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| NILS LEUFVEN |
| 1994 TOYOTA SUPRA TURBO |
| 6 SPEED |
| SILVER/BLACK |
| LAS VEGAS, NV. USA |
 EMAIL NILS |
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GENERAL:
I bought the car in 1998 and it had about 43k miles on it. At that time I had hung out on the mkiv.com mailing list for a while and knew I wanted to upgrade the car pretty soon. The car remained stock for another year because I wrecked the car and had front end damage. In 99' the car was drivable again but only with minor mods such as downpipe, intake, coilovers, rims and a body kit since I had to replace the damaged body panels from the wreck. I dynoed the car at the 2001 Stillen meet and put down 350 rwhp, this was with a downpipe and intake, stock plugs, wires etc., a fairly common hp number for the mods on the car at the time. Ever since I have slowly accumulated all parts necessary for my single turbo conversion. The car sat at SP Engineering where Alex and his crew installed the single turbo, and other goodies. After dropping the car off it only took Jason and Rex 2 weeks to complete the work, it was a big list of to do’s and I suspected that they would actually take longer to do the massive amount of work. Not only was the car completed early but when I picked it up it was clean as a whistle and included a written description of what was done. On top of that they also gave me photos of the work in progress!!
I have now had the car for a while with the T04R in it and could not be happier, very streetable, no problems with the car, only the exception of a battery that tends to drain pretty fast. I am astounded at how easy this car is to own, how easy it is to maintain with over 700hp at the crank. Only problem now a days is that I am having a problem finding equal or greater cars to play with, seems like motorcycles are the only common opponents.
I have dealt with many tuners throughout my life and SP Engineering are the only people I would deal with, sure they are not cheap, but that is something goes hand in hand with excellent service and craftsmanship. I can't even begin tell you how happy I am with SP Engineering..... ask me anytime. Over time I have created a great relationship with SP and I do not hesitate to call them my friends, Ken Henderson would back me up on that too. Alex, Jason, Rex, Jeff, Ivan, Chris, john and Andrew and the rest of the SP crew are just awesome at what they do. In addition Dave Mashour has been more than helpful in getting most of the aftermarket parts for my Supra, his company pmimporting.com has specialized in importing hard to find parts from Japan for many years. | ENGINE:
The engine is pretty much stock with the exception of JUN 264 ex/in camshafts and an HKS "stopper" 1.6mm metal headgasket as a cheap insurance measure. The head is stock and is bolted down with ARP head studs. I have an HKS TO4R turbine with .96 a/r, basically the whole kit from HKS and all that comes with it, wastegate, manifold, power flow intake etc.... Only using monster T-style clamps to ensure no boost leaks. The radiator is replaced with a Fluidyne all aluminum piece and right infront of it sits a huge HKS GT spec intercooler. To vent compressor surge I chose an HKS racing type2 Blow off Valve, which seems to work great and sounds awesome. Denso Iridium spark plugs make sure that the fuel gets burned. I always run Red Line fully synthetic oil and TRD oil filter that is attached to a Greddy oil block adapter kit with temp probes in it. Last but not least, I run a Greddy Power Extreme 94mm stainless steel exhaust which sounds really menacing at high rpm's. The clutch assembly has been modified with a RPS stage 3 clutch, which is a single plate, 6 puck, hub sprung, part carbon fiber ordeal. I like the clutch alot and it seems to hold the power well. For all those who wonder.. yes the clutch assembly rattles a lot at idle, this is something that does not bother me though. The 6 pound Mueller lightened flywheel is the main cause of the clutch noise. Bryce Danna Motorsport modified my stock shifter assembly into a nice short shift kit. | FUEL:
I have stock dual intank fuel pumps feeding six Denso 720cc injectors through a BD Motorsport -6 AN stainless steel braided fuel line. Pressure is regulated through a Paxton fuel pressure regulator. The injectors sit in an HKS billet fuel rail with fuel line connected at opposite ends of the rail to feed all cylinders. I want to add that I bought all these parts as a kit from BD/PMI motorsports. | ELECTRONICS:
