Series I Major Horsepower Upgrades

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Announcement: TAKATA Air Bag Extended Warranty (USA)

Jul 1, 2021 ASH8

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bnr, cold, fluid, gasket, greddy, kit, mazda, mazdamaniac, rotary, rx8, rx8club, start, turbo, upgrade, windshield

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Greddy Turbo Kit F.A.Q's. post them here

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rotarygod on Apr 26, 2005

May 30, 2024 06:31 PM
by Mc2g

547

232,009

10, 5255, aluminum, emu5, enkei, jpr, mazda, ngk, oil, pan, psi, rx8, rx8club, shims, thread, turbo

Sticky

Turbo owners, fill this out please.

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1 2 3 4)

Trekk on Jul 9, 2007

Nov 26, 2021 03:49 PM
by ciprianrx8

76,480

go, greddy, highest, horse, horsepower, matrix, power, psi, put, rate, rx8, sc, turbo, whats, whp

Sticky

Highest Horsepower dynos for SC Turbo and nitrous - post them here

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Brettus on Aug 7, 2009

Jun 20, 2017 08:40 PM
by TeamRX8

543

166,213

boost, club, esmeril, kit, overlord, overlords, rebuild, rx8, rx8club, sfr, spec, td06, torque, turbo, turbo ftw, turbonetics

Sticky

The Official Overboosted Overlords Club

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Kane on Jan 1, 2009

Jul 3, 2015 12:44 PM
by Kane

2,012

192,364

backwards, definite, download, emanage, fixes, fuel, greddy, injectors, mazda, n3h113250a, rpms, rx8, timer, turbo, v113

Sticky

Definitive Greddy Turbo Fixes - Here they are

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MazdaManiac on Jan 30, 2006

Jun 26, 2015 05:24 PM
by 9krpmrx8

460

156,428

350, adder, adders, bb, dummies, electric, mazda, nitrous, oxide, power, rebuild, supercharger, superchargers, turbo, turbos

Sticky

Power Adders (FI) For Dummies (Turbo, Supercharger, Nitrous)

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Kane on Jul 23, 2007

Sep 3, 2014 10:35 AM
by 9krpmrx8

155

137,051

Normal Threads

S2/S1 Irons compatibilty

Blackwell on May 28, 2026

May 31, 2026 11:07 PM
by Brettus

288

DW200 or DW300 Fuel Pump--Required Mods??

FasterNLouder on Dec 11, 2025

May 31, 2026 08:52 PM
by Brettus

1,103

Ricky's Turbo Renny 2.0 Build Thread

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Ricky SE3P on Aug 22, 2022

May 28, 2026 11:04 AM
by Ricky SE3P

125

15,276

Brettus Turbo IV Garrett G30-660

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Brettus on Dec 17, 2020

May 26, 2026 09:49 AM
by Brettus

650

159,507

Pre compressor injection

350matt on May 8, 2026

May 25, 2026 01:01 PM
by MilosB

932

Brettspeed Electric Turbo

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Brettus on Nov 24, 2024

May 16, 2026 04:42 PM
by Brettus

211

33,070

Faster N' Louder's Top Mount Turbo Build

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1 2 3)

FasterNLouder on Nov 3, 2025

May 16, 2026 02:40 PM
by FasterNLouder

4,236

Looking for information on studs/dowels

Mazdarian on May 2, 2026

May 7, 2026 01:31 PM
by MincVinyl

380

Reverse Enganeering a boosted renesis

Blackwell on Feb 13, 2026

May 7, 2026 08:06 AM
by Brettus

885

BrettSpeed Power Project

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jacksback on Sep 16, 2024

Apr 22, 2026 01:13 AM
by jacksback

127

23,060

Brettspeed cast manifold with G30-660 - info thread

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Brettus on Jan 8, 2022

Apr 1, 2026 06:42 PM
by Brettus

327

109,592

400WHP on pump gas thread

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1 2 3)

Brettus on May 21, 2024

Mar 23, 2026 01:55 AM
by MilosB

12,378

04, 200, 255lph, 8000, access, cut, fail, failure, fuel, metal, modes, problems, pump, rx8club, sheet, specs, test, trans, walbro, wrx

