Threads Tagged with secondary

General Rotary Tech Support

centerline, design, engine, equation, exhaust, figuring, forced, induction, intake, legth, length, megasquirt, runner, secondary, tuning, turbo

Here's how to figure out intake runner length

(

1 2 3 4 5)

rotarygod on Jun 25, 2003

Jul 7, 2025 09:37 AM
by gracer7-rx7

118

80,706

90, body, check, club, diaphragm, diaphram, disabling, double, doulble, mazda, miata, rx7, secondary, throttle, valve

Double throttle diaphragm

(

1 2)

johnnyg on Aug 22, 2005

Jan 23, 2025 09:50 PM
by gsmithrx7

30

7,771

adjust, adjusting, adjustment, engine, idle, mazda, nikki, rx7, screw, secondary, set, small, stop, tas, throttle, valkyrie

Since no one seems to realize why the throttle stop screw is important...

Valkyrie on Feb 27, 2007

Jul 8, 2024 12:25 AM
by professionalpyroman

21

5,874

b18c1, bogs, butterflies, dont, fd3s, open, plate, plates, removing, secondaries, secondary, smaller, stock, tb, throttle, throttlebody

How-to: Throttle body modification to fix secondary butterflies

(

1 2 3)

clayne on Jan 21, 2004

Jun 11, 2021 08:15 AM
by DaleClark

53

19,622

fuel, na, rail, rails, rx7, secondary, sensor

Temp sensor in secondary fuel rail. necessary?

(

1 2)

oorx7 on Jun 1, 2006

Sep 19, 2020 10:06 AM
by adey

34

13,013

butterflies, fc, fc3s, fd, intake, kit, ls1, manifold, port, rx7, secondary, swap, turbo, twin, upper

Jap Spec Series 5 FC3S - Twin turbo rew conversion!

(

1 2 3 4 5 ... Last Page)

squeakm on Nov 5, 2013

May 19, 2020 07:43 AM
by squeakm

182

52,350

Build Threads

12a, 600cfm, 750, bridgeport, carb, dead, engine, holley, holly, idel, idle, pic, screw, secondary, setting, spot, wot

holley 12a

81gsl12a on Apr 11, 2006

Dec 29, 2018 06:33 PM
by JOE68

22

18,466

Rotary Car Performance

12a, 1993, 82, air, bypass, control, exh, fd3s, injection, overheat, removing, rx7, secondary, solenoid, split, system

Power FC

Exhaust Oxygen Offset with Secondary Air runniing

ttmott on Jan 16, 2010

Oct 18, 2017 12:04 PM
by NeoTuri

17

5,096

12a, boost, bridge, carb, clutch, half, intake, jb, make, porting, prep, primary, runners, secondary, st, weld

half bridge 12A, with a twist

(

1 2 3 4 5 ... Last Page)

Jeff20B on Feb 18, 2011

Sep 18, 2017 09:15 AM
by racerx01

237

48,996

86, fd, firing, injectors, injoctora, primary, prime, receiving, removing, rx7, s4, secondairy, secondary, signals, start

Primary and secondary injectors not firing.

(

1 2 3)

Robftw on Oct 16, 2011

Jul 19, 2017 06:29 PM
by thedude757

58

23,685

New Member RX-7 Technical

1987, change, changing, faq, fc, fuel, injector, injectors, injetor, remove, removing, replace, replacing, rx7, secondary, writeup

changing Fuel Injectors 87 Rx7

RacingjokersFC on Jan 14, 2011

Apr 13, 2016 06:09 PM
by Evil Aviator

9

26,264

1993, actuators, boosting, control, fd, gate, hoses, isnt, location, rx7, rxy, secondary, turbo, waste, wastegate

wastegate and turbo pre-control actuators on FD

jim-san on Nov 29, 2010

Dec 27, 2015 03:15 PM
by newtgomez

14

11,112

New Member RX-7 Technical

12a, 34, acc, accelerator, adjustment, diaphragm, linkage, mech, mod, mods, nikki, pict, pump, rx7, rx7club, s4, secondary, vacuum

Write-Up on Mech seconds + Accelerator Pump Mod

(

1 2)

Sterling on Dec 6, 2001

Aug 24, 2015 01:00 PM
by Jeff20B

40

19,319

backwards, diagram, fc, flow, fuel, gen, injectors, jdm, primary, rail, regulator, rx7, rx7club, s5, secondary, tii

JDM S5 Tii - the fuel flows backwards?

vrracing on Jun 13, 2008

Oct 19, 2014 03:00 PM
by FührerTüner

10

8,806

12a, 600, beat, holley, hook, intake, lines, racing, rotary, secondary, vacuum

MAGNUM GT with 13B NA - did I blow the engine?

(

1 2)

rade95 on Jun 18, 2014

Jul 1, 2014 04:21 PM
by rade95

31

5,089

86, 88, body, bop, double, linkage, replement, restoring, rx7, secondary, thermowax, throttle, thrttle, turbo, vacuum

Restoring Your Throttle Body: A Step by Step Guide of What it Takes.

