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Despite what you might consider to be too much information, I would consider rereading some of the threads on cooling fans and clutches found on this forum and elsewhere. The so-called one-bolt spin on fan clutch is probably the most popular choice, but consider that there were also a few fan...

Fourteen inch rims do not need defending, it's the rubber choices that do. I recall fitting the OEM fourteen inch rims with Michelin XWX tires that offered excellent grip. But not for long. (I vaguely recall a treadwear rating of "50" despite 1985-NYT article that mentions "100.") But for...

As others have mentioned, the major piece of emissions-related hardware is the EGR (exhaust gas recirculation) system. There is a good likelihood that yours is plugged or non-functional and therefore has little impact on engine performance other than extraneous weight. If the EGR valve were...

If might help if you were a little more specific with your leak description. If it is the blue plastic that is molded to the metal injector, there isn't much you can do. Could it be that it's the rubber tube that fits the metal portion of the injector inlet pipe that is leaking? New injectors...

1. Imitation Star Trek floor mat? (Not the same accurate depiction as found at the foot of the original Enterprise captain's chair, but more tolerant of of space dirt.) 2. Steel carving plate for extra-tough prime rib?

Not to dissuade you, but virtually all anti-theft measures have a downside. Wheels may present themselves as prime targets but there are many other generally "unwitting" targets of opportunity/happenstance. From a long-time victim's perspective, these include, "missing" front turn signal...

Que bella! A few observations. You might want to re-position the bellows clamp nearest the air filter box. It looks like it does not cover the rubber bellows properly. I am not a student of right hand drive cars, let alone E9s or much else. However, I wonder if it is a good idea to have...

I would expect the E23 head would work. For reasons offered above, a later style head is better than an earlier style, but I would not hesitate to use the earlier style if it were in good shape. I vaguely recall head gasket sets with 2.8L different 3.0L labeling, indicating slightly different...

The many cylinder head cracks pictured are unusual for an M30 cylinder head -- including earlier castings. I believe it has been pointed out in other threads that the major difference between earlier and later heads is water jacket design, including thickness, so that the newer versions are...

It might be normal . . . for your setup. Typically, engaging an automatic transmission in gear, engages the torque converter and this will necessarily cause idle speed reduction. That said, a 600 rpm drop is not necessarily abnormal, since you may have a torque converter with an unusually...

Not true. You might not notice the effect, but to the discerning driver, there is a difference. Here's a chart providing rough differences of "free pressure" or boost with different size boosters: http://www.classicperform.com/PDFs/BoosterBrakePressureChart.pdf The same argument about...

Couldn't access your video, but sight unseen I wonder if you don't have a funky accelerator pump diaphragm or something wrong with the checkball/spring that is also part of the accelerator pump assembly. (I have not looked at a 32/36 carb in a while and recall that while there are two nozzles...

There are many possible causes for the symptom you describe, most of them*, air/fuel related. If the idle circuit (especially including the jets controlled by the idle solenoids) becomes plugged with debris, a poor idle and part-throttle operation will result. Consequently, if the...

Hard to disagree with advice already offered. As a base of knowledge you might consider leafing through the factory recommendations found in the manual available on this site. However, unless you know your car's mechanical pedigree, some of the advice is subject to changes that may have...

Re: maintenance intervals? Common sense applies. If you constantly peg the tach to redline you are more apt to stretch and wear things. A garage queen is less likely to need adjustments, but its hard to say that routine valve lash checks is ever a bad idea. The factory service interval...

An inherent problem with your question is what else may have been modified or tweaked on your particular setup. Consider that an improperly jetted carburetor may permit an engine to run at adequate baseline levels, but not necessarily optimum performance levels. Same may be true with mixing...

I misunderstood that both front wheels were not leaking grease, but some of my musings still apply. If you have a dragging brake you would likely experience the car tracking abnormally. There might be a pull toward the passenger side based upon your description. A sticky caliper is not...

Some thoughts in addition to Sven's good advice. If your fuel injectors are original and have the original hoses that feed each injector from the fuel rail - they are all likely due for replacement. Over time even the best rubber components can become brittle and subject to leakage. Of...