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Dyno of Supra Road Race Track Car

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  #1  
Old 09-18-2011, 08:13 AM
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Dyno of Supra Road Race Track Car

This is a cross post from the Japanese forum since my car is a dedicated track car and the new tune was made just for road race track conditions...
Stage6 Motorsports put in a set of GSC S1 cams (along with converting to shimless buckets) and then sent the car to MASE Engineering for a complete re-tune.

Mase uses a Dyno Dynamics Dynamometer (load bearing chassis dyno) for tuning, so the graphs below are at least 10% lower than what a dynojet would have recorded. Mase tuned the car from scratch, and these graphs were recorded after many, many pulls to simulate how the car normally runs after 10-15 minutes of being on track and everything heat soaked.

Here is a link to an short in-car video: http://vimeo.com/29216878


My car is a dedicated road race track car, a few of the details:
  • GT35R with 0.68 housing
  • AEM v1.0 Tuned by Mase Engineering
  • GSC S1 Cams with shimless buckets
  • Greddy header and wastegate (from a T78 single turbo kit)
This graph shows RWHp & RWTq (DynoDynamics Machine - not DynoJet)

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This graph show RWHp and BOOST (DynoDynamics Machine - not DynoJet)

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The boost is hitting almost too hard, so we will be back out in late October to finish the fine tuning when at the track.

Overall, I could not be happier. Dwight and Mase were able to finally fix the boost control issue I was having and the car has never been so powerful on track to date...




.
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  #2  
Old 10-06-2011, 09:15 AM
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Looking good, Josh. I want a ride in that thing next time! We'll be back at Roebling on Oct 22-23, probably with Wes' car there too now that he can walk again...

We'll be at Sebring with the Porsche this weekend with Chin Motorsrpots. When's your next event? Heard you were doing some wheel to wheel racing soon.
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  #3  
Old 10-10-2011, 06:44 PM
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Very nice!
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  #4  
Old 10-15-2011, 12:41 PM
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First, I'm glad someone posted in this section. For a Porsche dominated forum, this section is highly neglected. I'm glad to see anything in this section no matter the make.

Quote:
Originally Posted by PeakPower View Post
Those power levels are really good for a dedicated track car if it's setup correctly. Is the supra lightened, does it have a roll cage, full suspension, safety equipment, tires, cooling, etc.

If all those items are dealt with those power levels are more than adequate.
I don't know, in my opinion and experience, guys with more than 500-600 whp seem to have lots of problems, even if small ones that ruin weekends. That 583 on DD will be probably 650 whp on a dynojet. I know the Supra motors are tough, but just saying, that is a lot of HP.

I was going to ask the other details as well, what else is on the car and what tracks do you visit regularly?
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The GT-R is harder to drift than a 997 TT or 997 GT3, therefore if you are trying to drift, the GT-R will consequently get a faster lap. Normal apexing and driving not included.


See Evo and Car magazine for details.
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Old 10-15-2011, 05:39 PM
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Quote:
Originally Posted by PeakPower View Post
Twinsturbo has a widebody built supra that has 850whp that road races all the time.

http://www.youtube.com/watch?v=3mnzDXhvBqE
That is a shop car though, so they can take that baby out and fix it all the time if they want. I take it this guy is an individual, so troubleshooting isn't nearly as efficient. It can be done, I'm not saying otherwise, but the higher the hp, the more stuff breaks.
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The GT-R is harder to drift than a 997 TT or 997 GT3, therefore if you are trying to drift, the GT-R will consequently get a faster lap. Normal apexing and driving not included.


See Evo and Car magazine for details.
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  #6  
Old 10-25-2011, 07:56 AM
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Quote:
Originally Posted by heavychevy View Post
I was going to ask the other details as well, what else is on the car and what tracks do you visit regularly?

Car is pretty well developed and very reliable...here are a few random pics:



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http://www.youtube.com/watch?v=yyvEfI9L2eo[/URL]

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  #7  
Old 10-25-2011, 07:57 AM
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Here is a short list of mods:


Engine\Drivetrain:
GT35R dual ball bearing turbo
Greddy tubular exhaust manifold
Custom Titan Motorsports intercooler piping
HKS GTR front mount intercooler
Tilton Triple Disc carbon/carbon clutch (9lb flywheel)
TRD differential
AEM standalone engine management
HKS twin power ignition
Titan Motorsports custom fuel system (850cc injectors)
Fluidyne radiator, oil cooler, and power steering cooler
Tial blow-off valve
Titan Motorsports dampened crank pulley
Custom downpipe
Greddy racing titanium exhaust
Swaintech White Lightning exhaust coating on header, turbine housing, and downpipe
ThermoTec exhaust wrapping on header and downpipe
Boost Logic turbo blanket
Stage6 Motorsports oil cooler and radiator ducting
Titan Motorsports billet transmission mounts

Aero:
Aeromotions R2 Dynamic Wing with Carbon Fiber wing blade and aircraft aluminum uprights
Aeromotions custom front splitter
Aeromotions custom max down force tune