(

1 2)

Spirit-RE on Dec 5, 2011

May 27, 2014 06:38 PM
by visatrade

35

45,786

builders, butterfly, carb, fd3s, fixed, holley, mech, removing, rx7, rx7club, seconadry, secondaries, secondary, surge, swap, throttle

Secondary Throttles?

Grizzly on Sep 2, 2012

May 18, 2014 12:06 PM
by camajo

21

14,744

1988, cold, ems, factory, fire, firing, harness, injecters, injector, injectors, paring, plugs, rx7, secondary, wiring

Question about secondary injector issue

cluosborne on Oct 9, 2010

May 7, 2014 10:27 PM
by Tyler3

20

12,220

1600cc, 93, boost, bridge, engine, injectors, lt8, mazda, microtech, port, rx7, secondary, size, sputters, works

Sticky Microtech

How injector staging works

(

1 2)

rxeng on May 1, 2003

Mar 24, 2014 07:24 PM
by DeMoe Aurelius

38

49,398

Microtech

Rtek

AFR Tuning methods

(

1 2 3 4 5 ... Last Page)

Nick_d_TII on Mar 20, 2009

Nov 30, 2013 11:32 AM
by shadowboym

421

74,279

Rtek Forum

blew, circuit, drive, driver, fried, injector, injectors, makes, mazda, open, power, rx7, secondary

Power FC

Secondary injector driver circuit

Brodie121 on May 15, 2012

Sep 29, 2013 05:11 PM
by Brodie121

5

2,117

01, extreme, fc, frontier, fuel, injector, injectors, install, kit, rings, rx7, rx7store, secondary, sustem, system

Got Rx7store Extreme Fuel System need help

Hossler on May 25, 2011

Aug 15, 2013 01:34 PM
by Initial_fd3s

10

4,860

1st, actuator, boost, charge, conrol, control, diagram, fd, generation, is300, mazda, relief, rx7, secondary, solenoid, test, turbo, vaccumm, vacuum, valve

Interaction of Charge Relief and Charge Control Valves

wstrohm on Jan 12, 2009

Aug 12, 2013 12:21 PM
by wstrohm

23

29,830

banjo, bolt, calgary, crush, fd3s, fuel, leak, n23613483, n3a113s70a, overflow, rail, rx7, secondary, series, size, washer, washers

fuel rail leak

taylor7787 on May 3, 2009

Aug 3, 2013 11:54 AM
by joelkarlonas

7

4,745

Megasquirt

Using Megasquirt for Fuel only - FC

lucky87T2 on Jul 25, 2013

Jul 29, 2013 11:46 PM
by lucky87T2

7

2,681

Megasquirt Forum

1990, 1990rx7, 90, air, brake, build, built, gauge, job, journal, member, oil, pipe, pressure, rx7, secondary, straight, welded

Luke's 1990 Rx7 Build

(

1 2 3 4)

Lucas FC on Oct 6, 2012

Jul 17, 2013 06:06 PM
by alsxe10

84

15,794

Canadian Forum

injectirs, injector, injectors, lim, pfc, plugs, run, secondary, settings, wiring, xcessive

Power FC

Running 4 secondary injectors with xcessive LIM

Rusty 13B on Jul 6, 2013

Jul 7, 2013 09:56 AM
by cewrx7r1

3

2,736

Full Function Engineering

13b, 60mm, engineering, ffe, fuel, full, function, injectors, kg, primary, rail, rails, rx7, secondary, stock

Fuel rails

afawaterpolo on Apr 20, 2013

Jul 4, 2013 04:21 PM
by FullFunctionEng

5

4,181

block, bored, club, fd, injectors, iron, lim, middle, primary, rail, rx7, rx7club, secondary, xcessive

Primary and secondary injectors in same rail?

0110-M-P on Jun 20, 2013

Jun 29, 2013 11:33 AM
by scotty305

10

8,693

Naturally Aspirated Performance Forum

13b, bearing, benefit, bridge, goopys, housing, intake, match, modification, oversize, port, porting, ports, primary, rotor, runner, secondary

here we go again: To bridge primaries or not!

(

1 2 3)

peejay on Jun 29, 2012

Jun 3, 2013 10:26 PM
by TougeMonster

54

10,431

boost, car, extra, fd3s, fuel, highest, injector, injectors, issues, power, psi, replacement, secondary, stock, stocks

FD3S Stock INjectors Highest Boost ...

