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    #16
    Originally posted by rThor432 View Post
    A friend of mine has a 283whp US S50. He's on the forums, maybe he'll chime in. He's damn proud of it. (I dont blame him)
    :crazy::crazy::crazy:

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      #17
      Originally posted by dpgrand View Post
      :crazy::crazy::crazy:
      There are a lot of people with 275-300whp s50's. There's one in an e30 M3 for sale in this forum.
      85 325e m60b44 6 speed / 89 535i
      e30 restoration and V8 swap
      24 Hours of Lemons e30 build

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        #18
        holdon - are they NA? I just assumed it was NA, if it's not NA, then it isn't that impressive.

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          #19
          Yes, N/A. Sunbelts, worked head, and if you want reliability build the bottom end. All the front running IP cars are up in that power range.
          85 325e m60b44 6 speed / 89 535i
          e30 restoration and V8 swap
          24 Hours of Lemons e30 build

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            #20
            Originally posted by JGood View Post
            There are a lot of people with 275-300whp s50's with no usable power-band under 4 grand. There's one in an e30 M3 for sale in this forum.
            Fixed.

            I know you knew this already JGood, just further clarifying the numbers. For the OP though, to make that much NA power in any of the m/s 50/2 engines, there will be a sacrifice in a lower part of the power-band. :(

            Evosport has fully built u.s s52 IP race engines making over 300whp with their crazy 290/290 cams. However, if you look at the dyno graph, there is a huge drop in torque below 4,500, then it explodes like you are hitting crazy boost! :shock:
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              #21
              To run the 290/290 cams you also need their special pistons with MASSIVE valve reliefs.
              My 2.9L Build!

              Originally posted by Ernest Hemingway
              There are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games.

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                #22
                Originally posted by PiercedE30 View Post
                To run the 290/290 cams you also need their special pistons with MASSIVE valve reliefs.
                That's a negative. These cams are IP legal. The lift on these isnt that much more than the sunbelts just longer duration.

                From rulebook.
                "All pistons must be factory replacement equivalent and match factory dome, dish, valve relief depth, ring grove placement, weight and wrist pin height, etc.; compression must meet factory specifications."

                I may be going out on a limb here but I dont think Evosport wouldve labeled these cams as 'Prepared Legal' if they were blatantly illegal.
                Last edited by madjurgen; 11-19-2008, 06:24 PM.

                As time went on, the factory developed the car each year, making it faster, more comfortable, and capable of handling at higher speeds.
                You don’t want this. You want the trickiest, most dangerous, oldest model you can find. Only then can you prove to the world that you’re a man.

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