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I know a lot of you guys are using the XU6 tune as a base for forced induction applications. I am doing the same with my Raptor supercharger. The question I have is would the memcal provided by Raptor give more gains than the XU6? The air fuel ratios are spot on with the XU6 memcal but being a factory tune I still feel it is being held back and worthwhile improvements can be made???? Exactly how aggressive is the XU6 tune? It is already 10kw ahead of the standard L67 tune so are there any more gains to be made in regards to tuning and would that mean its on par with the $650 memcal Raptor give you? Did Holden stop at 190kw because its maxed out or just to keep it under the V8's power rating?

how much boost is your raptor charger pushing? xu6 chargers i think are very low like 6 pound max? if the raptor one can produce more !!! than there is more power to be made i think both memcals would be on the safe side of tuning! also is the raptor memcal you have off the shelf type or was it a custom real time dyno tune or simular? cause nothing beats custom tunes