It's pretty obvious. First off how do you know your detonating? Are you hearing it or do you have actual gauges. Detonation is caused by lack of fuel, so...... give your engine more fuel. What octane fuel are you running? You should be running premium gas. You may need bigger injectors, and a aftermarket ECU to work with the injectors, and maybe a fuel pump. Or you could lower the shot til you have the money to buy those.
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