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Architecture & Porsche's
Join Date: Jan 2006
Location: Austin, Texas
Posts: 3,189
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in/out play on my distributor shaft?? 965
I changed out my cap/rotor tonight because they were old & I'm having ignition issues with my car.
having intermittent ignition failure that's sometimes, there, sometimes not in more than one cylinder. My cap/rotor demonstrated unusually high wear, so I changed them out. Upon pulling/pushing the rotor on, I noticed that the shaft where the rotor seats has about 3/16 to 1/4" of vertical play. Im suspecting that a bearing/bushing internally has failed to allow this not in/out play. As well, it stays either pulled out or pushed in and I don't know which way it's supposed to be, but I figure the shaft is NOT supposed to be "in" where the contact between the cap & the rotor might be extremely weak since the spring-pin in the cap only has about 3/16" of in/out play as well. Thoughts??[/I]
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Porsche Club Racing National Scrutineer '89 Andial 951 '82 928R '74 911 RSR 3.6 |
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08-17-2010, 05:13 PM
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Registered
Join Date: Aug 2007
Location: Austin
Posts: 581
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Usually the busing goes out and causes wobble affecting dwell (not an issue on 965)
I don't think the in/out is too much to worry about..I could be wrong A while back i traced down a nasty ignition issue caused by lack of ground on the aluminum plate that holds all the relays ect on the drives side of the engine bay - I added additional ground I have an extra ez69 and coil if you want to change them out to check have you checked the flywheel sensor connector ? have you ever replaced the flywheel sensor? |
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08-17-2010, 05:41 PM
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Architecture & Porsche's
Join Date: Jan 2006
Location: Austin, Texas
Posts: 3,189
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Crap, swapped on a '94 3.6t distributor: had to re-layout the wires as the distributor & cap are rotated 90 degrees from a 3.3 turbo: wtf did they do that??
Anyway, runs, but my intermittent problem exists! Ultra week/failing ignition & lots of louder (than normal popping) in the exhaust on decelleration. I'll have to check the coil, ignitors, crank trigger (oil on it???): anyone have other ideas?? when the issue presents, it's not just one cylinder: it's more like 1,2, or 3 at a time as the car barely runs, barely accelerates, stumbles, then clears right up.. does it hot, cold, idle, cruising, uphill, downhill, etc: there's no specific time it does i. 
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Porsche Club Racing National Scrutineer '89 Andial 951 '82 928R '74 911 RSR 3.6 |
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08-22-2010, 10:54 AM
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