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Old 04-29-06, 12:05 AM   #7 (permalink)
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khaines
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Australia
 
Join Date: Mar 2006
Location: Sydney Australia
GT40: RF
Posts: 28
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Re: Manifold Vacuum Fitting

I have a standard RF 4-barrell manifold, not 8, so there may be differences. Plumbing was checked at the factory.

At the end of the fuel rail, as pictured, the left connection is for the fuel-return hose that goes back to the fuel collector tank. The right connection goes via a tee to the manifold below the air filter (which obviously you won't have). From the tee, the hose goes to the MAP.

There are three hoses connected to the manifold below the air filter: one towards the rear of the car going to the PCV valve in the rocker cover; the other two are towards the front of the car, one going to the MAP and fuel rail as described above; and one going to the CCV (the connector in the middle of the CCV).

The other hose on the CCV goes via a tee to both carbon cannisters. Each carbon cannister has three hoses: one connected to the CCV; one to the respective fuel tank; and one to the ground (overflow).

There is no brake boost on a standard RF.
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