Member Credit: Shaquille Keon Jenkins
As I looked for this mod for the FWD HR, I didn’t see anything for them. Z1 Motorsports had the option for the VHR engine. So I took it alone myself to try it. I started my polishing the the runners in the lower manifold. Then knocked down the lips on the edges of the top of the manifold. I also gasket matched the bottom.
After that I moved on to the upper manifold I knows down all the big lines in the runners and proceeded to match the ports to the lower manifold. I made a template matching the lower manifold ports and just cut the upper manifold to match. I made sure the all my ports where smooth and clean.
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