Passion4thegame on Apr 18, 2009

May 16, 2013 02:02 AM
by jonzie04

14

13,220

Time Slips and Dyno

aeromotive, damper, fpr, fuel, layout, picture, pulsation, rail, rx76anhardlineadaptor, s4, secondary, size, system, t2, thread, typical

AN fitings for my FC

sideways-FC on May 7, 2013

May 9, 2013 12:44 AM
by misterstyx69

8

3,450

93, boost, boosting, lines, psi, rx7, rx7club, secondary, turbo, twin

Not getting boost from secondary turbo

kanundra on Mar 24, 2013

Apr 26, 2013 01:28 PM
by kanundra

11

2,739

93, b2200, fuel, ground, injector, mazda, pulse, reroute, rx7, secondary

no injector pulse

iani1.1 on Apr 8, 2013

Apr 13, 2013 02:36 PM
by iani1.1

5

5,783

855, actuator, boost, control, koko, low, movement, neutral, pattern, rx7, rx7club, secondary, tca, test, turbo

Low Secondary Boost

(

1 2)

seven1997 on Aug 7, 2011

Apr 10, 2013 12:42 PM
by LoneStarS30Z

26

4,525

General Rotary Tech Support

1000, 1000s, 4id, 4id1000, aem, aempro, coil, id, injector, phasing, rx7, secondary, series, set, setup, version

AEM

Couple of AEM Series 1 Questions...

Neutron on Dec 21, 2012

Apr 3, 2013 12:35 PM
by Epic Rotary

8

3,748

AEM EMS

air, belt, injection, pump, rx7, secondary, taking

Secondary air injection

turbos4? on Jan 28, 2013

Jan 29, 2013 09:10 PM
by turbos4?

4

1,104

2001, cooler, cooling, hook, isuzu, lines, located, oil, pressure, r1, removing, rodeo, rx7club, secondary, transmission

Need advice on the Removal of the secondary oil cooler lines

Ninja636 on Dec 26, 2012

Jan 4, 2013 11:42 PM
by XLR8

11

3,986

aem, city, clamp, control, culver, fc, fc3s, fic, injectors, maf, mazda, primary, rx7, secondary, turbo

AEM

Aem FIC

cheesebox on Jul 2, 2008

Jan 3, 2013 03:07 PM
by EB Turbo

23

6,990

AEM EMS

105, 13b, 86, afrs, firing, fuel, injectors, na, ny, problem, red, rich, rotary, rx7, secondary, yonkers

Fuel problem troubleshooting

zeal on Nov 13, 2010

Dec 31, 2012 03:56 PM
by S4 Vert

18

1,944

12a, 1985, 85, carb, carburetor, linkage, location, mechanical, mod, nikki, rx7, secondaries, secondary, sterling, vacuum, working

Secondary Function ?'s, 1985 Nikki

2stroke1971 on Dec 13, 2012

Dec 25, 2012 12:03 PM
by RGHTBrainDesign

15

3,808

General Rotary Tech Support

1600cc, build, called, gunk, intake, plugs, runners, secondary, spark, thick, volkswagen

Secondary intake runners gunk buildup issue

joeylyrech on Nov 8, 2012

Nov 8, 2012 06:35 AM
by joeylyrech

0

995

1986 2nd gen won't run at wot

(

1 2)

oldskooljoe on Jul 24, 2012

Oct 7, 2012 10:19 PM
by oldskooljoe

27

1,839

New Member RX-7 Technical

2000cc, 340, 850cc, aeromotive, cycle, denso, duty, fd, gt35r, idle, injector, injectors, primary, rx7, rx7club, secondary, size, sm1nts2escapeyahoocom, supra

Gt35r Injector size?

Sm1nts2escape on Sep 11, 2012

Sep 12, 2012 03:24 PM
by G's 3rd Gen

20

6,007

Single Turbo RX-7's

1988, 88, fc, fc3s, fuel, injector, install, location, mazda, primary, removal, remove, rx7, secondaries, secondary

fuel injector removal/ install?

erknee916 on Apr 16, 2011

Sep 10, 2012 06:08 PM
by ernz

14

22,156

20b, 85, australia, bar, custom, diagram, fd3, fuel, intake, mounts, na, pump, radiator, rails, rx7, secondary, spray

RX7 20B Build Thread - Australia

Pindrop on Jul 27, 2012

Aug 25, 2012 10:24 PM
by ARR Ethan

7

6,161

Build Threads

13b, 2jz, comparisons, compressor, engine, flow, hitachi, ht12, intake, manifold, map, operation, porting, reliable, rew, rotary, secondary, turbo, unreliable

Comparison of Rx-7 13B-REW and Supra 2JZ-GTE sequential turbos

(

1 2)

arghx on Jul 4, 2011

Aug 15, 2012 10:04 PM
by arghx

33

83,810

13b, batch, circuit, driver, drivers, fc, firing, injection, injector, injectors, issues, pfc, power, secondary, short, showing

Power FC

Injector Driver Damaged

7dust on Jul 31, 2012

Aug 15, 2012 09:28 AM
by 7dust

9

2,886

1991, activate, check, injector, injectors, injoctora, makes, mazda, opening, receiving, rx7, rx7club, secondary, secondry, signals

rear secondary injector trouble

Trueno102 on Jul 18, 2012

Jul 19, 2012 07:08 PM
by RotaryEvolution

2

1,056