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    • Here is what goes into a 1250+ whp Porsche 997.1 Turbo build

      When it comes to peak output the Porsche 997.1 and 996 Turbo models still rule the day. Why? The Mezger block and lack of direct injection. There are many examples over 1000 whp+ and if you are primarily interested in power, they are proven and the champs in that respect.


      What they do not have is a PDK transmission available so the newer cars are much more efficient but come with their own tuning difficulties at higher horsepower levels.

      If you want to row your own gears and don't care about a tenth here or there in shift speed, hard to argue against a 997.1 Turbo.

      What is the recipe for this particular 997.1 and its 1250 to the tires?


      Built 3.8L Engine
      12mm Head Studs
      CP Pistons 2000hp Forging
      CP Rods 260 wall wrist pins
      Carr Bolts
      LA Sleeves
      Schrick Stage 2 Billet CAMS
      Built Head by Todd McKenzie, Full Port, Inconel Valves, Titanium Springs/Retainers

      Bill Rader Transmission
      GT2RS Main Shaft
      GT2RS 1st & 2nd Gear
      Guards 3rd, 4th, 5th gear set
      Guards GT Pro LSD
      Billet 1st & 2nd Shift Fork
      Porsche Racing Steel Shift Fork 3rd & 4th
      Porsche Racing Brass Shift Fork 5th & 6th
      Steel Cage under gearbearings 2nd through 6th
      CMS Billet Side Cover

      SRM Intake Plenum
      GT3 Throttle Body
      IPD Y-Pipe
      SRM Aerospace Intercoolers
      SRM BoostHoses

      Precision 6466 Gen 2 Turbos
      Dual 38mm Wastegates
      Custom V-Band Manifolds
      2000cc Injectors
      SRM Stage 3 Brushless Fuel Kit
      SRM Drop-in Billet Fuel Basket
      -8AN Line

      Bilstein PSS10 Damptronic Suspension
      Numeric Racing SSK
      OZ Superleggera 19 Wheels
      Stud Conversion Kit with Spacers - 8mm Front / 15mm Rear
      Tarett Front Drop Links
      OEM GT2 Front Bumper
      Vorsteiner VR-T Rear Wing
      Custom Valve-Cutout exhaust (work of art)
      RSS 928 Roll Bar

      Pioneer 4200NEX w/Carplay
      Alpine PDX-v9 Amplifier
      Focal PS 165F3
      2 x 10" JL TW3 with custom boxes

      ProEFI 112 Kit
      Flex Fuel Sensor
      CANBUS Display custom mounted in glove Compartment
      Individual EGT Sensors per exhaust runner
      Backpressure Sensors in each turbo hotside

      Stout to say the least:








      This article was originally published in forum thread: Here is what goes into a 1250+ whp Porsche 997.1 Turbo build started by Sticky View original post
      Comments 11 Comments
      1. Stevenh's Avatar
        Stevenh -
        Hasn't this car been for sale for some time? Looks familiar.

        I'm curious why they went overboard with the head and valvetrain and then don't even rev it to 7,500. Seems like they could really broaden up the power and.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by Stevenh Click here to enlarge
        Hasn't this car been for sale for some time? Looks familiar.
        Yep, he wants around $100k.
      1. subaru335i's Avatar
        subaru335i -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        Yep, he wants around $100k.
        $100k is probably a pretty huge loss for the owner. Looks like no expense was spared.
        If I built this thing I would keep it forever but dude probably isn't hurting for money and wants to go TT Huracan lol.
      1. Blown6's Avatar
        Blown6 -
        Impressive , I guess they gave it more displacement to spool up those big turbos although it’s still pretty laggy....
      1. ttuner's Avatar
        ttuner -
        I know the owner. Lives here in AZ. Amazing car.
      1. BlackJetE90OC's Avatar
        BlackJetE90OC -
        $100k seems light for such a build.
      1. Dhahlen's Avatar
        Dhahlen -
        Click here to enlarge Originally Posted by Stevenh Click here to enlarge
        Hasn't this car been for sale for some time? Looks familiar.

        I'm curious why they went overboard with the head and valvetrain and then don't even rev it to 7,500. Seems like they could really broaden up the power and.
        Factory lifters are hydraulic. Safe at 7400. Borrowed time at 8k, theyll break eventually. Last forever at 7400 and under though. People go mechanical to get to 8K+ or do some frankenbuild gt3 Head conversion on a turbo. Im the seller BTW.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by Dhahlen Click here to enlarge
        Factory lifters are hydraulic. Safe at 7400. Borrowed time at 8k, they’ll break eventually. Last forever at 7400 and under though. People go mechanical to get to 8K+ or do some frankenbuild gt3 Head conversion on a turbo. I’m the seller BTW.
        Nice ride.
      1. Dhahlen's Avatar
        Dhahlen -
        Click here to enlarge Originally Posted by Blown6 Click here to enlarge
        Impressive , I guess they gave it more displacement to spool up those big turbos although its still pretty laggy....
        Turbos will make way more power than fuel system can handle. Needs another 6 injectors to push to 1500-1600hp. I thought it would be super laggy, too, but rarely is anyone doing a pull from 3000 RPM in 4th or 5th gear. The transmission is geared properly so if you give it the beans in any gear and shift, it'll be right in the sweet spot. Has no-lift-shift capability, so not much boost drop between shifts.
      1. Dhahlen's Avatar
        Dhahlen -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        Nice ride.
        Thanks!
      1. Dhahlen's Avatar
        Dhahlen -
        Click here to enlarge Originally Posted by subaru335i Click here to enlarge
        $100k is probably a pretty huge loss for the owner. Looks like no expense was spared.
        If I built this thing I would keep it forever but dude probably isn't hurting for money and wants to go TT Huracan lol.
        No Huracan for me, lol. I wish I had more garage space Click here to enlarge