free spin on supercharger pulley

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06-20-2014, 02:46 PM

chamwow69

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free spin on supercharger pulley

I was told by ZZP if I remove my belt and spin the SC pulley it should free spin for about 2 seconds. Mine goes about a half turn. SC is still on the car. I've been working with ZZP to diagnose high iat2 temps. What kinda free spin should I be getting? What could be bad?

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06-20-2014, 02:50 PM

Staged07SS

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It should spin "freely" yes, w/o binding, but it should be tight with no shaft play <- (that sounds bad I know, lol)

I dont think it will "free spin" on its own. Never tried that.

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06-20-2014, 03:13 PM

JapEatr

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it will not sit there an spin for multiple revolutions

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06-20-2014, 03:21 PM

yellowsupercharged06

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maybe if the hulk spun it he may get 2 full revolutions but you and me ... nope.

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06-20-2014, 07:44 PM

chamwow69

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Thanks guys! Makes me feel better. It spins smoothly and there's no play in it it just doesn't "free" spin like he says it should. Maybe he's having an off day... Lol I think the high iat2 was because I found out I had some air in the system so I'll log another run and it should be better.
Thanks again.

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