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I am withdrawing this car. It is no longer for sale on this forum. Thanks for looking. Mark

Year: 1993 Exterior color/Interior Color Black/Black Number of Owners: 4 Transmission: 5 sp In Snap Ring Range? (if 5spd Manual): No ‘93s are in snap ring range VIN: JH4NA1154PT000514 Mileage: 234,141 Are you a dealer or private seller?: Private Seller Location...

I'll be there in the "Parade of Decades " or some such section. I'll bring along a few parts for Spencer to caretake for fellow Colorado NSX owners. We received an offer for our house yesterday that we are likely to accept. Now all we have to do is find a place to move to that is suitable for...

Signing up as we speak

A local electronics shop in Europe can make the (minor) modifications to any 91-94 ECU, your present one or one you buy. If you hate any changes you can easily plug in your original "chip" and do nothing else -- back to stock performance. If you really want to get into this (which I highly...

Is this the final output from my TableAnalysis Program? This is a result of a ~4 minute logging run with 5 pulls into VTEC. I've taken each individual pull to examine possible fuel map alteration, and recombined them into this final chart. It is broken down into each Load/RPM pair from 8500...

Today I finally got my laptop capable of running my full TablaAnalysis Application. This means I will start (as soon as the snow stops) going out and tuning my car as opposed to writing the application to do it. Here is an exemple of the results. These are two completely different runs made 2...

Here is a not so short article about street tuning the NA1 NSX. Contrary to popular opinion, it is more than possible to do this with the OEM ECU, and has been for about 10 years. Some intrepid individuals have partially cracked Honda’s ECU code and “published” the results here on NSXPrime...

Yes, definitely interested! I just got out of a 2-day stay in the hospital with some kidney issues, so this may not be very coherent. I've managed to reinvent the wheel with a table analysis of the existing function that is able to isolate individual pulls during a logging session. I've never...

My base bin file is John's, which has been adjusted for injector dead times. Those times are not identical to some of those posted elsewhere, although they are very close. Again, looking at the quite flat AFR curves I get from all the tables, there doesn't seem to be much here. It has to be...

Yes, everything is working well and consistently. I've made several pulls through 1st and 2nd gear up to redline and my analysis tool works great, but I cannot for the life of me get them to attach here. It is either too large (>100000) or I don't have permission to attach. Every time I...

The bin file is already in the Google Docs folder and I just added the adx and xdf to the TableAnalysis folder in Google Docs (url above). nsx_v1_0_alpha.xdf nsx_v1_0_alpha HT - Copy.adx These will give you the color coded dashboard that goes with the color coded TunerProRT graphs. The...

Big time --- well it turns out you don't change pulse widths very much to get significant AFR changes. You can read all about my tuning thought processes from the Google Docs page. Down load my app and in the instructions there are all the illustrated notes I made during about 6 alterations in...

I went out this morning to check logging, and my WBO2 sensor is still not working. I'll take it out to let it "air out" this afternoon and see what happens. The car still went into VTEC with no trouble and only the 5 - 2 CEL on a pull through 2nd gear. It was fine in 1st gear -- likely not...

Well, the damndest thing has happened. We took a road trip this past week to Gunnison, Durango, Chaco Canyon, Grants, NM and Albuquerque. Prior to leaving I was ~150 miles short of my third oil change to Mobil 1, so I changed it early. During the first part of the trip my VTEC started...

I'm sorry I'm going to miss the show this year. I have an event with my wife in Albuquerque on that weekend. Have a great time everyone

I remember doing this many years ago. I don't recall it being difficult. The problem was one motor brush was all screwed up and I "fixed it" by going to Ace Hardware and getting some replacement motor brushes and fitting them using some emery cloth. It still works just fine. Hope this might...

Test Harness pin equivalents to ECU pins With all the messing around I have done chasing my VTEC difficulties, I believe the following pdf could be of help to people now and in the future. What I do know about C 480 I believe to apply to Connectors 154 - 157, but use at your own risk.

Can't imagine that this is not long gone, but is it still available?????

Drove out 6th Avenue for a few miles with EGR turned off in the bin file; no change in lack of VTEC. Drove back with EGR turned back on and, of course, no changes. FWIW, Driving back at least 25% of the trip was in EGR at nearly perfect 14.7 AFR. Analysis shows that EGR never turned on...

I am going out right now to (find and) check the neutral switch, shut off EGR and see what happens. I'll report back RSN.

I'll definitely shut off EGR and see what happens in the next 24 hours and keep you posted. Thanks FWIW, I've noticed that xdl files exported from TunerPro as csv files start sometimes start out with the VTEC flag set to ON. This has occurred on Jeremiah's files, and I think on yours also...

Thanks for your reply. You are the guru of this thread. I have the stock injectors (not cleaned) and chip, and could certainly swap them in. Changes to my current ECU are simply the addition of the pins to accept the leads from the Demon 2. Fur sure, the ECU could have been damaged with all...

Those following this thread know that since I got my new SOS total engine rebuild I have not been able to enter VTEC. I’ve traced nearly every VTEC electrical circuit, disassembled and cleaned my spool valves, checked oil pressure and all the rest of the troubleshooting suggestions in the...

Uploaded my Application to Analyze TunerPro Logs I've just uploaded an application to MotorMouth93's Google Docs Page that quickly analyzes TunerPro logs. You can get it here: https://drive.google.com/drive/folders/1JIpy1YxEH27n2_a4UJa7LrPwDgSgEBFc?ths=true It is a file...