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8 rib crank pulley guys: Where are the 2 extra ribs?

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Old 04-24-2008 | 09:42 PM
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Originally Posted by Y2KLimited
the vehicle I had experience with was an 03 avalanche with stock accessories with a LS2 based 402...but everything was forward, no shimming of the tensioner.
I was just pointing out that, based on that photo, it appears that the new style Maggie tensioner won't line up with an 8 rib pulley setup. Otherwise the belt would have been against the back rim of the pulley and the 2 unused ribs would be at the front.

Old 04-24-2008 | 10:09 PM
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hmm, that is strange huh? well wtf chuck, lol.
Old 04-24-2008 | 10:42 PM
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The extra grooves are always toward the radiator due to brackets.
Old 04-24-2008 | 10:43 PM
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Originally Posted by DrX
I was just pointing out that, based on that photo, it appears that the new style Maggie tensioner won't line up with an 8 rib pulley setup. Otherwise the belt would have been against the back rim of the pulley and the 2 unused ribs would be at the front.

The belt will actually line up with the inner 6 grooves the picture was just taken with the belt on the pulley like that on accident.
Old 04-24-2008 | 10:59 PM
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Originally Posted by 2005SSR6Speed
The belt will actually line up with the inner 6 grooves the picture was just taken with the belt on the pulley like that on accident.
I was hoping that was the case.

That pic just popped up in my head when this discussion started. Never even thought about the belt alignment when I first saw it.
Old 04-27-2008 | 12:21 AM
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Glad I came across this...just picked mine up from a M112->122HH upgrade--also bought the new tensioner--and the belt is currently centered in the tensioner ribs. I'll realign that tomorrow...
Old 04-27-2008 | 10:25 AM
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is that tensioner a factory replacement or is it ONLY for the radix?
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