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Join Date: Jan 2001
Posts: 696
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Average life span for Carrera distributor cap & rotor, and plug wires
I just checked my distributor cap and found carbon on the terminals after 30,000mi. How do you know when it's time to replace? Rotor doesn't look too worn after same 30,000mi. Wires seem ok, no miss-fires, and have 127,000mi. but how do you know when they are done?
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03-14-2006, 08:43 PM
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Registered
Join Date: Oct 2001
Location: San Carlos, CA US
Posts: 5,550
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at 30Kmiles, it's time. There're cheap.
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Porsche 2005 GT3, 2006 997S with bore-scoring Exotic: Ferrari F360F1 TDF, Ferrari 328 GTS Disposable Car: BMW 530xiT, 2008 Mini Cooper S Two-wheel art: Ducati 907IE, Ducati 851 |
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03-14-2006, 09:08 PM
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Join Date: Jan 2006
Location: Sun Valley Idaho
Posts: 91
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When in any 'doubt' change 'IT' with all that time and wear. The clearence between the rotor and cap could be excessive.
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More is better and too much is JUST enough |
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03-15-2006, 08:51 AM
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Friend of Warren
Join Date: Oct 2000
Location: Lincoln, NE
Posts: 16,515
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If the wires are stock replace them. The rest of the stuff: plugs, wires, rotor, cap are relatively cheap. I replace mine every winter.
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Kurt V No more Porsches, but a revolving number of motorcycles. |
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03-15-2006, 09:13 AM
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Northern Motorhead
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Hey Brownman,
Most people on this forum ask intelligent questions ... If you don't have an intelligent answer please keep your smart ass remarks for yourself ... 16 posts ... Have a great day as well !!! Cheers ! Phil!
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Cheers Phil 89 Coupe,Black,95 3.6 engine and the list goes on ... 1983 944 SP2 race car PCA #96 |
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05-17-2010, 06:13 PM
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Location: Capistrano Beach, Ca.
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Quote:
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L.J. Recovering Porsche-holic Gave up trying to stay clean Stabilized on a Pelican I.V. drip |
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05-17-2010, 06:25 PM
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3.4 Bigger is better
Join Date: Nov 2003
Location: South Dakota
Posts: 1,497
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At 30,000 it is time. Rotor is cheap and distributor cap is not what I call cheap but is definitely time to replace. Just good maintenance to replace them. Plugs while your at it...
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Michael 88 911 Diamond Blue CE Carrera 3.4 HC3.4 member 2020 Honda Passport |
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05-17-2010, 06:53 PM
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I do my plugs, cap and rotor whenever I adjust the valves. about every 10k. wires.. i dont know... 127k sounds like alot...
Quote:
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83 SC Targa -- 3.2SS, GT2-108 Dougherty Cams, 9.5:1 JE Pistons, Supertec Studs, PMO ITB's, MS2 EFI, SSI's, Recurved Dizzy, MSD, Backdated Dansk Sport Stainless 2 in 1 out, Elephant Polybronze, Turbo Tie Rods, Bilstein HD's, Hollow 21-27 TBs, Optima Redtop 34R, Griffiths-ZIMS AC, Seine Shifter, Elephant Racing Oil Cooling. |
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05-17-2010, 06:54 PM
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Join Date: Mar 2005
Location: Northern CA
Posts: 4,703
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When I first bought my car Magnacor wires were recommended by Steve at Rennsport, I put them on and have had no issues for 50k miles. Spark plug wires are a thing I like to have the best I can make or find. I change plugs, cap and rotor when I get to the point of not remembering when I did it last. The frequency is changing over time so I can't make a good recommendation. I probably over maintain.
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05-17-2010, 07:36 PM
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I'm here to cause trouble
Join Date: Mar 2005
Location: CA
Posts: 935
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Quote:
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'86 Carrera Cabriolet '73 911T Sporto (RIP) '90 Miata LeMons Contender! '71 Datsun 510 (RIP) '67 Fiat 124 Sedan (RIP) '72 Ford Pinto (RIP) '62 Plymouth Valiant '60 Ford Galaxy 500 (RIP) |
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05-17-2010, 07:42 PM
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John W
Join Date: Mar 2009
Location: Albuquerque
Posts: 275
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I just replaced mine at 14k miles and said to myself that it looked like it'd be best to replace them at about 10k. I read in Bentley where you can measure the resistance of the rotor and it should be about 1 kohm. I measured mine and it was 1200 ohms so sure enough it was ready to be replaced.
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----------------------------------- John 89 3.2 Targa 123k miles |
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05-17-2010, 08:01 PM
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douche nozzle
Quote:
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83 SC Targa -- 3.2SS, GT2-108 Dougherty Cams, 9.5:1 JE Pistons, Supertec Studs, PMO ITB's, MS2 EFI, SSI's, Recurved Dizzy, MSD, Backdated Dansk Sport Stainless 2 in 1 out, Elephant Polybronze, Turbo Tie Rods, Bilstein HD's, Hollow 21-27 TBs, Optima Redtop 34R, Griffiths-ZIMS AC, Seine Shifter, Elephant Racing Oil Cooling. |
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05-17-2010, 08:06 PM
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Join Date: Aug 2008
Location: Atlanta
Posts: 681
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Its the wires I always wonder about, they are not cheap. Every 60k would seem reasonable?
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05-17-2010, 08:36 PM
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Join Date: Dec 1999
Location: Novato, CA
Posts: 4,740
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Quote:
Magnacor wires, on the other hand, seem to eliminate all those problems. Last edited by stlrj; 05-17-2010 at 08:45 PM.. |
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05-17-2010, 08:42 PM
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Location: Atlanta
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Quote:
Is there any way to detect bad resistors? Thanks, |
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05-17-2010, 09:02 PM
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Registered
Join Date: Dec 1999
Location: Novato, CA
Posts: 4,740
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A miss is the most common symptom and an ohm meter might be helpful in finding which one has gone bad.
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05-17-2010, 09:16 PM
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Administrator
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Quote:
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Jack Olsen 1972 911 My new video about my garage. • A video from German TV about my 911 |
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05-17-2010, 10:13 PM
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Christopher Mahalick 1984 911 Targa, 1974 Lotus Europa TCS 2001 BMW 530i(5spd!), Ducati 900 SS/SP 2006 Kawasaki Ninja 250, 2015 Yamaha R3 1965 Suzuki k15 Hillbilly, 1975 Suzuki GT750 |
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05-18-2010, 06:34 AM
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Location: Novato, CA
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Quote:
Personally, I'm all in favor of eliminating all these problems with the installation of your basic, seemingly everlasting, low maintenance, OEM proven, cost effective carbon core ignition cables.    Cheers, Joe Last edited by stlrj; 05-18-2010 at 09:31 AM.. |
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05-18-2010, 09:07 AM
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I change my distributor cap and rotor every 6K,..how's that? So what?
Doyle
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Recording Engineer, Administrator and Entrepeneur Designer of Fine Studios, Tube Amplifier Guru 1989 Porsche 911 Carrera Coupe 25th Anniversary Special Edition Middle Georgia |
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05-18-2010, 01:44 PM
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