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Sorry you had to clean all that gooey mess off. Maybe too cold for the filler to properly cure? Unless you have a heated work space, you might want to wait until the weather warms up a little. Making great progress otherwise! 👍👍

That episode of "Street Outlaws: Locals Only" just aired on the MotorTrend channel. It was just as painful seeing this crash the second time; but it gave some good paddock coverage to Stony and his wife. Can't wait to see 2.0 at the track. 👍👍

Really cool stuff....very nice. I like the "refurb" on the front crossmember, as well! 👍👍

Just from those photos, I'd say you've got an R180. The 200 has a much more "bulbous" carrier case and rear cover. This video does an quick and dirty job illustrating the differences and distinctions: https://www.google.com/search?q=identifying+r200+vs+r180+with+pictures&client=firefox-b-1-d&sca_esv=b960a84cc5c43ab2&ei=haU1afOCFb_m5NoPmuGuoAY&ved=0ahUKEwiz2Zen7auRAxU_M1kFHZqwC2QQ4dUDCBE&uact=5&oq=identifying+r200+vs+r180+with+pictures&gs_lp=Egxnd3Mtd2l6LXNlcnAiJmlkZW50aWZ5aW5nIHIyMDAgdnMgcjE4MCB3aXRoIHBpY3R1cmVzMgUQIRigATIFECEYoAEyBRAhGKABMgUQIRigATIFECEYoAEyBRAhGKsCSOYbUNoGWOUZcAF4AJABAJgBdKAB5wqqAQQxMS40uAEDyAEA-AEBmAIPoAKQC8ICChAAGLADGNYEGEfCAgUQIRifBZgDAIgGAZAGApIHAzcuOKAH0zGyBwM2Lji4B4ELwgcIMC4yLjEyLjHIBz2ACAA&sclient=gws-wiz-serp#fpstate=ive&vld=cid:1284de3c,vid:s3egG-klPBg,st:1151 For a more detailed and in-depth discussion of the technical differences between differentials, see this Pinned post here: Just as an FYI -- you have posted in the "FAQs" section, which is typically reserved for posts of an informational/educational nature. Kind of like a repository, or library, of technical information. I would suggest moving this thread to the "Drivetrain" section down below: https://forums.hybridz.org/forum/11-drivetrain/. These sub-forums are intended for open and freeflowing discussions. You can move the thread yourself; or I can do it for you, if you prefer. Your choice. LMK if you need any help. Hope this answers your question. Cheers.

Wow, great progress! I love the cantilever design on the rear suspension. A few guys here have previously designed their own custom cantilevers; but AE is the only vendor that I'm aware of that has ever "mass produced" a system like this. Really interested to hear your feedback on how the whole TA package works once installed. Is that the final resting place for the fuel cell? If so, are you going to have a way to isolate it from the rest of the driver's compartment?

Oh, man....what a bummer! I guess the one good thing is that it happened at the end of the season. Any idea why the engine wasn't pulling hard? Is there a big elevation difference between there and home?

Wow, impressive to see how quickly you are jumping into this project. It's such a shame that the car had so many "hidden" issues; but hopefully the chassis is still straight in order to minimize the cost of the repairs. Sounds like a big order of shiny parts you have coming from Apex....enjoy!!

Yep, that's the correct part number (and the same one I bought for my Z). Looks like it's still available from multiple sources.

Similar to what @darom did, I located one of those old Bimmer locking gas caps and gave it a try. It does indeed have a tight fit on the Z's gas cap inlet; but I found that gas could slosh up and leak out through the internals of the cap during hard cornering when the tank is near full. IIRC, it's an internally vented breather-style cap. It didn't work for my intended application; and I don't think it would work for yours. However, if you want to give it a try, I can dig through the garage to see if I still have it....LMK.

I believe you are referring to the Proportioning Valve and the Brake Line Pressure Differential Warning Switch. Is the switch still functional (I couldn't see any wiring from those photos)? Did you decide to relocate them to the fender well for a cleaner look under-hood? If that's going to be their permanent position, I would fabricate some kind of metal shielding to protect them from road debris damage....the stock plastic inner fender liners are probably not sufficient. Good tip on the "Finishing Lines"...will check it out for sure! 👍

Yeah, getting rid of that crappy worthless "undercoating" is very satisfying and worthwhile....as well as all that 50-year old dirt, gravel, and grease! Looking good! P.S. While you've got it stripped down, this is a great product for protecting your frame rails and other hard-to-reach areas on the chassis: https://www.eastwood.com/eastwood-internal-frame-coating-14oz-aerosol.html

Nice. The strut brace may not be really necessary; it sounds like you'll be making the upper rad core support stronger than original. 👍👍

That's one clean-looking shell....she's coming along nicely!! 👍👍 Have you made the upper portion of the radiator core support bolt-in? Done that with my last couple cars and it makes engine pulls sooooo much easier! As long as you have a decent front strut tower brace; there's very little stress on that section of the shell, IME.

Ditto what @74_5.0L_Z said....same experience for me, but in a 4" backspace vs 5" (i.e. 0et). The 245/45-16 fit front and rear with my standard-size ZG flares, which I believe are similar to your setup? What tires/treadwear rating are you thinking of running? I've actually found a *slightly* better selection of tires in 15", especially at the performance end of the spectrum; but then you start running into interference issues with brake and steering/suspension components.

I have seen some folks add a Ferrrari-style "pop-up" gas cap and filler; but it's not a trivial mod cost- or work-wise. And it's usually done for asthetics vs functionality, IME. I'm curious....are you using this style cap? It's what I use; and have no problem with spillage/leakage at the track, even when the tank is fairly full. https://www.zeddsaver.com/collections/gas-caps/products/240z-280z-gas-cap-with-retainer-ring I'm interested to see what other folks have to say -- following. Hope you find a solution that works for you!!