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I have a 1993 Montego Blue Metallic base model
Mazda RX-7. I use it on the street, for time trials, and an occasional AutoX or drag race. The goal is to make it a reliable and consistent performer with a lot of power available and have the brakes and handling to keep it all in balance. I'd probably have better lap times if I spent all the time and money I have in the car on myself with some driving schools and more seat time, but the truth is that I like tinkering with the car so I built the hell out of it.
I popped the motor after some tuning mistakes and decided to rebuild it with the new R85 turbo kit and a custom front-mount IC, with some custom ducting and radiator mounting. I decided to try some Evans NPG+ coolant to see how that works, since I overheated the last setup a few times under extreme conditions. I am also experimenting with some ceramic coatings on the rotors and manifolds. I don't have it back from the shop yet, but it is almost ready to come home. I've got to break it in and tune it and then I will post some dyno charts and go do some open track events (it's been too long!).
Safety
Brakes
- 4-piston AP, 13" rotor brake kit
from
N-Tech Engineering
- SS
pistons for AP calipers from Essex
- Rear: Wilwood
NDL 4-piston brake calipers, Widefoot
caliper brackets, 2-piece rotors from Precision Brakes Company in the Mazda RX-7 RZ (12.2"x0.8") size
- Brake
master cylinder from Mazda 929 (1" bore versus the stock 15/16")
- Ferodo
DS2500 street pads, DS3000 track pads F&R from
Essex
- SS
brake lines
Suspension
Wheels, Driveline & Pulleys
- SR
Motorsports water pump and alternator underdrive pulleys, that I had stripped, polished and re-anodized red (they were blue)
- Exedy Hyper Single clutch and flywheel assembly (it's a single disc clutch constructed much like a multi-plate, including a forged clutch cover, sprung puck disc, and a light steel flywheel)
- Volk
SE37K wheels with 245 and 265/40-17" Bridgestone Potenza S-03
tires for the street
- 18x10" CCW wheels with
285/30-18 BFG g-Force R1a tires
for the track (time for some new rubber!)
- SS braided clutch line from
Crooked Willow
Racing
Exhaust
- N-Tech high flow cat
- RS*R dual tip, painted 409 stainless exhaust
Lubrication
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Mazdatrix rebuilt my engine, including:
- Street port
- Ianetti 2mm 1-piece ceramic apex seals
- Rotary Aviation water o-rings
- Thermal barrier coating on rotor faces from Swain Tech
- Ceramic coated upper and lower intake manifolds, ceramic coated GReddy elbow, coatings by Embee Peformance
- Block-off plate kit from RX-7 Store
Turbo & Turbo Control
- Reactive Racing / KG Parts R85 turbo kit (includes SS manifold, turbo, Tial wastegate, downpipe, air filter, hardware)
- Custom front-mount IC built from Pettit 20B vertical-flow IC core, and significantly reworked by Performance Solutions to create/change the mounting, ducting, and pipes for my setup
- Tial BOV from Extreme
Motorsports
- A'PEXi AVC-R boost controller from Titan
Motorsports
Cooling System
Fuel System
Ignition, Electronics & Instrumentation
- HKS
TwinPower ignition box and harness, purchased from Rotary
Xecret (07 Oct 2001)
- A'PEXi PowerFC engine control unit from
SR
Motorsports
-
FC-Datalogit control and
logging device for PowerFC (cool product!)
-
Oz DIY-WB
wideband oxygen sensor
- PFS boost
gauge, in RE Amemiya steering column mount from Phase
2 Motortrend
- SPA dual digital gauges (OT/OP and WT/FP) custom mounted in stock dash (replacing the stock OP and WT gauges)
- N-Tech small battery and tray/mount (Odyssey PC680 - just 15 lbs!)
Other Stuff
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Soon to be installed
- Camera mount from ioport
racing
-
2-position adjustable rear sway bar from
Tri-Point Engineering (might
install if I think it needs more rear roll stiffness)
What's next
- Break-in and tuning!
- Pop-off
valve to protect engine against overboosts
Last Updated: 20 Feb 2005
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