The ECU remains stock with alot of piggy back items, since this is a street car I have chosen to stay away from full engine management systems such as the MoTec, well, at least for now ;) I also do want to note that the stock Toyota ECU is a very good piece. Boost is controlled through the HKS EVC Pro (electronic Valve Controller), rated at 3bar, it provides plenty of breathing room specially since I never boost over 1.75bar. I got rid of the MAF and replaced it with a HKS VPC and a HKS GCC (Vein Pressure Converter & Graphic Control Computer), these units allow me to fine tune fuel consumption in specific powerband increments and rids of the MAF and replaces it with speed density. A HKS turbo timer works for me when I don't have time to do some cool-off driving. To avoid fuel cut from increased boost pressure I added the HKS FCD (Fuel Cut Defenser). In order to give my Iridium sparkplugs some more juice I installed a HKS Twin DLI ignition amplifier, definitely worth the money. I got a set of HiD’s from Peter at coolbattery.com, the kit was put together by Pheonix Micro Lite. HiD’s helped me out a lot since my vision at night is not as good as it used to be, I want to note that Pheonix Micro Lite has awesome customer service and really helped me out in a big way. | BRAKES/CHASSIS:
I have a Brembo big brake kit on the front. This is a kit which includes huge 332x32mm vented, 2 piece/floating, cadmium plated, crossdrilled/slotted rotors, Stainless steel lines, brake pads, and 4 piston Aluminum Calipers. In the rear I have stock sized cross drilled rotors and friction tech brake pads, I stripped and painted the rear calipers black to match my Brembo's. The chassis of the car is very stiff, replacing stock shocks and springs I used Tein type HA coilover system with upper pillow ball mounts. The Tein dampers are 16 way adjustable which allows you to add or subtract more stiffness, I have to admit that the dampers are very stiff even at their softest setting. The Tein's in my opinion are definitely worth every penny. TRD front and rear sway bars replace the originals and are approximately 30% stiffer. TRD also takes care of the strut tower bar, very big and stiff unit. My rear strut tower bar is made by Cusco, a beautiful carbon fiber piece. To wrap up the chassis issues of a targa top car I installed a DoLuck floor brace which mounted perfectly right infront of the rear seats and noticeably reduced chassis flex.
The rims on my car are Kinesis K58's, The forging process used to create K58 centers produces a radial grain structure in the same direction as operating stresses. After forging, the centers are heat treated, aged, C.N.C. machined, shot peened and hard anodized. All Kinesis wheels are made to order. This means that the center and both rim sections (available in half inch increments) are assembled to meet the exact requirements for your application. K58 rims are the highest quality available. They are spun by computer operated, numerically controlled machines over tooling mandrels specifically designed for each rim size. They are unsurpassed for trueness and consistency in thickness at all critical points. Each outer rim is polished to a brilliant chrome like finish. Each wheel is assembled with forty black nickel plated aircraft quality bolts which are installed and torqued by hand. Each wheel is then put on a test stand and checked for trueness before being sealed with high quality silicone. The sizes are front:18x9.5 and rear 18x11 with BF Goodrich T/A KD tires (very sticky) 285/35's in the rear and 245/40's in front. Alan and Robert at Kinesis helped me out when I decided to anodize my centers, they met my deadline and delivered rims on time. Kinesis rims are amazing, extremely high quality. | INTERIOR:
I tried to make the interior of the car very subtle, but that gets hard when you nearly replace all OEM parts in there. I installed some all black Recaro SRD seats, very comfortable and snug seats. I retained my stock seatbelts as harnesses become a pain in the ass for daily driving. The steering wheel was replaced with a MOMO millennium steering wheel, which feels solid and looks great. In order to remain my cruise control I got a BOSS steering wheel hub adapter which has three buttons on it to work the cruise. The tachometer was replaced with a TRD unit that reaches 10k. A black dual A pillar from LoTek was installed with two Greddy 52mm black faced gauges, boost and egt. For more engine monitoring I installed 3 gauges in my glove box, all 60mm Greddy Black faced, water temp, oil pressure and finally oil temp. The VPC and GCC is also mounted in the glove box. On the left of the steering wheel is an EVC Pro boost controller and right under sits the HKS turbo timer. I quit smoking about 1 year ago, good thing since there is a SP Engineering FMIC temperature monitor in my ash tray now. I love this monitor, it tells me the efficiency of my HKS GT front mount intercooler, reads the ex/in temps plus it figures out the difference of both. | PERFORMANCE:
Last time at the Dyno I pulled 671rwhp out of the car, I was very happy with my results as this was the first time I dynoed the car by myself. Since I was in Vegas’ at the time and my tuner is in L.A. I printed out each run and faxed the dyno graph to Alex at SP and he walked me through most of the tuning process, that was a good learning experience. You know of any other tuner that would do that for you? Car feels great though and runs like a champ. I feel lucky to have been able to do skid pad and slalom tests my car, the car did extremely well for being a "street" car with NO track tuning what-so-ever. I did 1.009g's on the skidpad and the car hustled through the slalom at 71.6 mph. This was all tested on the BF Goodrich street tires.
