I have a 2003 VY Commodore Ecotec V6 sedan. Would adding a manifold insulator increase the performance further? Michael August 23, 2023 07:24 Updated Yes, it will increase the performance. Related articles Does Mace offer a mail order mafless tune to suit a V6 ecotec/L67? I’m Replacing My Ecotec Motor With An L67 – Do I Need To Replace The Entire Loom? I have a series 1 VN motor in which I am looking to upgrade the camshaft to a stage three flanged cam. Does this fit in without any modification? I'm looking at buying a 69mm TB Comments 0 comments Please sign in to leave a comment.
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