas on what to do to extract more power from it. I have heard about DP Chips etc and the possibility of adding a turbo. Is it feasible to rebuild the existing engine and add a turbo for the best power and torque gain, or am I better off looking at an engine conversion such as a Chev LS1? I have heard the 4.2 engines are bulletproof but will an engine with that many k's on it cope with this treatment? Does anyone know the approximate cost of having this done to the 4.2 diesel? Am I better off keeping the diesel or do I look at another engine? I'm not after sheer tyre frying power, but I need a fair increase over the standard power as I need to tow a small camper van as well as have a noticeable increase whilst 4WDing. Any thoughts and ideas appreciated. Cheers guys,
Scotty.
Last edited by GU_Nemesis; 20th March 2012 at 09:04 PM.
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