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Thread: Cayman S Tpc turbo kit

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    Re: Cayman S Tpc turbo kit

    not quite there yet my ecu is currently over the ocean on its way to TPCicon so i am little nervous until i have it back modded from tpc in the states here at home in germany where my shiny is standing in a garage without her ecu brain


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    Re: Cayman S Tpc turbo kit

    Quote Originally Posted by alexdou111 View Post
    since I am one of those who ordered a gen 2 pdk kit - tom added the following info to this dyno:

    Attached is a snap shot of the before and after dyno on 987.2 PDK turbo dyno results. The tests were conducted on chassis dyno measuring hp and torque at the wheels. The formula to convert the numbers to compare to factory crankshaft hp and torque rating is to multiply by 1.20.

    987.2 PDK before turbo 264.49hp(cranshaft) x 1.20 = 317.39hp(wheel)
    987.2 PDK with turbo 383.10hp(crankshaft) x 1.20 = 459.72hp(wheel)
    Aren't these numbers reversed?...crank horsepower/torque should be the higher number
    JCO CST

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    Re: Cayman S Tpc turbo kit

    Yes those are reversed. Crank should be the higher number. There must have been a typo in the email that was sent to alexdou111

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    Re: Cayman S Tpc turbo kit

    so whats that supposed to mean exactly?

    the stock car according to porsche has 310 hp

    so whats this wheel, crank?

    and what would be fair to expect to have after this turbo installation

    thx for letting me know -

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    Re: Cayman S Tpc turbo kit

    Quote Originally Posted by alexdou111 View Post
    so whats that supposed to mean exactly?

    the stock car according to porsche has 310 hp

    so whats this wheel, crank?

    and what would be fair to expect to have after this turbo installation

    thx for letting me know -
    Because of power losses in the drive train, the HP & torque measured directly at the engine (crankshaft) are usually what is listed (because they're always higher), and the power & torque at the wheels, which is what is really usable for the driver, are typically less. There are different opinions, but the percentage loss is typically 12-18%, based on what I've seen and read. As always, YMMV.

    John

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    Re: Cayman S Tpc turbo kit

    987.2 PDK before turbo 264.49hp(cranshaft) x 1.20 = 317.39hp(wheel)
    987.2 PDK with turbo 383.10hp(crankshaft) x 1.20 = 459.72hp(wheel)

    so thi sis what TPCicon mailed me


    i may be a little confused now

    so i guess it means about 380 hp at the wheels

    and a porsche dealer would show 459hp (like he does 310hp with the stock car)

    is this about rightly understood?

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    Re: Cayman S Tpc turbo kit

    When Tom emailed that to you there was a typo. I apologize for that. This does mean that it is 264 at the wheel stock and 383hp at the wheel with the turbo . That is still impressive for this car and still a 120hp increase.

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    Re: Cayman S Tpc turbo kit

    Thanks to all for the clarification. This still suggest that what the dealer shows as 320hp becomes almost 460hp, and 460hp can be used to compare to the rest of the cars in the Porsche line up.
    This is VERY cool.
    I look forward to hearing the driving impressions.

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    Re: Cayman S Tpc turbo kit

    The driveability of the car is fantastic! The car drives and idles like any normal car but once you put you apply some power, you are thrown back into the seat and a new world opens up!

    Here is a test drive video we did in a PDK Boxster Spyder with our turbo kit. Also in this video a lot of the engineering behind the kit is explained.

    TPC Racing 987.2 Spyder PDK Turbo Ride Along and Explanation - YouTube

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    Re: Cayman S Tpc turbo kit

    Quote Originally Posted by alexdou111 View Post
    i may be a little confused now

    so i guess it means about 380 hp at the wheels

    and a porsche dealer would show 459hp (like he does 310hp with the stock car)

    is this about rightly understood?
    Correct.

    The bigger figure (crankshaft) sounds better in the pub, but the wheel hp figure is what really matters
    Last edited by Dunebasher; 12-30-2011 at 04:22 AM. Reason: spelling
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    Re: Cayman S Tpc turbo kit

    Have the Stage 1/intercooled system for a year now. Dynoed at 411 at the wheels which is 493.2 at the crank (using 1.2 to account for gear box, differential etc. Losses). Very close to advertised 485 hp.

    Result? 140+ at VIR. Passed GT3's. Passed a Ferrari F430. No problems so far.

    One downside ... local police force not impressed!

    Conclusion? You won't regret it for a moment. One of my better decisions.

    No drivability issues. No turbo lag (I have a Saab 9-3 you have to hit the gas 1 second before you need the power), no sudden surge, no wheel spin unless you want it, nice and quiet until you get into it. A little drone (truth be told) below 3,000 so you have to cruise in the upper 70's.

    And I don't baby it. Aggressive street driving and 10-15 track days per year. So far so good.
    Last edited by iceben; 01-20-2012 at 10:00 PM.
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    Re: Cayman S Tpc turbo kit

    Quote Originally Posted by iceben View Post
    Have the Stage 1/intercooled system for a year now. Dynoed at 411 at the wheels which is 493.2 at the crank (using 1.2 to account for gear box, differential etc. Losses). Very close to advertised 485 hp.

    Result? 140+ at VIR. Passed GT3's. Passed a Ferrari F430. No problems so far.

    One downside ... local police force not impressed!

    Conclusion? You won't regret it for a moment. One of my better decisions.

