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Registered
Join Date: Nov 2000
Location: Longmont, Colorado
Posts: 1,859
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3.0 sc distributor question
Hi gang...
I need to install a 3.0SC (with that direction of rotation) distributor into my current project. Its getting recurved to run with carbs so my question isn't about the different factory curves.. I'm really just wondering if there is any housing or body differences that lead me to need a certain year of distributor (early vs late?) thanks all brant
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914/6 2.0S with twin plug all metal body panels 19quarts of oil 4 gallons of gas and 1826 lbs (wet) |
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03-27-2010, 06:55 AM
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What engine are you dropping this 3.0 SC dist. into? The early engine case, 71 on down, have a smaller O.D. hole for the dist. 72 on up case's will accept the 3.0 SC dist.
Also you will have to make sure the crankshaft dist. drive gear is for the 3.0 SC which has the CCW rotation.
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Mark Jung Bend, OR MFI Werks.com |
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03-27-2010, 07:38 AM
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Registered
Join Date: Nov 2000
Location: Longmont, Colorado
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I should be ok regarding engine case
I really just want to know if there is a difference in outside housing appearance. but to answer your question its going on a 7R (1973.5) small spiggot case it will be a 2.0 twin plug race motor... and I'm putting the different distributor drive inside to make it a CCW distributor. the distributor housing appearance question is just about appearance really. I'm trying to figure out if different years have vacuum pots or different appearances. p.s. Your outlaw is amazing! beautiful!
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914/6 2.0S with twin plug all metal body panels 19quarts of oil 4 gallons of gas and 1826 lbs (wet) Last edited by Brant; 03-27-2010 at 08:48 AM.. |
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03-27-2010, 08:44 AM
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Somatic Negative Optimist
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SC distributors are the same except for vacuum pods.
'78-'79 non-Lambda have only vac advance. (1 vac line) '80-'83 Lambda have advance and retard. (2 vac lines) If you recurve the distributor to run without vacuum, the pod will be removed anyway, so, either year will do. The inside plate is locked with a screw thru the body and the hole covered.
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1980 Carrerarized SC with SS 3.2, LSD & Extras. SOLD! 1995 seafoam-green 993 C2, LSD, Sport seats.  Abstract Darwin Ipso Facto: "Life is evolutionary random and has no meaning as evidenced by 7 Billion paranoid talking monkeys with super-inflated egos and matching vanity worshipping illusionary Gods and Saviors ". 
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03-27-2010, 09:43 AM
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Join Date: Jul 2001
Location: Portland Oregon
Posts: 7,007
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Brant,
Any '78-'83 SC distributor will work for your application. The vacuum unit should be removed and the trigger plate properly secured so you'll run centrifugal advance only. The early versions ('78-'79) had a little more range of advance however a twin-plug motor doesn't need much to begin with. Just make sure whichever one you choose gets rebuilt with new bushings and spacers to handle the additional weight of the rotor.
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Steve Weiner Rennsport Systems Portland Oregon (503) 244-0990 porsche@rennsportsystems.com www.rennsportsystems.com |
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03-27-2010, 09:44 AM
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Registered
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Location: Longmont, Colorado
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perfect.
thanks a ton to all of you and there is an amazing amount of knowledge on this board
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914/6 2.0S with twin plug all metal body panels 19quarts of oil 4 gallons of gas and 1826 lbs (wet) |
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03-27-2010, 10:41 AM
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1957 Porsche 356 A Coupe 2.7 Short Stroke
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