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Pulley slippage

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Old 04-21-2007   #1 (permalink)
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Default Pulley slippage
Those of you that have the 2.81 blower pulley on your 03-04 Cobra..... I've noticed no matter how tight you get the belt, at 5500 rpm and up it drops almost 2 psi. I was watching the boost gauge and then comparing it to the dyno sheet. Pulls hard, then levels out. I have the Steeda tensioner kit, but maybe a wrap set up will help. Any input is apprecited.
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Old 04-22-2007   #2 (permalink)
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the guy i take my car to likes to do the lower pulley and it eliminates any belt slippage...so i guess thats what i would recommend.
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2004 SVT Cobra Torch Red SLP Loudmouth catback, SLP catted X, hurst short throw, steggy stage 4 port, granatelli MAF (getting rid of). New CAI, 2.8 upper and 4lb lower pulley, and tune in progress....

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