polishing intake runners worthwhile? & bosch high psi/high

Ross Corrigan 280zx at home.com
Fri May 11 16:43:48 GMT 2001


At 01:15 AM 5/11/01 , you wrote:
>As far as i knew, the intake manifolds are designed to be slightly rough for
>a purpose(jsut like if you look at and good head work, the combustion
>chambers look like a mirror , but the intake runners and ports are slightly
>rough)
>this is so that when your air and fuel enter the runner, this slight texture
>creates turbulence which keeps the gas molecules suspended better in the
>air... gives a more even distribution(or would it be disbursement), and a
>better mix(for lack of a better term).. which gets more essential the FURTHER
>the injectors are placed from the head , in the manifold.
>
>hope this helps...
>
>Tony Blatnica

Thanks Tony, I follow and agree with all you state. These injectors are 
practically at the end of the runner and shooting fuel at the intake 
valve...I'd polish most of the length of the runner leaving some near it's 
exit to the head etc was my thinking.


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