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Alternative Fuels

Discussion and Tech on using alternatives such as E85 or Hydrogen or other fuels and/or supplements to Gasoline in Rotary Engines

Zero Emission Pneumatic...

by Penguin_TRTL

Dec 8, 2025 10:10 AM

230

4,106

The place to discuss topics of water injection, alky/meth injection, mixing water/alky and all of the various systems and tuning methods for it. Aux Injection is a great way to have a reliable high power rotary.

Rust in bradied steel...

by mikejokich

Dec 30, 2025 05:42 PM

755

10,601

20B Forum

20b TPS sensor pin out needed

by Azhillman

Apr 15, 2026 01:20 PM

2,953

44,281

Naturally Aspirated Performance Forum

Discussion of naturally-aspirated rotary performance. No Power Adders, only pure rotary power! From the "12A" to the "RENESIS" and beyond.

Help with 160 hp...

by t_g_farrell

Feb 21, 2026 08:09 AM

867

16,051

Other Engine Conversions - non V-8

Discussion of non-rotary engines, exc V-8's, in a car originally powered by a Rotary Engine.

Twin GT3076r Honda J35 V6...

by AHarada

May 2, 2026 11:23 PM

974

18,387

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12a, brian, brooks, colorado, dowling, dp, drag, dragtimes, gt66, harsh, lotus, mile, rx7club, times, weisblatt

Sticky

New Drag Times Thread

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1 2 3 4 5 ... Last Page)

Greg on Feb 25, 2002

May 13, 2013 01:37 AM
by OBDAutoTool

268

84,803

Normal Threads

15w40, ar7411101, army, coleman, engine, farrar, george, howard, inject, makowiec, mark, military, pegasus, shadow, uav

$800,000 Rotary could be watching YOU

(

1 2)

Howard Coleman on Jul 31, 2010

Sep 11, 2010 02:34 PM
by -Crash-

18,569

dog, gear, gearset, giken, kits, os, quafie, quaife, rx7, set, speed

Quaife 6speed gearset?

R-R-Rx7 on Aug 27, 2010

Aug 27, 2010 05:12 AM
by R-R-Rx7

1,540

cabin, car, exhaust, glasspack, make, making, muffler, nashville, performance, pipes, quiet, quieter, rx7, small, ticket

Best way to make my exhaust quieter (pics)

N3v on Aug 12, 2010

Aug 19, 2010 04:05 PM
by j9fd3s

39,171

apex, cermet, coated, compatible, engine, florida, geuteng, haltech, housings, jhb, repair, seals, technology, work, works

What's the latest opinions on cermet?

duval7 on May 9, 2010

Aug 18, 2010 06:07 PM
by lonetlan

5,224

13b, chips, chrome, crome, housing, housings, measurements, metals, oil, plated, plating, retention, rotor, rx7, rx7club, wankel

rotor housing "chrome"

R_PROWESS on Aug 8, 2010

Aug 18, 2010 10:07 AM
by T-R-C

7,700

boost, charcher, gauges, ripp, size, super

Super charger

Silver Tuxedo on Jul 22, 2010

Aug 17, 2010 11:29 AM
by T-R-C

3,130

cleveland, coolant, engine, failing, fixed, kseal, leak, ohio, rear, repair, rotary, rx7club, seal, solvtec, stronger, wha

Coolant seal repair

peejay on Jun 13, 2010

Aug 4, 2010 10:07 PM
by durtled

8,315

18a, 20b, aluminum, block, build, center, eshaft, kit, plate, rotary, rotor, rotorss, rx7club, sale, short, zealand

18a ?? anyone know anything about this?

phantommaggot on Jun 1, 2010

Aug 1, 2010 04:08 AM
by Furb

14,184

13b, application, autozone, blue, bosch, coil, coils, hec715, oem, rotary

Looking for bosch coils

RotorsRulePistonsDrool on Jul 9, 2010

Jul 24, 2010 07:29 PM
by Carlos Iglesias

1,599

Remember when...

BUMBLEBEE7 on Jun 27, 2010

Jul 16, 2010 02:20 PM
by Trots*88TII-AE*

1,384

needing some help

R.O.D on Jul 13, 2010

Jul 15, 2010 01:55 AM
by R.O.D

804

13b, 20b, 350, adapter, bellhousing, custom, engine, fit, jacks, making, mazda, rew, rotary, rx4, t56, transmission

T56 adapter bellhousing

Tessai76086 on Jun 25, 2010

Jul 4, 2010 11:58 AM
by Tessai76086

14,384

12a, 12amazda, 4x4, 4x4safarirotaryclubconz, 4x4ua, account, lifted, mazda, pick, pickup, rotary, truck, type

12a mazda 4x4 pickup?

