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Tracking / Autocross / HPDE / Drifting What these cars were built for!


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Old 02-04-2013, 10:32 PM   #1
robispec
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Robispec TIME ATTACK Build

GAME ON
Robispec TIME ATTACK Build
For those who don't know who or what Robispec is, we are a chassis shop that takes pride in making cars handle better than stock, have consistant handling charactristics, and allow the cars driver to have more feedback before things get outta control.

For this build we will be using these criteria.







Does the modification/deletion make our FRS:
  1. Safer @ the track
  2. Faster @the track
  3. More Reliable @ the track
  4. Lighter everywhere (not always the same as #2)
What will have very little to no influence for this build.

Does the modification/deletion make our FRS:
  1. Keep the WARRANTY? (if you want one KEEP YOUR CAR STOCK)
  2. Quieter (intake brakes exhaust come to mind)
  3. JDM cool
  4. Looks over function (We like looks but like going faster more)
  5. Easier to Daily drive
  6. More comfortable to daily drive
  7. Sexier to pick up girls with
So with that short intro let the BUILD BEGIN.

First order of business will to be getting the handling sorted out


CLIFF NOTES

Robi's "Spec" (version 1.19.NA 2/23/2013 this build is a moving target lol)

this car is "legal" for:

Extreme Speed FT-86 cup (under or new mod rules)
Raceline/JDMzipTies USA-86 Challenge (base class)
Speed Ventures 86 Challenge (mod class = 22 points)
Redline enthusiest class time attack


Weight 2550 (+240 driver)
Fuel E-85
Tune ECUtech Bill Knose Delicious tuning Vista CA
Robispec CAI
BORLA ELH engine back catless exhaust
PST Carbon fiber driveshaft
M-Factory 4.7 final drive
Brakeman/Robispec Full 4 corner Brake Kit
Enkei 17x8+45 wheels
NITTO NTO1 225/45/17, Rival 225/45/17, Hoosier 205/40/17
KW/Robispec/Swift Springs 7KG/Ground Control front suspension
KW/Robispec/Swift Springs 8KG/ Rear suspension
Robispec Front lower control arms
Robispec Bumpsteer tierod ends
ARP wheel Studs
Robispec Hard anodized Aluminum Open top Racing Lugnuts
APR GT Mirrors
Grillmaster Radiator Grill
Robispec Big Radiator and L2L Oil cooler
Whiteline diff "KIT", subframe "KIT" trans mount stiffner, Rear upper control arm camber "KIT"

Setup 3" lowered front and rear
15mm front spacers(front effective offset +30)
1" wider track front @ ball joint
+6 degrees anti-dive
+8 degrees castor
-3.6 front camber
-2.6 rear camber
ZERO toe front and rear
Roll center corrected and bumpsteer corrected for the low ride height
No rear swaybar
Stock front swaybar
Robispec front endlinks

This is what we have done so far.

Lowered the car 3" ( and Center of gravity 3" too) with a combination of tire size and custom suspension components that yield stock camber gain curves,lowered Center of gravity, corrected roll center, bump steer,anti dive, wider front track width, and stock travel on the suspension (though we do change the compression vs droop limits). See cliff notes above.

I was able to take the car to the local dealer and get side by side shots.
Front view

This image has been resized. Click this bar to view the full image. The original image is sized 1024x577 and weights 75KB.

yes those are louvers to keep the car cool. the stock hood is lighter than any aftermarket hood sofar.
nose to nose

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and

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rear view

This image has been resized. Click this bar to view the full image. The original image is sized 1024x577 and weights 70KB.



Its WORKING
__________________
1st place ExtremeSpeed FT-86 CUP (under class)
1st place Raceline/JDMzipties USA 86 Challenge (Base Class)
1st Place Speedventures 86 Challenge (Mod class)
Fastest overal "86" time @ ACS Fontana 1:56.8 Fastest NA time at WSIR 1:35.06

Last edited by robispec; 04-26-2013 at 03:59 AM. Reason: adding things
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Old 02-04-2013, 10:32 PM   #2
robispec
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first of many picts

these control arms are
rollcenter,
caster
track width
camber
and anti dive
adjustable

have bump steerable tierod ends too

NOW FOR SALE FINAL TESTING DONE
Proudly used by the Inovate Supercharged car at the Modified Magazine Ultimate street car Shootout.






