Knowledgebase: GENERAL ENQUIRIES
I have a 2003 Holden VY S, Series II supercharged vehicle. I purchased a 10PSI pulley and cold air intake for the vehicle from you last year. I also have a 4 inch pipe from the MAF to the pod.Currently my fuel consumption sits at 20.4L/100km which is very
Posted by MACE Support on 30 April 2018 09:08 AM
If they can't access the factory tune it is because they haven't got the right software to do so. We can help them out with this if required. With a good tune, they will be able to extract more power from the car and at the same time improve fuel economy slightly. However 30rwkw from only a tune with the mods in question would be unrealistic IMHO. We can provide you with a memcal which will result in a performance gain at a much lower cost than a custom dyno tune. Your poor fuel economy could well be a result of bad Oxygen sensors which may need replacing. This is usually the main culprit for poor fuel economy in most cars.

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