Everything posted by Captain Obvious
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Barefootdan's 280z Build
Looks cool, but I'm having a little trouble reconciling this: I think you're way beyond having it "blend". I mean. c'mon... Fancy laser cut script lettering with a flashy gold background. With LED readout and a row of shiny chrome switches. And you're wanting it to blend? Hahaha!!
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Contents of SU Rebuild Kit
Glad to help. Just remember that simply knowing where they go is only half the puzzle... Figuring out which one goes where is the other half. Some (most?) of them are relatively easy to figure out, but if I remember correctly, some of them can be a little tricky!
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Painting rear tail light housing (77 280z)
Yes, that's exactly what I meant. Thanks for clearing that up!!
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Painting rear tail light housing (77 280z)
Not that it matters (other than to satisfy my pedantic nature)... It wasn't just the 280's. The 260 also used plastic. If S30 doesn't turn anything up, I've got a spare pair here.
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Contents of SU Rebuild Kit
2 for fuel banjo inlet 1 for bowl air vent nipple 1 for bowl drain plug (later round tops only) 1 for needle valve 1 for damper stalk 1 for inside chamber to cushion piston end of travel As for the last one... Not sure. On the four screw round tops, there might be a seal between the nozzle holder and the bottom of the main carb body? Don't remember for sure.
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‘77 280z smog test failed on fuel evaporative control funtionals
It's pretty much the same procedure if you have to reinflate Otto.
- 1970 HLS30-06521 Re-Restoration
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Putting in a replacement L-28
Excellent. And did you test the temperature valve? Does it get cold when you want it cold?
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Putting in a replacement L-28
Thanks bud! I'll sleep soundly. The screws holding your vacuum control switch don't match. One of the screws that holds the HVAC "stuff" to the transmission tunnel is loose. Bottom right of the pic.
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260Z gets a Frontier alternator
You're kidding. How fast does your drill go???
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Putting in a replacement L-28
What he said!
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Putting in a replacement L-28
Yeah, why should you be so lucky to get everything perfect the first time? Speaking of which... I see in your latest pic (upside down gymnast style) that you haven't run any of the vacuum tubing to the control switch. That's not going to get any more fun as additional things get put into place.
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Putting in a replacement L-28
Only because I don't have air conditioning. The non-A/C systems are simpler, but they have a drawback.... I don't have A/C.
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260Z gets a Frontier alternator
I didn't study the 260 system, but I believe it's supposed to be more "dead man". I think the light is supposed to come on if the alternator is NOT spinning. The theory as I understand it is that you are being told that you may not have power brakes anymore because you have lost your source of vacuum energy. Are you sure the brake warning lamp doesn't use NC contacts? I know it does on the later years like my 77. That's why the brake warning relays always burn up. They get tired of being powered every single second the engine is running.
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Putting in a replacement L-28
And about the fresh/recirc control cable... Don't worry about it because you don't have one. The vacuum control actuator "takes care of that for you". They always switch over to recirc when you hit A/C. One of the flaws (IMHO) in the system, but that's how it works. There is no provision for you to switch over to recirc unless you turn the A/C on.
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Putting in a replacement L-28
Man I hate when that happens. So here's a pic of the temp control lever. It's on the underside (the radio side) of the assembly. That might be why you can't find it. I don't have a good pic of it in-situ, but here's the lever solo. The cable connection point is one of the small holes at the top in the pic: And here's a pic of the whole airbox assy. The temp cable is the one that comes out at the 6:00 position. The jacket is supposed to be held in place by one of those ubiquitous cable clamp thingies:
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Thinking about installing an BMW M6 engine in my Z
Grand Master Granny
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Putting in a replacement L-28
That's what I mostly do. But why stop at three?
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Putting in a replacement L-28
Actually, this might answer the question... I found this pic that indicates the flow direction through the temp control valve is actually opposite of what I said above. Shows what I know, right? : So carry on and don't panic?
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Putting in a replacement L-28
At quick glance, I think the way you had it first may be correct? Based on the design, the inlet leg on the temp control valve should be the straight leg, and the outlet side should be the one that comes off sticking out the side. And on the engine... The connection pushing water into the core is the one at the back of the head, and the connection returning to the water pump is the longer hose running near the oil filter. So with that in mind, you ought to be able to determine which hose goes where? a) Head outlet to vacuum cokk inlet. b) Vacuum cokk outlet to temp valve inlet. c) Temp valve outlet to heater core inlet. d) Heater core outlet back to water pump.
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260Z Rear Suspension Banging
Nevermind... I think I see your plastic spacer stuck inside the rubber insulator mount:
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260Z Rear Suspension Banging
One more idea. Kinda far fetched, but since we're throwing stuff out there... There is supposed to be a spacer between the upper spring perch and the rubber insulator mount. On the front they use a bearing there so the front strut can spin when you turn the steering wheel. On the rear (since the rear doesn't have to spin) they use a hard plastic spacer instead. I only bring this up because I don't see the spacer in your pics. Maybe it's stuck inside the rubber mount, or maybe someone lost it along the way? Here's a pic of the upper insulator mounts and their respective bearings/spacers. Rear pair on top and front pair on bottom: Good luck with the continued hunt for the noise.
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260Z Rear Suspension Banging
And forgot... Looking at the different heights of those insulators, it's easy to imagine that there may be a difference in the length of the necked down portion of the insert shaft to accommodate the difference.
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260Z Rear Suspension Banging
Gotcha, and hope you figure out what's going on. As for the insulators, it's pretty easy to tell the difference between early and late. The difference is significant. Here's a pic I hoovered off the internets of the two side by side: The one you showed above appears to be the early shorter version. And that would make sense for an early 260.
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Timing Question
Cool. Good to confirm that your vacuum advance isn't doing anything at idle and that it does work when you rev the engine. Sounds perfect. As for the stalling on throttle release... Long standing automotive issue. First thing I would do is check the mixtures. I've seen that dying at idle and a hunting idle when the carbs are running rich.