Yeah I'm sure you could. Not sure how much tho. We have'n done much playing around with thier blowers. Maybe the Raptor guys could answer. The head gskets will give you another 8.0cc of clearance volume.
To run more boost you need to lower combustion pressure or temp. To do this you could;
1. lower the compression; thicker head gaskets, chamber mods, low comp pistons.
2. lower the combustion pressure; bigger cam, different fuel.
3. lower the combustion temp; intercooler, different fuel, richer mixture.
Cheers.
Mark.
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