mini cooper supercharger pulley boost

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06-08-2009, 06:09 PM

grandamvince

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Join Date: Jun 2009

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mini cooper supercharger pulley boost

has anyone put upgraded pulleys on their minis and how much boost can these motors handle??

07-01-2009, 08:19 PM

bad venge

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Join Date: Feb 2008

Posts: 2,309

The JCW uses like a 14.6% so since mini trusts that I'm running a 15% one no troubles in the 26k I've run it ... There are higher boosts as well but I'm sticking here till warranty is out

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