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I found these on e-Bay and ordered a pack to see if they'll work. http://www.ebay.com/itm/3-8-16-Coarse-Thread-Flexloc-Nut-Light-Hex-Full-20FAF-616-Plain-Finish-Pk-10-/231591057279?pt=LH_DefaultDomain_0&hash=item35ebe7177f

Does anyone know of a place that sells these types of hex collar nuts? 3/8-16 They were sold as part on an electric cut-out kit, but I've lost a couple over the years. Since the studs are recessed in the cut-out, they must have threaded sleeves.

It tests the fuel density and from there it estimates the percentage of alcohol. There were a couple of years where they were trying to derive this from the O2 readings, but I guess this didn't work well enough.

Yes, my 2012 does this and it's confirmed in the literature. As it burns slower than gas, they advance the timing. This ends up increasing the torque.

GN Andy - any details beyond my original post, please feel free to ask.

bump

This is an unsanctioned event and is just for fun! In other words, no prizes, trophies, etc. We have not asked for a block of rooms at any hotel. We are expecting at least some cars from outside of our area and the weather should be rather pleasant! Friday, April 25, 4 PM - 9 PM, several Buick...

OK, I'm feeling rather dense. I connected the gray Gen-2 wire to the PowerLogger I4 and set the config parameter to correction factor. Most of the time, I just see -25.0%; I assume this is because there's some thresholds to hit before AFR tracking begins? Even so, the "highest" I ever see...

Thanks guys!

I FINALLY got everything straightened out. Hopefully, my mistakes will help someone else in the future. When using a MAF Translator Gen-II with an LM-1 wideband, you can use both outputs of the LM-1 with one feeding the Gen-2 and the other as a substitute for the narrowband O2 sensor. On the...

It's strange how the ECM commands the counts, yet they don't change. If you watch the flags for the transmission, do you see them change when you go from drive to park?

The whole purpose of the IAC is to allow air into the intake to control idle speed. So, if you adjust the throttle blade to be a little more opened, there would be less IAC counts.

Assuming that I have no narrowband O2 sensor, what is the correct wiring to do the AFR tracking with an Innovative LM-1 as my wideband? LM-1 (NB out) Gen-2 ECM Red Orange Shield Purple Black...

I had my v-out 1 and v-out 2 backwards (as you can see in my original post). Now that I've interchanged them, things are working fine!

Thanks for the info everyone. I had packed away my CD and IDK that was available online like that.

A friend of mine transplanted an 87 engine with FAST into his classic Skylark. On the back of the A/C compressor is a round connector (roughly 12mm) that no one seems to know its purpose. Mine seems to have two black wires coming out of it. What is this thing and does anyone have the A/C wiring...

Yes, 10-pin. I snipped the IAT wire last evening BEFORE I put the volt meter on the Gen-2 connector. So, my brown wire is going straight to the tan wire into the ECM.

OK. I'm using the correct wire, but something must be wrong with my Gen-2. How/where do I send it in for servicing?

Yes, assuming you do the other sensors too. I can probably donate my Direct Scan to your cause if you like. You also need a laptop that can boot into DOS, like Windows 98.

No. Right from his website: DirectScan is the premier scan tool for 1986-1987 Buick Turbo Regals. Engineered specifically for these vehicles and others utilizing the '86-'87 Turbo Regal ECM and drive train