Alta reduced supercharger pulley version - MINI Cooper Forum

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post #1 of 5 (permalink) Old Jun 8th, 2018, 04:48 PM Thread Starter
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Alta reduced supercharger pulley version

i have a r53 any one fitted ALTA REDUCED SUPERCHARGER PULLEY VERSION anything i need to know eg changing spark plugs etc

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post #2 of 5 (permalink) Old Jun 9th, 2018, 12:43 PM
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Not Alta but GTT, 17% which I'm using one step colder with, NGK BKR7EIX for example. Many people say not to bother getting the car remapped but I would say it's a good idea. Up to you of course.

No matter what others say, but perhaps consider the JCW models use different maps, and those of us fitting pulleys are generally putting even smaller ones on, and may be intending to drive the cars harder, so a good idea in my opinion although more money. Better to spend it now than on damage to the engine later perhaps?

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post #3 of 5 (permalink) Old Jun 9th, 2018, 03:04 PM
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What reduction is it? Whoever fitted it should have put in colder plugs. For example NGK BKR7IEX. The number in bold is the significant part of the spec.
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post #4 of 5 (permalink) Old Jun 9th, 2018, 04:12 PM
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NGK BKR7EQUP are the plugs used in the R53 JCW Tuning Kit.
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post #5 of 5 (permalink) Old Jun 9th, 2018, 04:20 PM
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Quote:
Originally Posted by Caveman View Post
NGK BKR7EQUP are the plugs used in the R53 JCW Tuning Kit.
Whatever you want
Whatever you like
Whatever you say
You pay your money
You take your choice
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