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another round please
Join Date: Sep 2004
Location: Carmel In.
Posts: 4,452
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intake manifold gasket--question
I've just taken off my right side intake manifold to check for a blown intake gasket. They look good, but I got some from our host so I could change them. My question is this. The book says it takes two per cylinder, but I see only one in the origanal configuration on the block. There is a thin gasket on top and underneath I see a hard rubber gasket about 3/8 inch thick , but I dont see another thin gasket under it. Why, since there is not 2, do I need to replace with 2 ? I dont want to screw it up, so any help would be appreciated. Thanks
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Getting old is not for wimps. |
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10-06-2006, 05:59 PM
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Registered
Join Date: Mar 2002
Posts: 3,563
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There should be TWO gaskets. One under and one above the bakelite spacer. If you don't have a lower gasket, then it most probably got sucked into your intake, which I hear is quite common for these cars. Install two and torque down the manifold accordingly (18# I think?).
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Merv '89 911 Turbo Cab Protomotive MAP ECU, Twin Plugged Heads, GT2-EVO CAMs, 3.3L fully finned P&C's, ARP fasteners, C2T head gaskets, Titanium Retainers, Turbo spec valves, springs & guides, 964 splash valves, GT35R BB turbo, GSF Stainless Headers, Magnaflow Exhaust, Full bay Intercooler, TiAL 46mm w/gate, TiAL 50mm BOV, Apexi AVC-R EBC, SPEC Stage3+ Clutch kit, Crane CDI Ignition 
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10-06-2006, 07:36 PM
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another round please
Join Date: Sep 2004
Location: Carmel In.
Posts: 4,452
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Thanks. Yes there were two on the other's, but #4 got sucked in. I was a bit hasty before I looked further. I think I might have solve my problem. More results saturday.
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10-06-2006, 07:49 PM
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another round please
Join Date: Sep 2004
Location: Carmel In.
Posts: 4,452
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Hell, forget about saturday, ----I found my PROBLEM. It was a blown intake gasket. The symptoms were: rough idle, popping during idle, sluggish during low RPM, and a miss during steady driving about 2000 RPM. I have to thank Jack Olson with the exact solution long ago. I just drove the car tonight for a short drive, but the difference was really great. I now have all 6 cylinders, and isn't that what Porsche's are all about.
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10-06-2006, 08:45 PM
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