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I think its because the 7m block is basically a 6m block with some small changes, they probably just didn't get rid of the holes for the 7m but they were probably used for the 6m. Interesting idea about the spacer, but I wonder if that might cause problems from the gears meshing differently with...

Its normal, the oil pump mounts with only one of the three threaded holes there and the other two are unused.

How are you routing your lines from the engine to the adapter? I have mine set up similarly, and the lines run down between the fan and engine, but it is very close to both the fan and the power steering pump pulley, so I would like to move them. I want to keep the filter adapter in the same...

Lol, welch. And yes I did think it was Dextron for quite some time.

Sounds like this could be the problem, that front welsh plug is a bitch. The front plug is a special type of welsh plug which is close to the same diameter of the hole in the block. Once you put it in place you need to dimple the center of the plug which makes the outer diameter expand and make...

How did you install it? It needs to be put in place and the center peened in to expand the plug/

The NA distributor (from a pre-89, they changed the pickup style post 89) is plug and play for the 7mgte. The only issue is the housing is physically larger making it hard to fit and there is no way to cover it, unless you use the distributor cap which is huge. You can take the pickup coils out...

Good luck! I have even run my car with a distributor without the cap or rotor lol. It will slide right in and it is plug and play. It is a bigger housing so might not fit with the power steering res. and no way to cover it.

Yes it will work, I have done it, but the wire lengths are different so you have to make those fit. I cant remember if I had to extend any or not, but I think I just had to fold a couple over that were too long.

This should help. Here's the AFM pinout. Keep in mind this view is looking into the AFM itself. http://www.cygnusx1.net/Supra/Library/TSRM/MK3/manual.aspx?Section=FI&P=96 And here in the bottom left you can see each of the pins and their corresponding wire colors...

LOL I bet your heart dropped when that thing spun around. Going to need some bleach for those undies.

If you hook them up backwards you will know, they will inject air into the fuel rail. Just kidding, there is no specific polarity they will work normally with either polarity.

It should be at the exhaust side rear of the head bolted on with 2 or 3 bolts I think. See pic

I never use my windshield washers, so I used my washer reservoir for coolant, may or may not be something you want to do though.

Yep like JJ said its job is to maintain the same pressure difference between the fuel rail and the intake manifold regardless of engine load, so pressure in the rail rises and falls according to manifold pressure.

The regulator also increases fuel pressure with boost.

Fuel cut defender is a very dangerous tool. Something as simple as an overboost caused by a ripped wastegate hose will completely destroy your engine with a quickness...I suggest you get rid of it.

http://www.turboninjas.com/supra/maft/8%20-%20Vehicle%20Specific%20Info/MK3%20Supra/Mk3%20Timing%20Control%20Diagram%20%28works%29.jpg You need to rewire it if you want timing control. Clipping the R7 resistor on the maftpro mainboard is needed if you want to use the timing monitor function.

Yeah like Dustin said the only way to raise fuel cut is to pull more fuel which decreases the AFM frequency, unfortunately the more fuel that you pull the more dangerous the timing gets. What kind of FPR do you have? You might want to make sure it has a good vacuum source to it and is rising...

Basically your CSI switch is stuck open which would prevent the CSI switch from being able to activate the CSI. While that should be fixed it isn't the cause of your problem/code so don't expect replacing that to fix it.