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  1. Engine & Drivetrain
    SOLD! Thank you.
  2. Engine & Transmission
    For sale Ecutek cable, Bluetooth, and USB key in excellent condition SOLD Buyer pays PayPal fees and shipping cost
  3. Engine & Transmission
    Syvecs S8 unit for sale, comes with everything needed to go full standalone on your GTR Asking: 3800 + SH obo Don't miss out on this, they rarely come up for sale, if you are considering big power this is the right ECU to go with.
  4. Engine
    Hi all Which of the US tuners are familiar with Syvecs ? Exploring the idea of a remote tune for a built 1000+whp car (outside of US of course), but not sure who might offer this service on Syvecs specifically.
  5. Engine
    Hi all Can someone help me with checking the syvecs data logs am having a fuel pressure drop at boost changed the fuel pumps put still same issue car goes to same mode and it's not running good at idle, it have the AMS 044 fuel pump system thanks
  6. GT-R Media
    Yesterday one of our clients took his newly built Ultimate Street Edition Pro to the track to see how it would perform. On his first pass on the mid-power setting it clicked off a 9.0 at over 155mph. A few moments later he was back to the tree, Syvecs set to full power: This is a new...
  7. Other Vehicles
    -delete-
  8. R35 GT-R
    It is indeed that time of year again, we are less than three weeks away from what's been called the Super Bowl of street car racing - TX2K14. For us, we find no better time to meet and greet with our friends, fans, clients, and potential clients from all over the world who come to watch (and...
  9. GT-R Media
    We had a chance a week ago to do some testing with StealthJ's flex-fuel Goliath GTR up at Milan Dragway. Here's a quick video we threw together of the 8.4 @ 180MPH run. Enjoy! Here's the slip:
  10. Drag
    Here's a short video we put together of the flex-fuel Ultimate Street Edition GTR that ran earlier this week in testing at Milan Dragway. Full street trim with 18" DR's thrown on the back, this car was *driven* to Milan, cracked off a handful of passes in the low 9's with one just a sneeze away...
  11. R35 GT-R
    Full weight, full exhaust, stock interior, stock floor mats, stock door handles, with drag radials, our Flex-Fuel Ultimate Street Edition GTR is literally knocking on the door of an 8s pass! I'm waiting on them to get back, get the pictures, videos, and vbox data compiled from their testing this...
  12. GT-R Media
    The 8.64 pass makes this the 3rd fastest GTR in the world and fastest tuning with Cobb Accessport. Was fun watching it do burnouts all weekend! Enjoy the video and check back for more, i have front row seat videos of AMS Alpha Omega and already posted passes of ShepTrans 8.2 pass!
  13. R35 GT-R
    Hello everyone, A good friend and client of ours, StealthJ as he's known on here, came to us looking to build upon his P800 GTR. He wanted something much faster, to go out and embarrass some of his friends, to drag race, do roll race events, take the wife to dinner, and more! Most importantly -...
  14. R35 GT-R
    Hello Everyone, Currently being tested here at Switzer Performance for Syvecs North America - the latest prototype of their PnP AutoShift Module for the GTR. Many have felt the frustration of not timing the shift properly in high-powered GTR's to hit your increased RPM limit where the...
  15. R35 GT-R
    Wanted to share this before the weekend for everyone on here. Customer build during initial tuning. On its maiden pull, it made ~1200whp on the wastegates. Running E85 and our standard Stage "X" 3.8L engine, its 6th full power pull laid down 1760whp with more left in it.
  16. Drag
    Last week, the "Goliath" GTR blitzed the standing mile in just 22.7 seconds at more than 225 mph on its maiden shakedown run at the most recent Moscow Unlimited test and tune day. "That's a good start," explains Tym Switzer, head of Oberlin, Ohio-based Switzer Performance where the car was...
  17. R35 GT-R
    As usual, it's been a while since I've had the chance to catch up and post. Recent events and developments have made me realize that I need to take a break and get some current information out there to the GTR community about what we have been working on and our involvement in these recent...
  18. R35 GT-R
    Congrats to John for nailing an 8.7 at 169 mph today! As many of you know, John works with many of the GTR shops and has close ties with most. He's pretty much running something from all of us so I think it's safe to say we can all share in his success. Running hardware from AMS...
  19. SP Engineering
    When Godzilla emerged from the sea and terrorized the streets of Japan, people fled in a frenzy of terror. Here at SP we would like to think that the unveiling of our SPE Godzilla Package will do the same to anything on the road it crosses paths with. Throughout the past few years of R&D, as...
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