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Old Apr 24, 2002 | 07:33 PM
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From: port jefferson station ny
Default c-5 plugs

just changed my first set of plugs on a c-5. car only has 17,500 miles on it and I noticed that the threads already felt like they were starting to gaul on the way out. I also noticed that the ground electrode on the ac plugs seemed to be slightly off centered from the center electrode. why would anyone wait more than 20-25 thousand miles to change $30 worth of spark plugs? all the wires came off relatively easy except that I forgot what it was like being double jointed and upside down to service a car since I sold my last shop about 13 years ago. I installed bosh platunum 2 plugs and they see fine. Also what ever happened to the good old center electrode?? why did they seem to do away with the extension?? Heat??? wcj jeff :crazy:
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Old Apr 25, 2002 | 03:13 PM
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From: sebring florida
Default Re: c-5 plugs (wcj)

that's one thing I haven't done yet--how often is it necessary? I've got 82k on my 97 (got her with 68k last august). am I due to change them out? if yes, what do I need to buy and is it easy to do?
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Old Apr 25, 2002 | 03:21 PM
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From: Fort Worth Texas
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Default Re: c-5 plugs (wcj)

yes the factory plugs are junk.

Especially when the platinum puck falls off the outter electrode and screws up your gap.

for more info on spark plug intstallation on the C5, i have a how to on my site.
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