Changed Spark Plugs at shy of 40k miles..
#16
10-09-2012 | 09:54 AM
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From: RALEIGH, NC
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I noticed a difference as soon as I started the car after the install, car sounded very smooth and idle was much better. Few reving in the garage sounded really nice, especially PSE puttered really nice after let go of the gas, if that makes any sense lol.. butt test felt like it responsed better as you step on throtle. Didn't get chance to drive more than 20miles to notice any gas mileage difference but I am sure it will help.
Yves
#17
10-09-2012 | 09:57 AM
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Hi Simtiaz
how much oil does your engine use ... some have said as much as 1 qt per 1000 miles ... just curious since you have provided such good images on the plug ...
Question - is your Pcar a 997.2 ( with direct injection ) ... if so - wonder what your intake valves look like ( direct injection has some byproducts )
Greg
how much oil does your engine use ... some have said as much as 1 qt per 1000 miles ... just curious since you have provided such good images on the plug ...
Question - is your Pcar a 997.2 ( with direct injection ) ... if so - wonder what your intake valves look like ( direct injection has some byproducts )
Greg
My car is 997.1 and to be honest I never kept track of oil consumption in my car. I do have EvoM intake and not sure how much difference it contributes to spark plug being that dirty.
#18
10-09-2012 | 02:24 PM
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There is another thread about Spark Plug going on at the moment. For replacement, use the recommended Bosch spark Plugs at about $10 a piece. My independent Porsche repair shop refuses to install anything else than Bosch. Why go with something cheaper (not by much) and risk ruining a very expensive engine.
Yves
Yves
Last edited by ksdprasad; 10-09-2012 at 02:27 PM.
#19
10-09-2012 | 02:25 PM
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From: New jersey
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Here is the exact ratchet
http://www.sears.com/craftsman-3-8-i...&blockType=G17
http://www.sears.com/craftsman-3-8-i...&blockType=G17
#20
10-09-2012 | 08:51 PM
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^^ I used Bosch plugs and got them from Advanced Auto Parts for around $10ea. They had to order it which took 2days. I wanted wanted to stay with OEM and Bosch makes pretty good plugs as I've used them on my BMWs etc.
#21
10-10-2012 | 08:38 AM
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There was a recent thread ( https://www.6speedonline.com/forums/...hat-brand.html ) with similar points .... tracked down my Bosch sales rep -- and 16 e-mails and finally a phone call .... I am more confused than ever at Porsche's plug selection ???
The Yttrium is in all plugs as an extra -- so when all is said and done - these plugs are the 'old style' ... and Platinum and Iridium are the new style ( usually with much smaller centre electrodes ) and typically run well over 100,000 miles ...
Bosch is dropping the 4 electrodes ... most saw it as an aftermarket gimmick ( remember SplitFire plugs .... RIP ? ) but probably keep it on this OEM< spec'd plug ...
So - what happens if you upgrade plugs ? Even better - run the older style plugs in any new vehicle ... that comes OEM with Platinum or Iridium ? Porsche engineers .... do you read this MB ?
Greg
The Yttrium is in all plugs as an extra -- so when all is said and done - these plugs are the 'old style' ... and Platinum and Iridium are the new style ( usually with much smaller centre electrodes ) and typically run well over 100,000 miles ...
Bosch is dropping the 4 electrodes ... most saw it as an aftermarket gimmick ( remember SplitFire plugs .... RIP ? ) but probably keep it on this OEM< spec'd plug ...
So - what happens if you upgrade plugs ? Even better - run the older style plugs in any new vehicle ... that comes OEM with Platinum or Iridium ? Porsche engineers .... do you read this MB ?
Greg
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