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Registered User
Join Date: May 2004
Location: Colorado
Posts: 55
plenum removal

How does one remove the plenum from a it via the 2 post holes next to the TB? if so, are they bolts or screws down there?
Had restored '69 911E updated to 'S'
Just sold my 308 Ferrari
just got '76 2.0
Old 11-11-2004, 09:57 AM
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Alfred1's Avatar
Join Date: Feb 2003
Posts: 1,207
I think you have to remove the fuel injectors and intake runners before you can remove the plenum. I believe there are screws like the ones that hold the sheetmetal to the motor that fasten the plenum down. You'll need a large flathead screwdriver to remove them.
Old 11-11-2004, 11:58 AM
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Dave at Pelican Parts's Avatar
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Yup. Two of the screws that hold the engine tin onto the crankcase also hold down two "legs" that extend down from the plenum. And there is a third "leg" that goes to the crankcase seam at the rear; usually the same bolt that the injector ground point is on.

...What else? Hmm. Several hoses, a few wires, and the throttle cable have to be disconnected. You can leave the throttle body on the plenum if you like, or remove it. The air cleaner (top half at least) has to be removed.

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Old 11-11-2004, 01:07 PM
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