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For one data point, I just opened up a tube that had been triple wrapped in sandwich bags for 3 years, and it's still good. There was a little dried plug at the opening, but the rest is still fine. I used what I wanted to and wrapped it back up for next time.

If you have a clutch LSD, lots of FM will drastically reduce the LSD action, if you care about that. Adding lots of FM won't hurt anything, so it's worth a try. If it does reduce your clutch LSD action unacceptably, the fix is changing the oil and using less FM, which isn't hard. If it's not a...

Energy Suspension makes a silicone grease that's really sticky and resistant to wash-out.

I triple wrap my silicone RTV in zip-top sandwich bags, trying to squeeze out as much air as I can. Seems to keep it fresh for a long time. Nothing is perfect, but 3 baggies are cheap and easy. Yes, aluminized film would be rather less permeable than plain polyethylene, but I don't have any of...

Energy's own silicone grease is the goop to use. It's super sticky and as water resistant as you can get. It's likely just 2 bolts per bushing, so very easy to take off one at a time.

There's a ton of info on the web about this. I found this article to be a great place to start. The video is quite a data dump, but it's all true. Basically, if you have too much damping, the tire has too much of an effect. Tires are high-rate springs with little damping, so make a lousy...

With any car, it pays to read the wiring diagram to determine what the lower current will affect. In my '88 Supra, I had to bypass the tail light failure module and modify the flasher. I wanted to keep the tail light failure module, but the way the Superbright LEDs work, it just wasn't...

I'll second the LEDs from Superbright. I changed all my running/side/brake/turn lamps to LEDs on my '88 Supra and they've been working great. The best reasons to change to LEDs on an old car is much lower current on the old wiring, and they stop roasting the old plastic housings that are...

The silicone grease Energy Suspension sells is very goopy and sticky, and resists water extremely well. And, it's waaaay cheaper than Molykote 3451.

I've had Yellow Stuff pads on the front of my '04 350Z for a while, and they're just about gone. I've not heard a peep from them, and they work quite well cold or hot. Nothing at all wrong with different grip pads front and rear. From the factory, my Z was badly biased to the rear. I put $10...

In addition to all the anecdotal evidence, every factory service manual will tell you to torque all suspension bolts with the car at neutral ride height. The manual may not tell you why, but that has been covered here. If the bushing's inner tube (generally with serrated ends) rotates while...

car-part.com is your friend, and the best place to start. Search around. If you don't see exactly the part you want, but they have the right vehicle listed, call up the yard and ask. Some yards will let you go and pick your part, some must take it off for you. It also depends on the specific part.

Epoxy will not last at all in the presence of alcohol. The only material that will handle continuous immersion in gasoline with ethanol is urethane.

When your fuel contains ethanol, a urethane sealer is the only option. Epoxy dissolves in alcohol. Most of the tank repair goops are epoxy, so will not last no matter what the label says. I recall that POR15 is a urethane. Surface preparation is absolutely key to success. As clean as possible...

I will second these. If I'm not expecting to dowse my hands in fluid, these are it. I get maybe 10 minutes out of a regular rubber glove because my hands sweat profusely. Once I found these, I wear them all the time working on the car or bicycle. They keep my hands much cleaner, don't make my...

It's worth a try. I've used MT-90 in my old Supra W58 for decades with excellent results, cold and hot. I've never heard of mixing anything with it, but it should be harmless. Yes, everyone, the Redline 75W90NS has no sulfur-based friction modifiers in it, unlike almost every other GL5 oil on...

Toyota specified platinum plugs for the 7M engine, both GE and GTE. The GE has a distributor. Use platinum or iridium plugs in your 1G-GTE and be happy about it. My 7MGE has had platinum plugs its whole life, about 288k miles at this point.

My 1988 Supra gets Toyota Red, mixed 50/50 with distilled water, and it would be the best thing to use in your 1987 MR2. Pink is for newer cars. I really don't think either of these cars had typical green silicate coolant from the factory. It would have been Toyota's own Red.

Yeah, I'm sure Nissan isn't unique, but I find Toyota better for selling small parts for the old one I own. The front upright assemblies on my Z run about $880 for both. They are a fancy machined forging and a pressed-in ball joint. I was easily willing to spend the extra time and $80 replacing...

Get some AC flush solvent and flush it again. It may do a better job that straight acetone.