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Oval port vs standard.
No life (a.k.a. DattoMaster)
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2010/11/1 1:01
From Goulburn NSW
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Hi guys apart from the obvious what does an oval port heads have over a standard head.

Posted on: 2012/7/16 7:27
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Re: Oval port vs standard.
No life (a.k.a. DattoMaster)
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From Melbourne, Australia
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more flow (bigger ports)

some have coolant passages, some don't

best to have a matching oval port head though, otherwise you wont get any advantage

Posted on: 2012/7/16 7:29
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Re: Oval port vs standard.
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More flow above 3000 RPM. Less flow at lower RPMs.

Posted on: 2012/7/16 8:33
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Re: Oval port vs standard.
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Street Cred.

Posted on: 2012/7/17 9:55
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Re: Oval port vs standard.
No life (a.k.a. DattoMaster)
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a15 oval port heads have bigger valves i always thought never measured em but.

Posted on: 2012/7/17 12:11
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Re: Oval port vs standard.
Home away from home
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Hey does a 15 have double valve springs?

Posted on: 2012/7/17 17:36
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Re: Oval port vs standard.
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A15

double springs: No
bigger valves: No, same as A14

A15 uses sames heads as A14

Posted on: 2012/7/17 19:02
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