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Spark plugs for FI 3.6L engines

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Old Mar 29, 2010 | 04:45 PM
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Spark plugs for FI 3.6L engines

Hi,

My car is 3.6L '06 997 but I assume representation of FI inclined folks with 3.6L engines here is higher than on 997 forum so I decided to ask it here - what spark plugs do you run on your SC/turboed car?

I was told I need colder than stock plugs like FR5DTC but brief search in the web does not help me to understand if they do exist in different form factors for 993 and older engines and for M96/M97 so to cut it short - where can I buy them and what specific brand of FR5DTC type plugs is the best?
 
Old Apr 3, 2010 | 07:35 PM
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Originally Posted by utkinpol
Hi,

My car is 3.6L '06 997 but I assume representation of FI inclined folks with 3.6L engines here is higher than on 997 forum so I decided to ask it here - what spark plugs do you run on your SC/turboed car?

I was told I need colder than stock plugs like FR5DTC but brief search in the web does not help me to understand if they do exist in different form factors for 993 and older engines and for M96/M97 so to cut it short - where can I buy them and what specific brand of FR5DTC type plugs is the best?
I have a supercharged 99, headers high flow cats, & pse hack (not for sound for flow)
That being said I use Bosch fr6ldc. Think they were stock for 993 turbos but don't quote
me on that. Nevertheless no problems with the fr6ldc's for me. Oh they referred to me by one of the high horsepower guys on 6speed, and they work for me!
 
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