2.55" pulley installed, dyno results inside - Page 9
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Cadillac STS-V Series Forum Discussion, 2.55" pulley installed, dyno results inside in Cadillac V-Series Forums; 550 your car makes over 400hp only from 5700-6300 ish coach123 and I both make over 400hp from 2500ish out ...
  1. #121
    1madstsv's Avatar
    1madstsv is offline Cadillac Owners Connoisseur
    Automobile(s): 08 STS-V,10 escalade,80 sedan deville diesel 99 c5 frc 78 z
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    Re: 2.55" pulley installed, dyno results inside

    550 your car makes over 400hp only from 5700-6300 ish coach123 and I both make over 400hp from 2500ish out to 6000+ rpm plus well over 400tq. torque is what wins races with a 4600lbs car. My car has a dyno time set for the end of August to try all my cooling mods plus some new tricks my tuner has come up with. So we will see how that goes. As for numbers don't lie 11.97@113 what did your car run.?

  2. #122
    cmross97's Avatar
    cmross97 is offline Cadillac Owners Fanatic
    Automobile(s): 06 STS-V, 97 Camaro SS 490rwhp, 02 Jeep GC
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    Re: 2.55" pulley installed, dyno results inside

    Quote Originally Posted by TimmyC View Post
    I just paid for Vendor status so I think I can talk about this stuff now.

    The pulley setup and the heat exchanger I have are basically ZZP parts, but they are revised to fit the STS-V and they are not available through ZZP.

    There are a couple different ways to do the pulley. You guys can install it or I can.

    Getting the stock pulley off is nearly impossible with the blower installed on the car. It is pressed on and the blower shaft is about even with the core support, making it extremely difficult to get a puller in there. The same problem exists with the installer. The easiest option is to lift the blower. It doesn't have to be removed, just lifted for clearance. It is very easy to lift the blower up, 20 minutes with no special tools. At that point you could either swap pullies or unbolt the snout and send it to me for the swap.

    For people who want to do the swap themselves, you can rent the snout cutter from me for $25 ($100 deposit, $75 returned on return of tool). A power steering pump pulley puller/installer will work to install the pulley. They are $20 at Harbor freight or Autozone. I have one that I can rent out for $5 ($20 deposit, same deal as the cutter). I am not sure if the puller ZZP sells will work on the small pullies on these. I used a 3 jaw unit I own, but it damaged the pulley so I don't know if anyone wants to use that. It's probably because I used it in the 2 jaw config though. I didn't know the snout had to be machined at that time and I was doing this with the blower still bolted down. I think a three jaw puller would be ok. We'll have to come up with something there.

    Anyone that isn't comfortable with all that can unbolt the snout and send it to me. I'll remove the stock pulley, machine the snout, install the hub, and bolt the pulley on.

    Price for just the pulley and hub is $199 plus rentals if desired.

    Price for pulley with installation by me is $329, return shipping and new supercharger oil included.

    I've also gotten questions about my heat exchanger. I can do those for $329. I weld STS-V brackets on them and include fittings, hose clamps, and enough hose to connect to the factory hard lines under the radiator.


    I would like to buy a pulley. How do I contact you about this?

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