Jeppy on Jun 30, 2010

Jul 2, 2010 01:14 PM
by RX200013B

1,697

exhaust, port, ports, rotary, round, square, templates

critique my square exhaust ports

R_PROWESS on May 21, 2010

Jun 20, 2010 07:37 AM
by R_PROWESS

3,612

Choosing a Turbo Help

saucey1986 on Jun 12, 2010

Jun 12, 2010 11:24 PM
by saucey1986

753

13, 13b, 93, aftermarket, cosmo, engine, intake, jc, market, motor, parts, performance, rx7, rx7club, washington

jc cosmo 13b engine after market parts?

RotorsRulePistonsDrool on Jun 7, 2010

Jun 10, 2010 10:11 AM
by RotorsRulePistonsDrool

2,639

nitrous on a tII

Templeton on Jun 6, 2010

Jun 9, 2010 11:04 PM
by Templeton

1,030

help with my rebuild?

rotaryking88 on Jun 8, 2010

Jun 8, 2010 07:20 PM
by rotaryking88

953

12a, 725ex, hot, hotspark, hotter, plug, problem, problems, rabbet, rx7, spark, tiebolt

Addressing the hot spark plug problem

BDC on May 23, 2010

Jun 3, 2010 05:35 AM
by Gurew

4,803

12a, balance, balancing, beat, bridge, clearance, clearence, full, lightened, port, race, racing, rotors, shaft, side

Balance rotors & clearence Y/N?

GoRacer on May 27, 2010

May 27, 2010 09:07 PM
by GoRacer

1,768

bmi, body, calculation, formula, index, mass, mybb, powered, racing, rotary, vbulletin

BMI Racing would like your support for the next round of Formula Drift

Sarah_b on May 25, 2010

May 25, 2010 12:17 AM
by Sarah_b

919

Who polishes aluminum intake pieces?

rpm on Apr 2, 2010

May 14, 2010 11:51 AM
by Trout2

1,273

1992, drain, draining, fd3s, fuel, gas, leak, leaking, mazda, petrol, plug, repair, repairing, rx7, tank

Help..Fuel tank leaking from drain plug

fastrx7man on May 4, 2010

May 4, 2010 08:35 AM
by fastrx7man

2,066

Timing help

Bearzah on Apr 20, 2010

Apr 20, 2010 09:48 AM
by Bearzah

593

5th, 5th6th, 6th, benefits, blocking, install, mpg, port, ports, remove, removing, rotary, rx7club, s4, sleeve, sleeves

5th and 6th port sleeves

OK13B on Apr 11, 2010

Apr 16, 2010 03:42 AM
by nillahcaz

6,580

1990, constantly, cooler, fan, kit, lines, oil, running, rx7, stock

Oil Cooler Fans

Kurgan on Sep 19, 2002

Apr 15, 2010 01:14 PM
by j9fd3s

1,809

12a, 8psi, boost, china, past, rx7, skracingcarb47mm, turbo, wont

12A Blowthrew Turbo

xdoomcannonx on Mar 27, 2010

Apr 13, 2010 07:49 AM
by xdoomcannonx

1,710

13b, cooler, lines, mount, mounting, mouny, oil, rotary, rx7club, vent

V mounted oil cooler

R_PROWESS on Apr 7, 2010

Apr 9, 2010 08:32 AM
by Black91n/a

4,899

13b, bridge, casting, cosmo, housing, iron, pic, pics, port, porting, ports, rotary, rotor, sand, tuning

Recent porting pictures 56k death

R.P.M. on Oct 20, 2008

Apr 8, 2010 12:43 PM
by diabolical1

6,228

13b, charge, charged, charging, compound, compund, lotus, m90, rotary

Looking For Donor 13B for Compound Charge

mannykiller on Mar 31, 2010

Mar 31, 2010 05:05 PM
by mannykiller

1,012

Pressure transducer location Q

CrackHeadMel on Mar 27, 2010

Mar 29, 2010 09:04 PM
by Barry Bordes

1,226

atlanta, engine, ga, instructions, overhaul, overhauling, pump, pumps, r6, rebuilds, rebuilt, remove, water, waterpump, yamaha

