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Any one have combine them?
cause aem only have power steering and alternator ..
and is it possible to use the unorthodox for the crank.?
cause i have aem kit..but now i just need the crank?
any opinion ? thanks.

 
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Did you feel a difference when you installed them?

 
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I have the Ultra SS set w/ crank and Unorthodox said i could not use the AEM pulleys with their crank for some reason??

 
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This was just talked about last week. Anyways you can't combine them. I think with the UR pulleys the crank pulley underdrives the accessory pullies, where with the AEM pullies, the accessory pullies do the under driving. Also I've heard its not good to change the crank pulley for a daily driver car. I have the AEM pullies and I noticed a little difference. Besides the crank pulley would be a pain to change! I don't think it would be worth it for minimal HP gain....

 
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The crank is where you get the most power from your pulley's. . . that's really the only one worth changing IMO.

 
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absolutely can not combine aem with ur. You will screw up your timing.. among other things. also, you won't have a problem with a crank pulley on a daily driver. your motor is naturally balanced by itself..

 
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if you change your crank pully i would look into getting a cam gear also. but if you want to combine your pullys which i wouldnt do go luck tying to find a belt that will fit.

 
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I'm sure this was covered some time ago.

 
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I will be putting on the Ultra SS kit when it comes. The crank isn't available
in Canada yet so the guy at my shop called UR and they are custom making
me a crank. I have AEM cold air so when I get it on I'll let you know.

 
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you can't cause AEM change the use of accesories by being smaller in size than stock, and Unorthodox are stock size but light weight.......

 
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Uh, d00d?

AEM's are actually BIGGER than stock. They are also made out of billeted aluminum. The only reason why the UR pulleys are lighter, is because they drill holes in them, so that it gives them a spoke-like look (reducing the weight).

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Don't mix the two of them together, though. Stick with one brand.

I'm sure if you bought the UR pulleys and threw them on, you could sell the AEM ones to somebody.

 
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i guess dat's what i can do...but i was wondering if who did it..
and anything happen..cause i was thinking abou to do that..
but now i guess..i'll just sell them..and get new one's.