Brakes:
StopTech 355mm 6 Piston Front / 4 Piston Rear Trophy Brakes
StopTech braided stainless steel flexible lines
Hawk DTC-70 brake pads front and rear
Stage6 Motorsports brake cooling ducts
Tilton TSR-1 Supreme Brake Fluid

Suspension and Chassis:
Moton 3 way adjustable dampners
Hypercoil springs 1300lb front 950lb rear
TMS adjustable front and rear sway bar
TMS adjustable end links with spherical bearings
F & R Upper Custom Titan Motorsports Control Arms with spherical bearings
Rear Custom Titan Motorsports Toe Link Arm with spherical bearings
All other suspension control arms have spherical bearings or delrin bushings
Front and rear Cusco shock tower braces
Titan Motorsports solid rear subframe mounts
Titan Motorsports solid differential ear mounts
Titan Motorsports solid differential mounts
Titan Motorsports solid rear subframe mounts

Wheels/Tires:
CCW Cosair C14 (black) 18X10 front 18X11 rear
CCW Cosair C14 (grey) 18X10 front 18X12 rear
Hoosier R6 285/30/18 front 315/30/18 rear
ARP wheel studs

Data/Video:
Traqmate Complete (data acquisition system)
Integrated ChaseCam (in car video)
HD Go-Pro Hero (bumper camera)

Safety:
Grand-Am Spec Roll Cage
SPA Techniques 6 point fire suppression system (ATFF)
Schroth Profi II Hans Endurance 6 point harnesses
Sparco EVO II seats
Moroso battery box in rear with Odyssey PC680 14lb battery
Driver’s side window net

Misc.:
Titan Motorsports molded lexan front windshield (NASCAR style bracing)
Titan Motorsports molded lexan rear hatch glass
Coolsuit system
Carbon fiber vented hood with Aerolatches
Sparco quick release steering wheel hub (welded spline style)
Sparco sued steering wheel
SPA Techniques sequential shift lift
FJO wideband air fuel ratio gage
Greddy boost pressure gauge
VS-Billet camcorder rollbar mount
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  #8  
Old 10-25-2011, 08:27 AM
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Quote:
Originally Posted by TitanMotorsport View Post
Looking good, Josh. I want a ride in that thing next time! We'll be back at Roebling on Oct 22-23, probably with Wes' car there too now that he can walk again...

We'll be at Sebring with the Porsche this weekend with Chin Motorsrpots. When's your next event? Heard you were doing some wheel to wheel racing soon.

Thanks John...I will be back at RRR Dec 2/3/4 for the Advanced Solo DE and maybe Sebring in November.

I did some w2w at the SCCA Regional at Daytona a few weeks ago...raced a 72 911 RS...was a great event and a lot of fun!
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Old 10-25-2011, 11:02 AM
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lots of work in that car for sure. Like the machined front splitter and front brake ducting work. Motons..... nice!

What does it weigh with fuel and no driver?
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  #10  
Old 10-25-2011, 03:43 PM
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Quote:
Originally Posted by gnx7 View Post
What does it weigh with fuel and no driver?
It weighs 3,119 wet with ~10 gallons of fuel and brand new R6s. Light for a Supra, heavy for a track car...

CF doors and front fenders will help a bit...
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  #11  
Old 10-27-2011, 12:37 PM
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Any more in car videos or lap times for this monster?
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The GT-R is harder to drift than a 997 TT or 997 GT3, therefore if you are trying to drift, the GT-R will consequently get a faster lap. Normal apexing and driving not included.


See Evo and Car magazine for details.
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  #12  
Old 10-27-2011, 12:42 PM
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Here are a few in car videos:

http://vimeo.com/6806898


http://vimeo.com/9166990


http://vimeo.com/20405122


http://vimeo.com/29216878


http://vimeo.com/7097806


http://vimeo.com/12714086
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Last edited by joshbarnes; 10-27-2011 at 12:49 PM.
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  #13  
Old 12-04-2011, 11:50 PM
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With all the potential for these cars, I can never figure out why I never see them on track in the Bay Area. I read about 600/800/1000 hp Supras quite a bit and people must just drag race them. I organized a dyno day in Chicago back in 1996 for a bunch of RX-7 guys and 2 nearly stock Supras showed up and put down numbers that were 100 hp higher than just about everyone else. Can't figure out why more people don't road race them.
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Old 12-11-2011, 03:06 AM
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Awesome pics and video footage!
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Old 04-29-2012, 09:21 PM
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Josh, what is that splitter made of?
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The GT-R is harder to drift than a 997 TT or 997 GT3, therefore if you are trying to drift, the GT-R will consequently get a faster lap. Normal apexing and driving not included.


See Evo and Car magazine for details.
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Old 04-29-2012, 09:21 PM
 
 
 
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aem, car, crank, engineering, forum, gsc, gt35, mase, motorsupraroadrace, pic, race, rear, road, supra, v1


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