Focaljet - Ford Focus Forums - View Single Post - Suzuki GSXR 750 quad Throttle Body Install on 2.3 L Duratec

**JohnStranahan** · 08-19-2008, 04:54 PM

I found a photo of these bodies on the motorcyle engine. It appeared that the secondary throttle plates were inboard of the primaries. The primaries are a gold color, the secondaries a steel color. I have seen other pictures as well as a video of different models with these reversed.

In any case I have removed the larger diameter portion of the throttle bodies. They are a straight bore now. The injector bung will only be used to inject Exhaust Gas (EGR) so fuel delivery is not affected. The stock ford fuel injectors in the head will be used.

This orientation puts the throttle linkage where the cables are and improves the appearance by putting EGR plumbing below the throttle bodies out of sight. I can clamp them on either way though.

I measured the part I cut off. It is 44 mm Id on one end and 49 mm ID on the big end. The 44 mm ID is now at the Manifold inlet. The taper is removed for the most part.

John

08-19-2008, 04:54 PM	#185
JohnStranahan Junior Member Join Date: Dec 2004 Posts: 98	Re: Suzuki GSXR 750 quad Throttle Body Install on 2.3 L Duratec I found a photo of these bodies on the motorcyle engine. It appeared that the secondary throttle plates were inboard of the primaries. The primaries are a gold color, the secondaries a steel color. I have seen other pictures as well as a video of different models with these reversed. In any case I have removed the larger diameter portion of the throttle bodies. They are a straight bore now. The injector bung will only be used to inject Exhaust Gas (EGR) so fuel delivery is not affected. The stock ford fuel injectors in the head will be used. This orientation puts the throttle linkage where the cables are and improves the appearance by putting EGR plumbing below the throttle bodies out of sight. I can clamp them on either way though. I measured the part I cut off. It is 44 mm Id on one end and 49 mm ID on the big end. The 44 mm ID is now at the Manifold inlet. The taper is removed for the most part. John