Do u recommend to block the silence ports in L67 Supercharger porting? Michael August 16, 2023 03:12 Updated Generally no, unless you really really want the supercharger to have a louder whine. Related articles I want to turbo my L67 engine. So can i just change the intake manifold or do i need to put the ecotec heads too? Comments 0 comments Please sign in to leave a comment.
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