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H89 vs gx head

Subject: H89 vs gx head
by a12dato120y on 2019/5/15 13:34:08

I have always wondered how a gx head can flow more stock vs stock.

I realise the gx has bigger ports then the h89 but the have smaller valves in comparison to the h89.

Wouldnt it the gx head with bugger port but smaller valves tend to flow less or possibly be very similar to the h89?

Hope someone can give some insight on this or even share some flow figures.