On a final note I would like remind you that this car is a DAILY driver, it doesn't sit in the garage all the time, I drive from Las Vegas to Los Angeles all the time. SP Engineering, my tuner (only shop in US which I would let touch my car) is in Los Angeles and whenever I need something done to my car I have to drive it there. I would also like to add that everything in my car works.... A/C.... stereo.... traction control.... cruise control... everything.
Hope I have inspired at least someone out there to build a bad ass street machine, it can be hard but it is definitely worth it. Take care and keep the racing off the streets.
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PARTS LIST:
| ENGINE:
HKS T04R Turbo with .96 A/R
HKS Manifold
HKS GT Wastegate
HKS Racing BOV
HKS GT spec FMIC
HKS 1.6mm Metal Head gasket
HKS Power Flow Filter
AEM Camgears
Denso "Iridium" Sparkplugs
JUN 264 Exhaust & Intake Camshafts
Fluidyne Aluminum Radiator
Greddy Oil block adapter kit
Greddy Power Extreme 94mm SS Exhaust
ARP Cylinder Head Studs | FUEL:
Greddy 720cc Injectors
HKS High Performance Billet Fuel Rail
PMI / BD Motorsport Fuel line kit
Toyota Intank Fuel pumps (2)
Paxton Fuel Pressure Regulator | ELECTRONICS:
HKS EVC-Pro (Electronic Valve Controller)
HKS Vein Pressure Converter (VPC)
HKS Graphic Control Computer (GCC)
HKS Twin Power Type DLI Ignition Amplifier
HKS Turbo Timer
HKS Fuel Cut Defencer (FCD)
Pheonix Micro Lite / Phillips HiD Headlight Kit | DRIVETRAIN:
RPS Stage 3 Carbon Fiber Clutch (sprung hub)
BD Motorsport short shift kit | BRAKES/CHASSIS:
Tein HA 16-way Adjustable Coil/Overs
Tein Upper Pillow Mounts
TRD Strut Tower Brace (front)
Cusco Carbon Fiber Strut Tower Brace (rear)
TRD swaybars (front & rear)
DoLuck Floor brace
332x32mm Brembos rotors and calipers (front)
Cross drilled/slotted Rotors (rear)
Friction Tech Brake Pads (rear) | WHEELS/TIRES:
Rims: Kinesis k-58's: 9.5x18 (front) 11x18 (rear)
Tires: BF Goodrich T/A KD’s 245/40 front) 295/35 (rear) | INTERIOR:
SP Engineering FMIC temp monitor
Greddy 52mm Boost Guage
Greddy 52mm EGT Guage
Greddy 60mm Oil temp Guage
Greddy 60mm Water temp Guage
Greddy 60mm Oil Pressure Guage
TRD 10.000 RPM Tachometer
Veilside Shift Knob
LoTek Dual A Pillar
MOMO "Millenium" Steering Wheel
Recaro SRD buckets
Boss hub adapter
SP Engineering Custom Glove Box Guage Cluster | EXTERIOR:
Bomex "Big Mouth" Front Bumper Cover
Bomex Side Skirts
Bomex Rear Side Skirts
Abflug hood |
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turbo: HKS TO4R
pistons: oem
rods: oem
head: oem
cams: JUN 264
boost: 28psi
injectors: 720cc
pumps: oem x2
fmic: HKS GT
clutch: RPS S3 CC
nitrous:
rwhp: 671 (dynojet)
circa 789hp at the flywheel
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