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Trouble - late-1969 SSS Bluebird Coupe


carterb

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Hmm. need to somehow divide this problem and follow the symptoms.

Carbs don't care what gear you are in, but might have fuel starvation after a period of time under load if the fuel line can't keep up for some reason. Does it still bog down when you downshift into 2nd after the symptom is present?

Does this car have ignition retard in 3rd gear as an emission control?

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Trouble has been in the back ground for the last three years and now took a step even farther back - I traded positions between it and the Rice Wagon in an effort to get the wagon running and on the road.

 

Last year it gave up its Recaros to Cooper

 

large.11242019_trouble_(3).JPG.cb67a2013

 

Getting Coopers stock seats in the process

 

large.11242019_trouble_(1).JPG.834496365

 

You'll have to read about that swap in Cooper's build thread.  Highlights were how awkward the driving position was at first since the steering wheel is not in the center of the seat when driving a 510.  You don't notice it with squishy stock seats but with high bolstered Recaros, you are held tight to center so it was a little odd at first.

 

It also gave up a set of brake pads to Jeff so he could get ready for an autocross using 280zx calipers for the first time on Hey.  I ordered replacements and found something quite interesting.

 

The new Porterfield pads have a trapezoid shaped boss on the backing plate of the outside pad

 

large.10032020_trouble_(1).JPG.a4a3387f2

 

This boss did not fit in the round cut-out in my caliper

 

large.10032020_trouble_(2).JPG.c42b5e8cd

 

You can see how it is preventing the pad from seating

 

large.10032020_trouble_(3).JPG.fec590aa3

 

I looked in my garage for another set of 280zx calipers and found this set (painted yellow) and you can see how much bigger the opening is - plenty big to accommodate the boss.

 

large.10032020_trouble_(4).JPG.962fdf099

 

Here is another look at the caliper

 

large.10032020_trouble_(5).JPG.adbe74d45

 

large.10032020_trouble_(6).JPG.7034ead30

 

vs. the blue ones mounted on the car

 

large.10032020_trouble_(7).JPG.e5d6c5d20

 

large.10032020_trouble_(8).JPG.7078a6a8f

 

What am I looking at here?  Did something change mid-model year?  Is the blue set an aftermarket version?  Is the blue set NOT 280ZX?

 

For now, I put in a junk set of pads just so I could move the car but I will have to deal with this later.

 

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I had a set of Work Equip 03 wheels w/ junk tires I got from Japan and rather than store them on the shelf, I figured I could store them on the car instead!

 

large.10032020_trouble_(9).JPG.6268af351

 

large.10032020_trouble_(10).JPG.d31a5c2b

 

Very happy they fit, I didn't think they would as the tire size is quite bulbous!

 

large.10032020_trouble_(11).JPG.bd8673d6

 

large.10032020_trouble_(12).JPG.54459c9c

 

large.10032020_trouble_(13).JPG.f96f7e14

 

large.10032020_trouble_(14).JPG.747ec107

 

In ya go Mr. Trouble...  To the corner for now.  Good boy!

 

large.10032020_trouble_(15).JPG.7d389374

 

 

 

 

 

 

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On 10/18/2020 at 4:20 PM, carterb said:

Trouble has been in the back ground for the last three years and now took a step even farther back - I traded positions between it and the Rice Wagon in an effort to get the wagon running and on the road.

 

The new Porterfield pads have a trapezoid shaped boss on the backing plate of the outside pad

 

large.10032020_trouble_(1).JPG.a4a3387f2

 

This boss did not fit in the round cut-out in my caliper

 

large.10032020_trouble_(2).JPG.c42b5e8cd

 

You can see how it is preventing the pad from seating

 

large.10032020_trouble_(3).JPG.fec590aa3

 

I looked in my garage for another set of 280zx calipers and found this set (painted yellow) and you can see how much bigger the opening is - plenty big to accommodate the boss.

 

large.10032020_trouble_(4).JPG.962fdf099

 

Here is another look at the caliper

 

large.10032020_trouble_(5).JPG.adbe74d45

 

large.10032020_trouble_(6).JPG.7034ead30

 

vs. the blue ones mounted on the car

 

large.10032020_trouble_(7).JPG.e5d6c5d20

 

large.10032020_trouble_(8).JPG.7078a6a8f

 

What am I looking at here?  Did something change mid-model year?  Is the blue set an aftermarket version?  Is the blue set NOT 280ZX?

 

For now, I put in a junk set of pads just so I could move the car but I will have to deal with this later.

 

Here's my 280ZX caliper (at least I was told it was).

IMG_1380-2.thumb.jpg.3411da84b9077c3d6dda4181dd7696dd.jpg

Any idea what the little black tab thingie is that I have sticking out at the bottom of the pad?

 

 

 

 

Edited by rosso
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3 hours ago, carterb said:

it's a retainer spring and is supposed to be on the inside pad, not the outside pad.

Yeh, I had such a hard time getting them together and that trapezoidal thing didn't seem to fit I knew I would need to redo it. Little did I know how badly I had really done.  😱

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Are those new/rebuilt calipers?

Quick!  Remove them and paint them before they turn nasty like my Rice Wagon calipers. 

 

large.10032020_ricewagon_(5).JPG.c98c0f6

 

😢

 

funny, now that I see these - they have the small opening as well.  There must have been a couple variations of the 280zx caliper!

 

Edited by carterb
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I cleaned up and rebuilt the calipers then used dry graphite spray lube. Good to 750F and been like this for months sitting in garage.

 

Same for the exhaust manifolds if I can't get headers. These have been sitting for at least 6-8 months on a shelf. Left is buffed, right is as sprayed.

IMG_1306-2.jpg.40b6cb0e8e8be6cf4f82c1a1d0a5cd36.jpg

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