spark plug gap???
17 April 2005, 08:45 PM
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spark plug gap???
Hi, I am replacing the coil packs and spark plugs on my 95 sti-ra and am fitting some NGK platinum plugs and have gone up a grade from a 6 to a 7. what is the recommended gap so i can check em before i fit em??
cheers mark
cheers mark
19 April 2005, 05:43 PM
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Hi, thanks for that, but i have just purchased a genuine subaru worshop manual on cd today and this states that they should be 0.95-1.0mm??????? so that is what i set them too earlier and have just finished putting everything back together and shut the bonnet.
typical....................
typical....................
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19 April 2005, 09:51 PM
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another spark plug removal session............
oh well, I will just have to do the job again tomorrow, 
at least i wont have to replace the coil packs aswell..............
Thanks again, better to find out now.
Mark
at least i wont have to replace the coil packs aswell..............Thanks again, better to find out now.
Mark
29 April 2005, 07:26 AM
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How did you get on? I just changed my plugs on my sti4. The plugs which I removed were PFR6B's, and had plug gaps ranging from 1.00mm - 1.4 mm! 
Can't believe the engine actually fired! 
Got PFR7B's set at 0.7mm in there now and boy, what a difference. Fires up more readily than before and, I don't know if i'm imagining it but seems to pull better aswell, as if i've gained some torque!
Oh, and the old knock link is quieter aswell.
Goes to show what a difference a set of descent plugs that are set right, can make.
Can't believe the engine actually fired! Got PFR7B's set at 0.7mm in there now and boy, what a difference. Fires up more readily than before and, I don't know if i'm imagining it but seems to pull better aswell, as if i've gained some torque!
Oh, and the old knock link is quieter aswell.
Goes to show what a difference a set of descent plugs that are set right, can make.
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