If I buy a throttle body, do I also need to upgrade to a larger MAF (Mass Airflow Meter)? Siya September 18, 2025 11:34 Updated No, that’s not required. The throttle bodies are designed as a straight bolt-on modification and will work with the factory MAF. Related articles Do I need to modify or add anything else when fitting a bored-out throttle body? Can you supply a tune for the MACE 69mm bored-out throttle body to suit Holden Ecotec L36 L67 Supercharged 3.8L V6? What is the difference between the MACE 69MM BORED OUT THROTTLE BODY for Holden VS, VT, VX, WH and the one for VY Ecotec L36/L67 Supercharged 3.8L V6? Does MACE 69MM BORED OUT THROTTLE BODY TO SUIT HOLDEN ECOTEC L36 L67 S/C 3.8L V6 suit US L67 Grandprix with the 3.8L SC engine with the same bolt pattern? I have pontiac g8 V6 ( ly7 ) I want do tune for it with ghost cam sound can you do it for me and how will cost me Comments 0 comments Please sign in to leave a comment.
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