These are HALF the weight of the stock item stiffer stronger and have a range of adjustment that excedes its usfulness..lol

STREET no sheetmetal triming
Adds 2" rear travel



RACE requires rear sheetmetal trimming
Adds 3" rear travel


Last edited by robispec; 04-30-2013 at 01:50 AM.
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Old 02-04-2013, 10:32 PM   #3
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BORLA!

Last edited by robispec; 03-18-2013 at 11:05 PM.
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Old 02-04-2013, 10:33 PM   #4
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teaser picts
saved 60 lbs on the total system
fronts under wheels

rears naked

and under wheel

Last edited by robispec; 02-05-2013 at 02:38 AM.
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Old 02-04-2013, 10:33 PM   #5
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SO here are some NEW picts and info on our SUPER HEAVY DUTY COOLING UPGRADE READY TO SHIP TODAY

At Robispec we are fans of extra credit work and so we went to an "overkill cooling solution" stock radiator is 15mm core we replace this with 2 22mm tube core add a liquid to liquid oil cooler in the "cold side tank" and have less than 2.5 feet of total lines to complete the whole "kit".
The best thing about this is that you dont need to thermostaticly control the oil temp (a big potential problem with the Air to liquid cooler solutions) as the water thermostat does this for you and actually heats the oil faster during warm up then stabilizes it to run about 20-30 degrees hotter than the water temp. this is better in many ways than the current kits on the market.
1. lighter overall
2. short hose runs,minimal resistance to flow = no extra strain on the stock oil pump
3. "fixes" the Water cooling issues sure to develop with the stock radiator.
4. Uses existing cooling airflow and leaves fender locations for brake ducting
5. Uses all factory connections/hoses fits with bumper beam and all plastic parts
6. Works with VORTECH and almost all aftermarket intakes and the Stock air box (PM for fitment details)

Picts in the car











here are the cores for comparison. BIG PROBLEM and no oil cooler included with the car either.
Even the A/C condensed is thicker than the Stock radiator!(3/4" vs 5/8 ")

here is the BEST solution...to the above problem
system out of the car



NO cutting plastec to mount
Cold air or turbo/FMIC piping over the top as needed

STOCK mounting points used
OVER TRIPLE THE COOLING CAPACITY and an extra Qt of engine oil.
takes 2 hours to install Install is the same as Stock radiator install with the addition of the oil cooler fittings.
total system cost Radiator oilcooler takeoff plates hoses, an fittings, fans
EVERYTHING INCLUDED for John Q Public to install $985.00


Robi

Last edited by robispec; 06-20-2013 at 01:15 AM.
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Old 02-04-2013, 10:34 PM   #6
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saved for AERO
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Old 02-04-2013, 10:41 PM   #7
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we installed a PST carbonfiber driveshaft @ 900 miles and LOVE IT 13 lb rotating weight OFF THE CAR! we have 5300 miles on it to date no issues.

Last edited by robispec; 02-05-2013 at 02:04 PM.
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Old 02-04-2013, 10:42 PM   #8
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saved for bodywork
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Old 02-04-2013, 11:29 PM   #9
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saved for driver?
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Old 02-05-2013, 12:57 AM   #10
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Garage
Saved for action pics/vids
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Old 02-05-2013, 01:34 AM   #11
robispec
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Quote:
Originally Posted by 03Z33 View Post
Saved for action pics/vids
ok deal
corkscrew Laguna seca






Turn ten Laguna seca





Vette chassing MRLS

full compression at Laguna Seca

HOOKED UP in turn 6 Laguna Seca

turn 5 laguna Seca sequence showing weight transfer steering angles and contact patch application






Enugh action??
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Old 02-05-2013, 01:51 AM   #12
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Looks fast (as opposed to great ).

Have you taped over just the blanked out portion of the grill in front of the radiator, or extended down to reduce air flow slightly? That red tape looks to go down a long way.

Also, any before and after fluting under bonnet temps?


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Old 02-05-2013, 01:57 AM   #13
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How did you get those vents in the bonnet? It looks a little neater than what could be obtained just using tin snips.
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Old 02-05-2013, 01:57 AM   #14
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Quote:
Originally Posted by coyote View Post
Looks fast (as opposed to great ).

Have you taped over just the blanked out portion of the grill in front of the radiator, or extended down to reduce air flow slightly? That red tape looks to go down a long way.

Also, any before and after fluting under bonnet temps?


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moves alot more air so I block off 3/4 of the grill both for wind resistance and front downforce
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