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Author Topic: Is it possible for spark plugs to change the characteristic of the car?  (Read 801 times)

Offline Jaywoo-GTI

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Is it possible for spark plugs to change the characteristic of the car?
« on: December 13, 2011, 08:28:01 am »
I have noticed since changing my plugs from NGK PFR6Q double platinum to BKR8EIX Iridium on Saturday that the car drive so much smoother and the delivery of boost is much more controlled.
But more importantly i used to see the boost peak at about 20psi and drop off to 15, Now i have changed the plugs it peaks at 22psi and holds at 19.

Can this be possible just by changing plug? :stupid:

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Offline sub39h

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Re: Is it possible for spark plugs to change the characteristic of the car?
« Reply #1 on: December 13, 2011, 08:29:00 am »
My car is definitely smoother since fitting. Dunno abou the boost tho, I don't have a boost gauge
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Offline Jaywoo-GTI

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Re: Is it possible for spark plugs to change the characteristic of the car?
« Reply #2 on: December 13, 2011, 08:31:44 am »
My car feels transformed again, Much more eager to go, thought it was me at first but arter playing around with my Liquid all the figures seem improved. :scared:
Gotta be the best £20 i have spent on the car. :grin:
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Offline ktlstar

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Re: Is it possible for spark plugs to change the characteristic of the car?
« Reply #3 on: December 13, 2011, 08:34:47 am »
The more boost your seeing is gonna be the colder weather we are seeing.
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Offline Jaywoo-GTI

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Re: Is it possible for spark plugs to change the characteristic of the car?
« Reply #4 on: December 13, 2011, 08:41:20 am »
No it deffinatly aint that because it was actually cold here last week.
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