Engine, Intake, Exhaust Modifications to your Normally Aspirated Hyundai engine. Cold Air Intakes, Spark Plugs/wires, Cat back Exhaust...etc.

Bored out Intake Manifolds

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Old Sep 8, 2001 | 04:45 AM
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Default Bored out Intake Manifolds

I was wondering if anyone might know where i might be able to get my stock intake manifold bored out so when i get my tb from SR, there will be no restriction in the air flow.
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Old Sep 8, 2001 | 05:01 AM
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From: Rancho Palos Verdes, CA
Vehicle: 2008 Toyota Prius 2006 Suzuki SV650S
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Any decent machine shop should be able to do it. Just have them bore it out to 60MM.

Onpol in Peurto Rico does the bore job, but he also gasket matches the intake runners and polishes the last 4-6" of the inake runners.

Here you can see the difference. The Onpol modified unit is on the bottom.

Stock VS Onpol Modified

Closeup of Stock IM port

Closeup of OnPol Modified port

[ September 08, 2001: Message edited by: Random ]
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