    No drivability issues. No turbo lag (I have a Saab 9-3 you have to hit the gas 1 second before you need the power), no sudden surge, no wheel spin unless you want it, nice and quiet until you get into it. A little drone (truth be told) below 3,000 so you have to cruise in the upper 70's.

    And I don't baby it. Aggressive street driving and 10-15 track days per year. So far so good.

    Do you mind me asking how much was the TPCicon stage 1 kit and install? Pm me if ya need to. I'm looking at around 10 to 12k once its all said and done. Just curious if Im close.
    2007 997 Turbo
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    Quote Originally Posted by iceben View Post
    Have the Stage 1/intercooled system for a year now. Dynoed at 411 at the wheels which is 493.2 at the crank (using 1.2 to account for gear box, differential etc. Losses). Very close to advertised 485 hp.

    Result? 140+ at VIR. Passed GT3's. Passed a Ferrari F430. No problems so far.

    One downside ... local police force not impressed!

    Conclusion? You won't regret it for a moment. One of my better decisions.

    No drivability issues. No turbo lag (I have a Saab 9-3 you have to hit the gas 1 second before you need the power), no sudden surge, no wheel spin unless you want it, nice and quiet until you get into it. A little drone (truth be told) below 3,000 so you have to cruise in the upper 70's.

    And I don't baby it. Aggressive street driving and 10-15 track days per year. So far so good.
    You passed F430! How? 0-60? 1 mile?

    Please share your story... I'm curious


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  14. #34
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    Re: Cayman S Tpc turbo kit

    Quote Originally Posted by iceben View Post

    Result? 140+ at VIR. Passed GT3's. Passed a Ferrari F430. No problems so far.
    140 out of the oak tree or down the front str8?
    Thanks for chiming in with your critique.

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    Re: Cayman S Tpc turbo kit

    So yesterday I ordered my TPCicon turbo kit. I went for the HP one as after talking the wife into it I thought if I go for LP one there would have to be another discussion further down the road for me to add intercooler! Lol. Anyway tpc have said 2 to 3 weeks for it to be delivered. I'm having it installed here in Houston at a garage called Eurocar-werks! Eric the owner has installed the LP one on 2 different cars lately, Cayman R and boxster spyder and he said it is fantastic what these kits do! He is super excited as this will be his first HP one to install. He will be working closely with Tom from tpc to get everything just right! I don't know who's more excited about it all me or Eric! Can't wait to get it back and see the results!! After reading on here and watching you tube videos of it all I've said to myself be prepared to change ur underwear more than once a day till I get used to it! I absolutely love the sound so can't wait to hear it in person! Happy turbo-ing!!!


    Also I have a set of original 18" cayman s wheels for sale! I put 19" victor equipment zehn wheels on mine a month or so ago and am wondering if anyone on here would like to buy them! There is about 80% tread life at worst left on the tires! I'm not even sure how much they can go for??? Any help appreciated. 3 wheels are in perfect condition and the front right has minor scuffs on it!


    Thanks in advance guys!! ))

    Blair!!

  16. #36
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    Re: Cayman S Tpc turbo kit

    Congratulations Blair, you'll love it!!!!

    PT

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    Re: Cayman S Tpc turbo kit

    Quote Originally Posted by PushingTin View Post
    Congratulations Blair, you'll love it!!!!

    PT
    Cheers Tim!! Have u got a turbo in yours? Any idea how much I can flog the old wheels for??

    Thanks mate.

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    Re: Cayman S Tpc turbo kit

    Congratulations, Blair. You're going to love the kit.

    There are actually at least 5 cars TPCicon turbo 986/987s in Houston. I've had mine for a little over a year. It was installed by Akram over at Motorwerks on 59 and Chimney Rock. I've got nothing but good things to say about him. Funny you should mention the black spyder. I was going to dinner with my wife on Sunday and noticed the car, and it looked mean.

    I've got the HP TPC kit. I know the weather has been crappy, but if you ever want a spin in it until yours is ready to go, just gimme a holler. I'm always down for meeting other enthusiasts.

    The only problem now is waiting for the kit/install/test and tune. I'd really like to hear your feedback about Eurocarwerks, too.

    Thanks,
    Jon
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    Re: Cayman S Tpc turbo kit

    Quote Originally Posted by Blair29 View Post
    Cheers Tim!! Have u got a turbo in yours? Any idea how much I can flog the old wheels for??

    Thanks mate.

    Had my turbo for 2 years now, love it!!!
    Are the wheels 9" in the rear or 10?

    PT

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    Re: Cayman S Tpc turbo kit

    Quote Originally Posted by jon91581 View Post
    Congratulations, Blair. You're going to love the kit.

    There are actually at least 5 cars TPCicon turbo 986/987s in Houston. I've had mine for a little over a year. It was installed by Akram over at Motorwerks on 59 and Chimney Rock. I've got nothing but good things to say about him. Funny you should mention the black spyder. I was going to dinner with my wife on Sunday and noticed the car, and it looked mean.

    I've got the HP TPC kit. I know the weather has been crappy, but if you ever want a spin in it until yours is ready to go, just gimme a holler. I'm always down for meeting other enthusiasts.

    The only problem now is waiting for the kit/install/test and tune. I'd really like to hear your feedback about Eurocarwerks, too.

    Thanks,
    Jon


    Hey John, yea I spoke to Akram about doing it last week but I've always went to Eurocar for my services and after speaking to Tom he also recommended Eurocar. And yes yes yes I'd love to meet up so I can see yours and feel what its going to be like. Pm me ur number mate and I'll give u a call.

    Thanak

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