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02D01720-1500 14 Mar 2007 - 05:11 - r1.5 Home.defensio
To convert a "1720" board from non-vtec to vtec add the following parts: Required: Q26: C2785 ( note: I used a C144 and it worked fine NPN switching transistor) C60 ...  
82C55 01 Aug 2005 - 14:37 - r1.3 Home.blundar
The 82C55 is an IO controller chip used in many OBD1 ECUs. Fortunately, almost all OBD1CivicIntegraECUs share a common pattern for what is controlled by the 82C55 ...  
AirFuelRatio 12 Jul 2004 - 15:45 - r1.2 Home.blundar
The ratio of the mass of air taken in my an engine to the mass of fuel. 14.7:1 is chemically ideal in order to get the greatest efficiency from every gallon of fuel ...  
AutoToManual 09 Jan 2007 - 08:17 - r1.4 Home.defensio
Most automatic ECUs can be converted to a 5spd rather easily. Going the other way often involves adding more components. At this time, it appears that the conversion ...  
BasicConcepts 19 Jan 2006 - 07:34 - r1.3 Home.markolson
Vocab: ECU Engine Control Unit OBD0 the first unofficial generation of honda engine electronics OBD1 the second unofficial generation of honda engine electronics ...  
CompressionRatio 19 Feb 2004 - 22:01 - NEW TWiki Guest
Compression ratio refers to how much the air-fuel mixture is compressed during the compression stroke. There are many ways to measure compression StaticCompression ...  
DocECUSchool 05 Mar 2004 - 17:40 - NEW Home.blundar
From post: Doc Teaches ECU School A while ago, Doc and I had a conversation on IM that turned into a very informative post. It is now archived here for your reading ...  
EcuDefinitionCodes 02 Apr 2007 - 17:06 - r1.84 Home.hackish
Honda ECU definition codes These id codes are the last 3 digits printed directly on the MCU after the model number (e.g. M66207-251 the "251" portion will be a much ...  
EcuSensors 14 Apr 2006 - 13:08 - r1.4 Home.edurmus
Sensors present on almost all honda motors: CrankshaftPositionSensor Determines timing for fuel injection and ignition of each cylinder and also detects engine speed ...  
EcuTuning 19 Feb 2005 - 21:45 - r1.2 Home.markolson
. Author: blundar Date: 08-12-03 14:12 EGT (or ExhaustGasTempSensor) and WideBandO2 used in combination with DataLogging can be a really powerful tool. Timing changes ...  
ExhaustGasTempSensor 19 Feb 2004 - 22:01 - NEW TWiki Guest
Exhaust Gas Temperature sensor, often ''EGT'' An outboard meter and sensor that is installed into the exhaust system close to the head that measures exhaust gas temperature ...  
Intel8051 23 Jul 2004 - 04:44 - r1.4 Home.blundar
for all you could want to know and a great tutorial, go to http://www.8052.com Any 8051 assembler will work fine for coding. Sysrad51, available http://www.systronix ...  
IntroductionToECUChipping 12 May 2006 - 09:00 - r1.10 Home.hondainfo
Introduction to ECU Chipping by David Blundell Please feel free to link to this article, but "mirroring" is highly discouraged, as you will not automatically receive ...  
Latch 05 Mar 2004 - 17:42 - NEW Home.blundar
to latch something is to hold or preserve its state latches, like the 74HC373 are logic gates that hold the state of IO lines.  
MCU 30 Jul 2004 - 19:19 - NEW Lego Z81
MCU microcontroller A small CPU sometimes with RAM , ROM , EPROM , EEPROM , FLASH , or IO facilities onboard. Documentation on MCU's inside Honda ECU 's is http:/ ...  
MassAirFlow 26 May 2004 - 17:42 - NEW Home.blundar
A Mass Air Flow engine managment system uses a mass-air-flow sensor (MafSensor) which is placed in the intake tract to directly measure the mass of air entering the ...  
NokiaCableDatalogging 15 Nov 2005 - 22:34 - r1.3 Home.nate
Jim Truett says: (original http://forum.pgmfi.org/viewtopic.php?t 1663) I have found a very good adapter to link the TTL output from an ECU to a Laptop or PC with ...  
OBD0ECUAUTOTOMANUALWITHOUTREMOVEANYHARDWARE 09 Jan 2007 - 17:51 - r1.2 Home.defensio
I have tested it in my CRX SI 91 with CIVIC SI 90 Auto ECU(pm6) and it work perfectly. This is why its not necessary to remove anything in the Auto Ecu to Run with ...  
OBD0InterChipCommunication 17 Feb 2004 - 09:44 - NEW Home.tungsten2k
There are several chips connected to the Oki83C154 or Oki80C154 MCU : NEC UPD7004C ADC 5128XRAM external SRAM Oki6260A IO controller 38256 EPROM (32k) in some cases ...  
