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[AndyMV6]

Hi All,

I was advised that if i grind my omega 3.0 exhaust ports i would gain more flow.

I have drawn a crude picture to help explain, the red ring is what im advised to grind away on the head and exhaust manifold. I think its where the air injection goes in.


Thanks everyone

Andy

[Darth Loo-knee]

I believe its your inlets you need to do  

[AndyMV6]

Thanks for your reply Loo-Knee. They guy i was speaking with said that the biggest prob with vauxhall v6's are the exhaust restrictions. The omega in particular has a very restrictive exhaust manifold and grinding the ports and maniflold will improve flow.

I didnt relise you could grind the inlet also!!!  

[Darth Loo-knee]

I believe you can gring some out of the exhaust ports but the inlet is where its more important.
I also believe the exhaust manifold is where the restriction is, so maybe three branch manifolds would be an idea, but expensive