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re: sc cis backfire
 good news was tinkering on the old sc today pulled my brand new rotor out and cut the resister out and soldered in a slug .started the car and it ran a little better so while i was messing around i thought of what one of you gentlemen asked about where my advance was. i unhooked the red hose walla the car revs no backfire no hesitation. i have driven it and it runs fine but it lacks some power now if anybody knows what i need to do please tell me and i will be forever greatful
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03-18-2010, 01:15 PM
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Free minder
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It was me who asked where your advance was. So the red hose you disconnected, is that the vacccum line to the distributor? With that hose disconnected, your advance needs to be at 5degBTDC at 900rpm, and 25degATDC at 5000rpm, if I recall correctly. Please double check by doing a search in the archives.
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1978 SC Targa, DC15 cams, 9.3:1 cr, backdated heat, sport exhaust https://1978sctarga.car.blog/ 2014 Cayenne platinum edition 2008 Benz C300 (wife’s) 2010 Honda Civic LX (daughter’s) |
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03-18-2010, 02:03 PM
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Senior Member
Join Date: Feb 2000
Location: Lacey, WA. USA
Posts: 25,310
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One of those vacuum hoses is vacuum advance, and the other is vacuum retard. If there are two. A black and a red.
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Man of Carbon Fiber (stronger than steel) Mocha 1978 911SC. "Coco" |
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03-18-2010, 02:11 PM
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there are two i think its the advance hose i unhooked.aurel if it wasnt 4 you i would not have got to enjoy my baby today a thousand thanks. now i just have to make it right but at least i drives after 4 months.
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03-18-2010, 02:40 PM
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f---ker sometimes