Water Pump Overhaul/Rebuild

Lucrum on Mar 24, 2010

Mar 29, 2010 11:38 AM
by j9fd3s

3,443

Electric fan

FC beast on Mar 20, 2010

Mar 28, 2010 01:59 AM
by xdoomcannonx

1,042

13b, k27, killeen, kkk, lag, port, rip, sizing, specs, turbo, turbocharger, tx

KKK Turbo Question

Kim on Jul 11, 2007

Mar 23, 2010 07:55 PM
by jdmfc3s90

5,308

13b, belt, cell, driven, fuel, manual, mechanical, mount, pump, pumps, racing, rear, running, rx7, turbo

mechanical fuel pump

1nastyturboII on Mar 8, 2009

Mar 21, 2010 03:08 PM
by 13B-RX3

6,055

Poor mans 4 rotor idea

g14novak on Mar 18, 2010

Mar 19, 2010 08:40 AM
by NewbernD

1,695

assembly, assemboly, balance, balanced, balancing, bobweight, calculate, calculating, dynamic, engine, machine, rotary, rotating, rotor, rx7club

balancing rotating assembly

hIGGI on Mar 9, 2010

Mar 16, 2010 03:27 PM
by hIGGI

8,511

91, garett, garret, garrett, garrret, gt6041, pics, price, rx7, set, setups, turbo, turbochargers, twin, work

Garrett Gt6041 and twin turbo setup

Veilside RX7 are awesome on Mar 4, 2010

Mar 9, 2010 03:42 PM
by Efini.7

5,082

FD Megan Radiator

GMO-RX7 on Mar 8, 2010

Mar 8, 2010 09:31 PM
by GMO-RX7

745

What upgrades to get ~330rwhp safely?

chaknchngo on May 29, 2007

Mar 4, 2010 01:41 PM
by diabolical1

1,720

rotor strengh

ronbros3 on Feb 24, 2010

Mar 3, 2010 11:21 PM
by Zero R

1,819

13b, 13bmsp, 9000, dsm, ems, horsepower, long, msp, pnp, port, porting, problems, redline, renesis, rev, rotor, rx8

How does the Renesis spit out 238hp

(

1 2)

UnderConstruction7 on Aug 24, 2004

Mar 2, 2010 01:49 PM
by RTRx7

44,488

20b, 3mm, cut, cutaway, cutting, engine, machine, mazda, rotor, rotors, rx8, seal, seals, stronger, view

RX8 rotor & cut away for 3mm full height seals

Glassman on Feb 21, 2010

Feb 26, 2010 08:38 PM
by afterburner16

6,047

Renesis engine question

Starfox07 on Feb 13, 2010

Feb 26, 2010 07:40 PM
by Starfox07

5,457

13b, 200whp, build, fc, fc3s, horsepower, hp, hpforuma, limit, max, maximum, na, performance, power, rotary

na fc max power

dkaszak88 on Feb 23, 2010

Feb 24, 2010 11:23 AM
by reddozen

5,698

Mazda engine updates

Trots*88TII-AE* on Jan 28, 2010

Feb 17, 2010 05:16 PM
by vmarx7@yahoo.com

1,364

Did Mazda do this on purpose

Chuck Norris FB on Feb 13, 2010

Feb 14, 2010 11:06 AM
by peejay

1,358

13b, 13btt, 89, 94, engine, fd, jdm, rx7, staright, swap, tt

what do i need to do to swap a jap 13bTT into a 94 rx7

Powered_By_Rx7 on Jan 3, 2002

Feb 11, 2010 06:14 AM
by peejay

1,799

12a, area, data, durationcalculate, intake, mazda, motor, overlap, port, reversion, rx7, rx8, series, stock, timing, timming

made a chart of each stock engine's port duration/overlap

arghx on Jan 30, 2010

Feb 9, 2010 07:39 PM
by arghx

15,319

12a, 13b, 18a, 3rotor, ae86, lt16s, mazda, microtech, pp, pp12a, rotary, rotor, rx7, shaft, specs, triple, turbo

MUST SEE!! 18a PP (12a spec triple rotor)

FC3SKILLA7 on Feb 1, 2010

Feb 7, 2010 12:58 PM
by 12AllWays

11,372

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