Fuel Pump Solution - All Failure Modes

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MazdaManiac on Jun 17, 2009

Mar 15, 2026 12:48 PM
by gwilliams6

929

423,363

battery, boost, build, club, custom, greddy, hymee, lap, leak, rx8, rx8club, seals, skc, supercharger, superchargers, thread

skc supercharger build

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skc on Jun 28, 2011

Mar 9, 2026 04:35 AM
by mazmorbid

747

122,411

Premix Ratios For Turbo + OMP Delete Applications

FasterNLouder on Feb 2, 2026

Mar 7, 2026 12:55 AM
by Blackwell

1,131

Yet another DIY turbo builld

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ciprianrx8 on Oct 27, 2020

Feb 7, 2026 10:32 AM
by ciprianrx8

271

49,553

How not to boost a renesis - public service announcement

ciprianrx8 on Sep 3, 2025

Jan 13, 2026 10:54 AM
by TeamRX8

2,418

TeamRX8 4-Port Renesis Street Turbo Concept Thread

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TeamRX8 on Jan 6, 2018

Sep 25, 2025 04:09 PM
by Lesespeed

257

93,271

Vacuum pump

WantedTwo on May 16, 2025

May 17, 2025 07:13 AM
by ciprianrx8

763

slash128's Top Mount Build

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slash128 on Feb 16, 2013

Apr 29, 2025 06:35 PM
by slash128

2,409

244,742

04, 9krpmrx8, bell, comp, corky, crankcase, filter, fuel, mach, n3r113250, pawarcom, pressure, rx8club, turbo, wwwmysohn

9krpmrx8's Boost Build Thread

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9krpmrx8 on Apr 4, 2011

Apr 10, 2025 11:45 AM
by 200.mph

4,242

499,255

Turbo vs supercharger - tested side by side

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1 2)

Brettus on Oct 20, 2016

Mar 1, 2025 12:40 AM
by MilosB

13,856

Renesis Hybrid thread N/A or turbo

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Brettus on Apr 9, 2021

Jan 25, 2025 05:55 PM
by TeamRX8

116

42,244

ghetto 4 rotor Renesis thread

MincVinyl on Jan 2, 2025

Jan 2, 2025 12:06 PM
by MincVinyl

1,322

Gearsofts SC Thread

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1 2 3 4)

gearsoft on Mar 13, 2020

Dec 28, 2024 10:21 PM
by gearsoft

22,045

variable length itb's?

s1ckksn0w on Nov 27, 2024

Nov 27, 2024 11:00 AM
by Brettus

1,100

The 450whp Renesis engine - why it will never happen - theory

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Brettus on Nov 21, 2018

Nov 3, 2024 04:25 PM
by Brettus

142

57,572

e-shaft driven centrifugal supercharger?

s1ckksn0w on Oct 26, 2024

Nov 3, 2024 05:18 AM
by MilosB

1,786

automatic, fd, gsl, manual, modify, mount, options, r15md, rx8, rx8club, se, stronger, tranny, transmission, turbo

Solution for transmission(turbo setups)

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dznutzuk on Nov 22, 2011

Oct 9, 2024 04:23 AM
by MilosB

76,465

Brettus 20B Renesis Hybrid thread

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1 2 3 4)

Brettus on Sep 3, 2020

Sep 13, 2024 08:57 PM
by TeamRX8

26,647

New ECU

purelyrx8 on Sep 8, 2024

Sep 12, 2024 02:25 PM
by Brettus

1,271

Rx8 Greddy turbo help

nlsolja123 on Oct 22, 2023

Sep 3, 2024 04:21 PM
by Brettus

2,201

Future turbo build but need info, Injectors

nlsolja123 on Sep 2, 2024

Sep 3, 2024 02:57 AM
by Brettus

1,048

ZEX Nitrous install

topolittle on Dec 30, 2021

Aug 12, 2024 04:35 PM
by motodenta

5,143

13b, 3636, adaptronic, ceramic, e420c, ems, gtx4294r, jets3t, live, mazda, pinion, piping, postic, project, quote, renesis, ring, turbo

2010 Turbo Build: a.k.a. "Project JETS3T 8"

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JETS3T8 on Nov 16, 2010

May 26, 2024 06:56 PM
by TeamRX8

618

132,557

TReX-8 by a total newb at building, but a specialist at breaking stuff!

Dodo23 on May 14, 2024

May 17, 2024 06:36 PM
by Brettus

1,715

Northzone's turbo project with Brett Mani

northzone on Nov 13, 2023

Apr 3, 2024 07:22 PM
by northzone

1,936

Brettus NA power project

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Brettus on Nov 10, 2019

Feb 19, 2024 10:54 AM
by Brettus

379

81,206

13b, 13brew, angle, cost, crank, mazda, port, rew, rx7, rx8, sensor, street, swap, turbo, twin, wiring

13B REW swap is finished

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Dethwalkin on Nov 23, 2008

Jan 23, 2024 10:43 AM
by cajunrx8

153

140,763

Evil's Brettus Build Thread

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EvilHoHo on Aug 2, 2022

Dec 22, 2023 12:24 PM
by Brettus

107

12,552

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