Everything is worth something relative to what is being swapped out or eliminated.
A single cylinder master cylinder is not too heavy, but heavy enough for my taste. Back when, supposedly a company called Girling was making aluminum single cylinder MC's for the 2% cars. It has not been verified though.
I have now reached 11 ounces removed by a few bolts and nuts up front.

This 1600 ounces = 100 lbs is going to be the hardest demand on my lose bolts left in my head. LOL
1,599 ounces left.

What with all this new wave 3D printing these days, I'm surprised no one has molded there own lightweight parts.
I'm looking into old practice aluminum sand cast door handles.

The CNC 7075 alloy door lock strikers never materialized because the vendor was too busy to deliver my product, so I aborted after waiting almost a year. I've got a guy right here in NY that is crazy enough to make things during the midnight hours.

I've been working on reducing weight inside the trans. Just took out another 7.3 lbs. The total is now down to 114 lbs. I believe a stock one is 129 lbs.
Doug

What is it that you surgically removed? I'm curious as much as George.
Is it aluminum spinning assemblies?

The only diet I've given mine is the deletion of the go- cable, Moroso fabricated aluminum oil pan and various titanium and aluminum bolts for certain things like the pan bolts. Oh, and the convertor inspection cover got the boot as well, it weighed 1/2 lb.
My trans is heavier than most out there because of the rear pump with these push button/cable drive transmissions, but I do have more shift pressure for firmer shifts.

The following parts are aluminum. Direct clutch carrier, front drum, rear drum. The sun shell has been wacked (1 lb removed), the rear pump is gone, the governor is gone, The parking pawl gear is cut down to .250". And Lee just for you, the output shaft was turned down to remove about .125" along with the speedo gear drive. It had an aluminum rear annulus gear in it, but the teeth were taking a beating. We'll see how it works this weekend.
Doug

Turned down? so that dictated oversize seals and or bearing races and such?

Cool.
I've asked about aluminum drums and sunshells for a street/strip car,( my car sees Real World traffic on weekends only) but did not receive ample complete answers. So for the most part, it has stayed with its stock Hemi drums, bands, clutches and other parts.
There are ground breaking tricks through out the trans itself that my Guru has applied for a third gear that feels like a 75 shot of Nitrous, but they're still heavy parts.
I've always wished that someone reputable or company would create Titanium output shafts and especially Titanium transmission slip yokes for the driveshaft. Lots of weight there.

So here are two sides of the A pillar interior post covers that have come back from the milling Chacuzzi and have been painted to look untouched. I mean, they look regular, just a 1/2 pound shavings at the least.
All together, the interior trims were shaved by almost 3 lbs.

Here are some other corner stone pieces in their bare suits before neutralizing and primer sealer. Wafer thin and flimsy till you mount them.

One thing unforgiving about the Chacuzzi is its ability to not yield to corners that either have some rust or are thin already from the edge stretching that parts go through during stamping at the factory. Oh well, at least there aren't any Swiss cheese weakness on these no stress cosmetic parts.

how would you repair that pc. ? or is it not noticeable when mounted ?

It's not noticeable once it is mounted, plus if you try and weld it shut, you really have to know your Tig welding or else you'd be burning right through it in no time.
The cheap and most efficient way to repair it would be to smear some metal to metal putty which dries super strong and when sanded and painted, looks like it never was there.
Some guys prefer this agent better than bondo because it has metal particles in the formula, pretty much metal paste in a can.

Looks like a job for "duct tape man".

How much does Duct tape weigh?

Here are the rear quarter interior panel top rails after their Chacuzzi bath. After they are primed and painted, I'll reinstall the A990 interior panels for a stock look.

You guys and your trickery amaze me!! I have been lurking on this thread for a while. I used some of your advice and was able to get my Satellite down to 3610 from 3850!! Thanks for all of the tips!!

Glad that we, as a collective could help within this thread. That's a good amount to lose right off the batting cage.
By virtue of what I've done on mine so far, I believe the number to be around a true 600+ Lbs off. That's with keeping in mind of conserving a relatively stock look. Super Stock look that is.

Okay, so since we're deep now into the ounce counts, a little over looked 12 studs or bolts that may add up to a few unwanted ounces. The threaded valve cover hold down hardware.
Here are their replacements in full light alloy glory.

what will you be using for the nuts/washers ? titanium ones? if so, will they be the "thin/jam" type ?

Yes, you've got it.
For some time now, I've been using the steel thin jam nuts with aluminum split lock washers. The gaskets are the Moroso Perm-align blue types that do not leak, at least on my application.
Now I have acquired aluminum thin jam nuts and will use them with the aluminum split lock washers for a complete valve cover mounting system. The aluminum studs get inserted into the heads using a good lock-tite adhesive since I remove the covers every now and then to adjust the valves.
I'll weigh them later and post. Should be good for an ounce or two. I know it sounds crazy, but I'm counting 'em down one at a time here, there, everywhere.
Of course, some fasteners either have to stay steel or at the very best Titanium because of their strain duty. All of this has to be calculated correctly to work and survive in such an evironment.

you should start a "jenny craig" or weight watchers" program and cash in on your "recipies", that way, you could make some $$$ to get even more exotic in your reduction quest ! good job !