V8
Do I need to modify or add anything else when fitting a bored-out throttle body?
Our throttle bodies for V6 and V8 engines are a direct replacement for the factory unit, so no additional modifications are required. However, for MAF-tuned Commodores (such as the Ecotec and VS Series III Holden V8), we recommend fitting the bored-out throttle body in conjunction with a reprogrammed PCM/memcal, as the throttle body can slightly alter the transmission shift points.
If I buy a throttle body, do I also need to upgrade to a larger MAF (Mass Airflow Meter)?
No, that’s not required. The throttle bodies are designed as a straight bolt-on modification and will work with the factory MAF.
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