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SCCA Stars and Stripes TT Nelson Ledges 6/28/2025
Robert Korn
Località:
United States
Livello:
Amateur
Robert Korn
Data Giro : 02 Jul, 2025
1min 16.6sec (-0.82s)
Nelson Ledges Race Course
Mazda RX-8 S1 2004 (RobertK/P1)
Medio
Pneumatico: 200 Vitour P1
Dimensione Pneumatico: 245/40/17
Pubblicato il 24 Jul, 2025

Took a win in SCCA TT T4 class at Nelson Ledges June 28-29th at the NEOhio regional time trial event. 1:16.660, just 0.125 off my personal best despite the 90 degree heat.

I get asked quite a bit what mods have been done, here is the comprehensive list. Prices not included, please don't tell my wife if you know....

Engine:
RE-medy high flow water pump 
Ryan Rotary Performance OMP bypass with reservoir 
Green Brothers racing pulleys 
Bennett built ignition w/ D585 coils 
NGK 10mm race wires 
NGK (4311) R6725-11 Racing Spark Plug 
Versatuner installed with custom tune 
Racing Beat braided oil cooler lines 
eBay Oil catch can 
Rotary Performance 165 degree oil cooler thermostats 
RX8 Performance aluminum/poly engine mounts 

Electrical 
6# AGM battery in stock location 
Custom battery mount/cables 
13 tooth 2kW starter

Intake/Exhaust 
Racing Beat REVi intake 
Racing Beat headers
RRP Rx8 3″ 100 Cel Race Catalytic Converter 
Racing Beat exhaust 
LRB header shield 
Wide band oxygen sensor w/Autometer digital AFR gauge 

Driveline 
Goodrich stainless clutch line 
Reinforced clutch pedal from RX8 Performance 
RX8 Performance synchro saver 
Exedy lightweight flywheel 
Exedy clutch 
Poly differential bushings 

Suspension 
Mazdaspeed carbon fiber front strut brace 
BC racing BR coilovers built by HGB Motorports 
Swift 14k/8k 60mm springs 
Racing Beat front sway bar 
Racing Beat adjustable sway bar links with 50mm studs 
Racing Beat adjustable rear sway bar 
Energy poly rear suspension bushings 
Paco Motorsports eccentric locks 
HGB Motorsports Delrin lower control arm bushings 
Keisler Automation front upper control arms 

Wheels/tires 
Enkei RPF1 18x9.5 ET38 with 265/35R18 Bridgestone RE71S (fast)
Enkei RPF1 17x10 ET38 with 255/40R17 Yokohama A052 (faster)
Enkei RPF1 17x9 ET45 with 245/40R17 Vitour P1 (FASTEST!)
Wheel spacers 5mm/10mm/20mm depending on the wheels

Brakes 

Wilwood Superlite 4R front calipers 
Hawk DTC30 front pads (thanks Mike Kubiak at Hawk!)
EBC slotted front rotors/OEM rear rotors 
Powerstop OEM rear calipers 
Hawk HP plus rear pads 
Braided brake lines 
ARP 3.25" wheel studs 
Bimmerworld 19mm Quick-Change Coated Race Lugs

Body 
Racing Beat radiator/oil cooler screens 
JDM clear front side markers

Fluids (all supplied from Summit Racing):
Engine oil - 20w50 Royal Purple HPS High Performance Street Motor Oil 31250
Gearbox - 75W90 Red Line MT-90 Transmission Gear Oil 50304
Differential - 75W90 Red Line GL-5 Gear Oil 57904
Coolant - Summit Racing™ Non-Glycol Racing Coolant SUM-943000
Fuel - Shell V-Power® NiTRO+ 93 octane premixed 1:128 with Lucas Semi-Synthetic 2-Cycle High-Temperature Racing Oil 10110-1

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