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Join Date: Jan 2005
Location: cape cod, ma
Posts: 680
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what gaskets to use? 3.0 carb conversion.
Trying to find the right gaskets for top and bottom of insulators for a 3.0 carb conversion.
What does everyone use. Thanks. |
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11-10-2011, 12:39 PM
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Join Date: Mar 2001
Location: Marysville Wa.
Posts: 22,486
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CIS style at the head and carb intake style above the insulator. do you have the PMO adapter/insulators that block the injector cutout in the head?
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https://www.instagram.com/johnwalker8704 8009 103rd pl ne Marysville Wa 98270 206 637 4071 |
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11-10-2011, 01:04 PM
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Location: cape cod, ma
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I don't know what brand they are but they do block off the notch at the head, but then have a notch on the top of the insulator.
The old gaskets that i took off fit perfectly and didn't have a cut out for the injectors, trying to find those. |
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11-10-2011, 01:41 PM
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Join Date: Mar 2004
Location: Windsor, CT
Posts: 2,119
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I used a early 1970s 911S gasket (with the 36mm port size) on my 34mm heads/manifold
What size ports are yours, 34 or 39mm?
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Mike '82 911SC, SSI, 22/29 tbars, 22F/22R Adj swaybars, Bilstein Sport, Elephant polybronze & monoballs, Cambermeister bar, turbo tierods, Carrera oil cooler, front brake cooling ducts, Sparco Sprint 5 & Recaro SRD PAX seat, Teamtech harness, DAS Sport rollbar. |
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11-10-2011, 02:15 PM
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Location: cape cod, ma
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39 ports. I suppose I could make them since I have the old ones as a template, but never tried that before.
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11-10-2011, 02:22 PM
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Location: Windsor, CT
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John has the right answer.
CIS Gasket: 930-110-197-12-M17 the 911S gasket is only ~36mm: 901-108-391-05-M17, so the hole might be a little small.
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Mike '82 911SC, SSI, 22/29 tbars, 22F/22R Adj swaybars, Bilstein Sport, Elephant polybronze & monoballs, Cambermeister bar, turbo tierods, Carrera oil cooler, front brake cooling ducts, Sparco Sprint 5 & Recaro SRD PAX seat, Teamtech harness, DAS Sport rollbar. |
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11-10-2011, 02:50 PM
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Location: cape cod, ma
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That one has the notch cut out, is that ok?
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11-10-2011, 03:24 PM
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Location: Windsor, CT
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Do you mean the two notches on the outside edges? No issues for me.
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11-10-2011, 04:37 PM
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