hey guys I have a normally aspirated vt commodore ecotech 3.8 just woundering if I buy the 25mm manifold insulator and the 25mm plenum spacer will I have trouble closing the bonnet.
Posted by MACE Support on 30 April 2018 12:50 PM
You would. To give you an idea in regards to clearance, with respect to how high you raise the intake manifold/plenum, please refer to the link below. Given you have a naturally aspirated v6 ecotec though, we would recommend running a 12mm plenum spacer and a 25mm manifold insulator.

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