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AEM tru-power pulleys

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    #1

    AEM tru-power pulleys

    first things first, i will not be installing the larger alternator pulley simply because i've read a decent amount of reasons as to why you shouldn't starve your engine of that extra electrical current (especially on a 20 year old engine)

    now my question, is there any possible harm in installing the power steering pulley? i wouldn't imagine so but figured i would ask before jumping the gun and throwing it on
    90 ACCORD EX..<-- MR thread
    Tags: None
    #2
    Neither will really do any harm. The power gain isn't significant, though. The pulley that gives real power is the crank pulley, and AEM doesn't make that one. Unorthodox Racing does, though. That one is also the biggest risk. I've had one for over 5 years with no problem, but there have been reports of oil pump failure due to it.

    But no. Power steering pulley is harmless. You might have a slightly harder time turning, but nothing significant. The alternator pulley should be fine as well as long as you don't have heavy electronics in your car.






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      #3
      Ah is the UR pulley un balanced?
      Your man for wiring solutions!
      CB7Man's Coupe H22 Swap
      CB7Man's Sedan Resurrected From The Dead

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        #4
        how would a larger pully be better. smaller the circle, the faster it would spin. so therefore a super small pully would rotate the brushes/alternator faster producing more energy.
        frostwhite225@gmail.com =VENMO


        http://www.youtube.com/watch?v=NOB38zJu66o

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          #5
          No, in fact, the UR pulley is the ONLY crank pulley I would trust to be properly balanced. You can get cheaper crank pulleys from no name brands on ebay, but those are death for sure.

          The UR pulley is an underdrive pulley, though, and it eliminates the harmonic balancer. That's what supposedly causes the problems. They have a stock size one now as well, I think. The other option is Fluidampr, whihc is supposedly safer, but pretty expensive last I checked.






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            #6
            Originally posted by xkjnboix View Post
            how would a larger pully be better. smaller the circle, the faster it would spin. so therefore a super small pully would rotate the brushes/alternator faster producing more energy.
            Yes, these pulleys are smaller. Less resistance, and the lack of alternator charging comes from the car's idle... and the fact that it's spinning slower than usual at idle.






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              #7
              unorthodox actually doesn't make any for the f22 anymore. i contacted them about this and they said any pulleys made would be a one-off and would start at $500 and go down from there depending on how many want one. here's the email i got

              Demand dried up unfortunately.



              By hopefully late this year we will be putting together a program for people to be able to buy discontinued parts. First option will be as a one off which will start at roughly $500.00 per pulley. Second is a group by for 30 pieces, pricing will be similar to prices for existing stock. Each person has to put a small non-refundable deposit, the system will notify each person who signed up when a new buyer jumps on the list. So stay tuned J



              Shawn

              631.586.9525 x.16

              unorthodoxracing.com
              and i've found only 2 sites that have their alternator pulley listed. but that could just be them being too lazy to update unless those 2 places still have a few in stock.
              90 ACCORD EX..<-- MR thread

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                #8
                Geez. You could probably find a UR pulley on ebay... that, or use an H22 one.






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