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Slippery Slope Expert
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SC Distributor Question
1982 variety. Which way does it rotate?
The Bentley manual (p. 280-2, top of page, in italics) states CW; Wayne's books says (p. 178) says CCW. So which is it? I would just turn the engine over and check but to do so I would have to remove the rear engine mount. Wear on the rotor tip would indicate to me this engine is a CW engine. See photos.  
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06-08-2019, 10:50 AM
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Registered
Join Date: Feb 2004
Location: denver
Posts: 1,146
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SC's are CCW unless the gear on the crank is changed.
john |
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06-08-2019, 11:08 AM
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On flat ground and with the parking brake off, put the trans in 4th gear. Then at the rear bumper, push the car forward until the rotor spins.
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06-08-2019, 11:10 AM
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Slippery Slope Expert
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Engine not in the car, so that’s not an option.
Distributor is Bosch P/N 0.237.303.003 which I think was originally for the 1978-1979 euro SC. No Vacuum advance. Perhaps Bentley is wrong here?
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“As new technologies become indistinguishable from magic, and I can no longer tinker, the magic goes away for me.” |
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06-08-2019, 11:22 AM
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Posts: 3,346
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Stock SC is CCW.
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72 Carrera RS replica, Spec 911 racer |
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06-08-2019, 01:33 PM
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Slippery Slope Expert
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So I guess the Bentley book is incorrect.
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“As new technologies become indistinguishable from magic, and I can no longer tinker, the magic goes away for me.” |
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06-08-2019, 03:19 PM
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Try not, Do or Do not
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Quote:
Here's a picture of an 003 I have in the shop. 
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Henry Schmidt SUPERTEC PERFORMANCE Ph: 760-728-3062 Email: supertec1@earthlink.net |
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06-08-2019, 07:23 PM
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Slippery Slope Expert
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Thank you Henry. I will get the inspection mirror and look for the arrow. I don’t think I ever noticed that before.
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“As new technologies become indistinguishable from magic, and I can no longer tinker, the magic goes away for me.” |
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06-09-2019, 04:42 AM
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Join Date: Jul 2001
Location: Lawrenceville GA 30045
Posts: 7,377
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On the Bentley web site - they have a few corrections which should be printed and/or manually edited in your hard copy for the SC manual:
Cylinder Heads, Installing Distributor rotation - page 280-2 (P983) Wheel brearing cover plate tightening torque correction - page 420-20 (P983) https://wiki.bentleypublishers.com/display/tech/Porsche+911+SC+Service+Manual+-+1978-1983+%28P983%29+-+Updates
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Mark '83 SC Targa - since 5/5/2001 '06 911 S Aerokit - from 5/2/2016 to 11/14/2018 '11 911 S w/PDK - from 7/2/2021 to ??? |
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06-09-2019, 04:02 PM
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Join Date: Oct 2008
Location: Nash County, NC.
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In the first picture you’re on the wrong side, you want the rotor leading point approaching the
Firing mark. You need to pull the distributor and back the rotor one cog on the crank. Bruce |
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06-10-2019, 04:05 PM
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Slippery Slope Expert
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Thanks.
That pic is after reading the Bentley; it was previously as you mentioned but I changed it. It is now put back. Buts thanks for pointing that out.
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“As new technologies become indistinguishable from magic, and I can no longer tinker, the magic goes away for me.” |
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06-11-2019, 03:23 AM
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Porsche
Retor 911
Scarab
Riley
