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Join Date: May 2005
Posts: 3
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911s ignition problem 2.7L
I am new to this board. had a quick question. i have a 76 911s and i was changing the coil on it with one from msd. after i replaced it i saw arching from near the + and _ terminals of the coil, then nothing. i have no power to the + terminal. all fuses are good. power going to the ignition box from the distributer seems fine but nothing coming out to the + terminal. did i fry the ignition box or cd box. and if so, by installing msd ignition system will it bypass the cd box.
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05-07-2005, 06:57 PM
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Do a search on cdi ignition before you go any further . And by all means DO NOT put 12 volts to your coil . The cdi system is very different so forget all that you know about point triggered ignition . It wont help you . And to answer one question . You will not have 12 volts at the coil . Actually its not even a coil (by standard terms). This board has all the answers you will need by using the search option (upper top right on this page) . Welcome to the board
Kurt Williams
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Never drive faster than your gaurdian angel can fly. 82 SC w/965S eng and G50 6:1 hp/w ratio 72 911t 2.6 twin plug and 72' 911t 57k orig 1 own miles 65/66 912 1 owner 76k orig 01' Aston Martin DB7 V12 Vantage Coupe 6spd |
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05-07-2005, 07:02 PM
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The MSD system will not use the old cd, it will replace it entirely. I went MSD and will not go back to a CD system
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2005 911 carrera 57 BMW r50, 2007 Ducati s2r 1000 2007 Boxster (sold) 77 2.7 911s chocolate w/ducktail (Mr Hankey) (sold) 77 930 black (sold) |
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05-07-2005, 08:09 PM
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Join Date: Dec 1999
Location: TX USA
Posts: 9,804
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So, why were you changing the coil???
Since you don't understand how the CDI system works ... I suggest you read the Bosch CDI Testing document in the following thread: Perma-tune CD or Bosch CD? Good luck!
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Warren Hall, Jr. 1973 911S Targa ... 'Annie' 1968 340S Barracuda ... 'Rolling Thunder' |
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05-08-2005, 06:23 PM
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Registered
Join Date: May 2005
Posts: 3
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ignition problem
i was replacing the ignition wires and saw the the coil was corroded badly, where the coil wire plugs in and the a and b terminals were rusted bad. car started staling and i had a feeling it was a weak spark.
now if i replace the cd unit with msd. do i have to use 6a, 6alor any msd?and do i have to replace the points on the distributer with a electronic unit? thanks alot for the help guys. i am learning alot here. |
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05-08-2005, 09:24 PM
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1969 Porsche 911 2.7 
