- 1976 280Z Restoration Project
- 1976 280Z Restoration Project
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rossiz started following Needing a 77 Throttle body complete. , 1976 280Z Restoration Project , carb balance with Twinmax and 3 others
- 1976 280Z Restoration Project
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carb balance with Twinmax
Funny - my buddy has a twinmax that I borrow for the annual tuning on my carbed Duc. Never thought to use it on the SUās though. Would certainly be an improvement over the unisyn in accuracy (super sensitive) but I have had a unisyn in my toolbox for almost 30 years (bought it for my 64 Corvair convertible RIP) and always associated the unisyn with cars and the Twinmax with bikes...
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A Tough Night...
Decided to get motivated while the sun was shining - pulled off the fenders, hood, grille, sugar scoops, bumper to see what i'm dealing with. Looks like the sheet metal work forward of the wheel wells is not worth saving, combination of some hidden rot and it being really mashed up. Might try and find a frame-cut from just in front of the shock towers and just weld it on. One thing that was rather exciting: I finally solved the mystery of the "Z Mana". Some of you might remember previous posts under this title, about how every time I got going really fast or encountered some bumpy roads I'd have a piece of what looked like (very old) toasted oats cereal fall on my left foot. I figured either the previous owner's little kid had been depositing them through the defroster slots, or some critters had been stashing a winter food supply. Well - it looks like it was the critters! I found a stash under the drivers side fender supports - and not surprisingly this is where the rot had started. So I guess I would've had to deal with that at some point anyway...
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A Tough Night...
Thanks again to all for weighing in, it's great to have some like-minded folks to help get perspective on the situation. Had a great chat w/Patcon and am feeling a little more optimistic. At this point I'll probably pull off and discard all the parts that are beyond repair and then see what it'll take in time/$$ to get her driveable again. Once I get a required parts list I'll post up and see what's available to purchase from the CZC community. Stay tuned...
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A Tough Night...
I checked w/SDOT this morning: all our traffic cameras are live-stream only, no recordings are made due to the strict surveillance laws in Seattle. The pics below show the door gaps: passenger looks exactly as before, but drivers side is opened up at the top - makes me think the rocker is "frowning" a little, which would mean the drivers side front shock tower moved, right?
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A Tough Night...
Thanks for all the kind words - and yes, the kids being safe makes it a very lucky event. I don't think the truck even saw them, as the roof of the Z is below the window sill of most large vehicles and it was dark & rainy. At any rate, they never even stopped. The bummer is that since their was no contact with another vehicle and they have no witnesses to ID the other driver, it's considered an "at fault loss of control" and I receive $0. Then, to top it off, the tow truck driver (contacted by the police before I got there) convinced me that I should let him tow it to their yard instead of my house "...because the insurance will pay at our yard, not at your house" and that was total BS. Insurance is paying $0 and AAA is just now bringing it back, after $400 in towing and storage fees at the yard (for 1 night). I really don't know if It's worth rebuilding b/c I'm concerned that the frame is all bent and the thought of having a car that shimmies and wanders all over the road is not exciting to me... I can certainly shape/fab/weld sheet metal, but I worry about not being able to get her straight. Also, w/no insurance payout I can't afford the project. For now it'll have to sit in the driveway until I find the heart/energy to start taking her apart and assessing the damage.
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A Tough Night...
Last night was not good. My son was driving my daughter home from the movies in my Z, going across the Ballard bridge (drawbridge w/metal grating in the rain) when a pickup pulled into his lane. He swerved into oncoming traffic to avoid the truck, then cut back into his lane and the car went into a spin, crashing into the guardrail. Thankfully both kids walked away unscathed but I'm afraid it might be the end of the road for the Z... IMG_0013.HEIC IMG_0017.HEIC
- Vacuum line question 280Z SU Carbs *with pictures
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Valve stem replacement w/ head in car
it's actually a pretty straightforward job, costs less than dinner at a nice restaurant, no huge skills needed and rather satisfying when done. the bonus is it forces you to adjust your valves - always a good thing to do on an older motor... i think it's around an hour or so to do the whole thing and the valve guide seals are cheap. the only things that could cause you drama are: dropping something into the hole of doom (cam chain area) so be sure to stuff it w/rags as soon as you take off the valve cover and you'll be fine. loosing a valve keeper - they can fly when they break loose, so do it in your shop vs. out in the gravel driveway (don't ask me how i know this) also see bullet #1 for flying valve keepers damaging the valve cover gasket - should be able to re-use, but if the cover's not been pulled in a long time they can stick and tear, but they're pretty cheap anyway. that's really all there is to it for "danger/warnings" otherwise i wouldn't shy away from it at all if you want a fun little saturday afternoon project.
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Vacuum line question 280Z SU Carbs *with pictures
sorry about my delayed response to this, been a little remiss on checking posts... i re-built a set of SU's for my conversion from EFI-carbs, and in the process i got rid of just about everything non-essential in the engine bay. no carbon canister, re-routed fuel lines and a host of other mods to reduce the spaghetti factor in there. you could probably find the old post (4-5 years ago, i think) i believe it was titled "out with the new, in with the old" or something to that effect. bunch of pics and pretty good amount of info. i never did put in the AC - thought about it, picked up some of the parts, but lost momentum on the project and couldn't bring myself to put more stuff in the engine bay... funny thing is, i have always had the exact same idle waver: about a 200-300 rpm up and down fluctuation and i've never been able to figure it out. the car runs great, the carbs have been rock-solid for many years now and it starts quicker on the choke than the EFI ever did. i've just learned to live w/the idle hunting, but would love to hear thoughts from others on what could be causing it.
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Valve stem replacement w/ head in car
that's the tool i have - pretty cheap for the amount of use i got out of it (did several heads, including replacing valve stem seals for other folks). it works well enough, a little tricky on the ends where there is tight clearance at the cam towers. +1 on the vinyl tubing - i think it was 1/4" or so, you just need to push up the valve so it doesn't fall down when keepers are removed.
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Needing a 77 Throttle body complete.
My condolences re: your EFI woes, especially being forced to deal with it by the municipality. Seems a Kafkaesque nightmare. I did sell my 78 EFI setup, but I have a complete one from a 79 ZX (entire manifold, ECU, TB, etc) thatās been gathering dust under my work bench for several years. Let me know if any bits would be helpful. PS: The SUās are still performing beautifully...
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rear wiper
Itās been a bit - canāt remember the model. Was late 90ās I believe. Please note this was a huge PITA project. Definitely not a ābolt-inā. The seats had a manual piston-assisted height adjustment, which I had to remove/collapse and weld closed to get them low enough to clear the headliner, the mounting point width was too wide so I had to fab new mounts, the tracks were too long so I had to cut/weld them and reconfigure the slide adjustment lever, and the floor pan on the drivers side (propeller shaft hump) required some āadjustmentā with a 4 lb hammer to make room. I donāt recommend this unless you are hell-bent on making it happen and willing to modify your z a bit.