OBD0MPFI 30 Jan 2006 - 07:24 - r1.5 Home.carotman
There is a very distinct family of ECUs found in 88-91ish OBD0 hondas. The main characteristics of this family: Oki80C154 or Oki83C154 MCUs that are essentially Intel8051 ...  
OBD1CivTegRoutines 19 Feb 2004 - 22:01 - NEW TWiki Guest
Some routines have already been commented for your viewing pleasure. P30 (203) DocECUSchool Doc explains some of how IO is performed looking at the JDM P30 203 ROM ...  
OBD1CivicIntegraECUs 21 Feb 2006 - 08:00 - NEW Home.dj_spark
Almost all OBD1 ECU s used in 92-95 Civics and integras (but NOT preludes, accords, legends, etc.) are more or less electrically compatible. With minor tweaks, all ...  
Oki6260A 02 Mar 2005 - 13:31 - r1.5 Home.l3st4rd
The Oki 6260A was manufactured for Honda by Oki. J. Wong has this to say: "I was just cleaning out my cube and just happened to run across a piece of paper with 6260A ...  
PP5 12 Mar 2005 - 01:08 - r1.6 Home.crex
PP5 : 90-93 (??) UK Rover 216 Cabrio Rover (UK) had an agreement with honda where honda engines (ZC, most notably) ended up in Rover cars. They continued to use OBD0 ...  
PgsrcTranslation 19 Feb 2004 - 22:01 - NEW TWiki Guest
Note: This page is much more impressive on the PhpWikiAlpha:en/PgsrcTranslation alpha server where the page names actually link. Translated Page Name Matrix ''Plugin ...  
PreIgnition 03 Mar 2005 - 21:43 - NEW Home.blundar
Pre Ignition is a bad thing. It is also frequently referred to as "knocking" because of the sound it makes at low intensities. It is also frequently called "detonation ...  
RatShack 19 Feb 2004 - 22:01 - NEW TWiki Guest
Radio Shack is no longer a good place to go for electronics parts unless you are hurting or your local radio shack is something very special. Try a different ElectronicPartSupplier ...  
SecondGenUsbToSerialConverter 13 Feb 2005 - 07:53 - r1.6 Home.markolson
A company named http://www.elexol.com Elexol makes a second generation serial-to-USB port adapter called the http://info.hobbyengineering.com/specs/USBMOD3.pdf USBMOD3 ...  
TuningForSmog 19 Feb 2005 - 22:08 - NEW Home.markolson
How to tune to pass a smog test The situation: We are trying to get our 88CRX B16A swap past the CA smog ref, so tuning for smog is exactly what we are trying to ...  
TuningTiming 10 Apr 2006 - 12:01 - r1.2 Home.edurmus
Tuning ignition timing is not a simple topic. Lots of factors change optimal ignition timing chemistry stuff, mechanical stuff, etc. etc. A true understanding of ...  
TurboCompressorMap 19 Feb 2004 - 22:01 - NEW TWiki Guest
Some common turbo compressor maps are here: http://not2fast.wryday.com/turbo/maps/ Reading turbo compressor maps is pretty simple, and is something that anyone who ...  
UberDataFAQ 19 Feb 2004 - 22:01 - NEW TWiki Guest
Uberdata FAQ Stupid newbie tard Uberdata FAQ Author: Blake Warner Email: uberteg@cox.net, vertigo118@cox.net Notes: Remember to donate if you use and enjoy this software ...  
UnderstandingMaps 21 Nov 2005 - 19:26 - r1.2 Home.ben ogle
Understanding Fuel and Ignition Maps. Fuel Maps Below around 80 throttle, the ECU uses the oxygen sensor in conjunction with the fuel tables to calculate how much ...  
UsbToSerialConverterSecondGen 22 Nov 2004 - 23:01 - r1.2 Home.blundar
A company named http://www.elexol.com Elexol makes a second generation serial-to-USB port adapter called the http://www.ravar.net/download/USBMOD3.PDF USBMOD3 . Many ...  
VolumetricEfficiency 26 May 2004 - 18:07 - r1.2 Home.blundar
Volumetric Efficiency (VE) is a comparison of the real world volume of air/fuel mixture drawn in and the actual volume of the cylinder if it were completely filled ...  
WebHome 30 Mar 2007 - 22:03 - r1.26 Home.racingsky
Welcome to the PGMFI Library! If at any time you wish to return to this main wiki page, click the Project PGMFI logo. THIS IS A NEW WIKI ENGINE. PLEASE SEND EMAILS ...  
WideBandO2 17 Feb 2006 - 19:56 - r1.6 Home.kabuki
What is a Wideband O2 sensor It is an OxygenSensor that gives stable output over a much larger range than standard 1-wire or 4-wire oxygen sensors. It is helpful ...  
latches 19 Feb 2004 - 22:01 - NEW TWiki Guest
A logic gate that preserves the state of IO lines  

Number of topics: 38

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