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Rotten Datsun

Discussion in 'Off Topic Hot Rods & Customs' started by hillbilly4008, May 21, 2025.

  1. hillbilly4008
    Joined: Feb 13, 2009
    Posts: 3,145

    hillbilly4008
    Member

    Driveshaft will not move with suspension. IRS. Shaft is fixed at both ends between the ****** and the differential.

    Just need to space the tank up off the channel
     
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  2. hillbilly4008
    Joined: Feb 13, 2009
    Posts: 3,145

    hillbilly4008
    Member

    Got ahead of myself again. I realized when I had the tank there I had nothing to mount it to. Then realized I never replaced that crossmember under the cab. Two birds one stone scenario. Wreaking of burnt acorns again.
    20260217_114817.jpg 20260217_112723.jpg 20260217_135753.jpg 20260217_151942.jpg

    The front of the fuel tank will mount on tabs coming off this crossmember. Don't know on rear tank mount yet
     
    Last edited: Feb 17, 2026
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  3. hillbilly4008
    Joined: Feb 13, 2009
    Posts: 3,145

    hillbilly4008
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  4. gene-koning
    Joined: Oct 28, 2016
    Posts: 6,172

    gene-koning
    Member

    Can I blame it on an old man's memory? :D
    I keep forgetting about this new fangled IRS stuff. The really sad part is the front axle on my 49 4x4 truck has independent front suspension...
    You are doing great. Keep at it.
     
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  5. hillbilly4008
    Joined: Feb 13, 2009
    Posts: 3,145

    hillbilly4008
    Member

    Happens to all of us
     
  6. hillbilly4008
    Joined: Feb 13, 2009
    Posts: 3,145

    hillbilly4008
    Member

    Moving on to the parking brake, so i can finish painting the frame and put everything back together "permanently"

    While messing around i noticed something.
    20260219_114548.jpg 20260219_114653.jpg 20260219_114803.jpg 20260219_114811.jpg
     
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  7. hillbilly4008
    Joined: Feb 13, 2009
    Posts: 3,145

    hillbilly4008
    Member

    Hand brake parts
    20260219_112407.jpg 20260219_112357.jpg

    Check out how close the parking brake cable clamps line up
    20260219_114115.jpg
     
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  8. hillbilly4008
    Joined: Feb 13, 2009
    Posts: 3,145

    hillbilly4008
    Member

    20260219_150752.jpg 20260219_154434.jpg

    ****py pictures I know, but I got the linkage working
     
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  9. hillbilly4008
    Joined: Feb 13, 2009
    Posts: 3,145

    hillbilly4008
    Member

    Had to cut 1 crossmember to clear the gas tank.
    20260220_155511.jpg 20260220_155511.jpg

    Looks like the filler will line up like it needs to
    20260220_155639.jpg
    Now to take it all apart and make it pretty
     
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  10. hillbilly4008
    Joined: Feb 13, 2009
    Posts: 3,145

    hillbilly4008
    Member

    Pics tell the story
    20260221_165824.jpg 20260221_171825.jpg 20260221_172341.jpg 20260221_173200.jpg 20260221_173854.jpg 20260221_173935.jpg

    Need to go buy some filler neck hose to extend to reach
     
  11. hillbilly4008
    Joined: Feb 13, 2009
    Posts: 3,145

    hillbilly4008
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    This should never have taken so long. 2 trips to the parts store...

    20260222_182858.jpg 20260222_183553.jpg
     
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  12. hillbilly4008
    Joined: Feb 13, 2009
    Posts: 3,145

    hillbilly4008
    Member

    I just opened up another can of worms. I tried taking this rear coolant housing off to see what can be done to make some more firewall room. Ended up snapping the bolt off.

    20260222_185153.jpg 20260222_190321.jpg

    This is for the heater hose. To run a solid hose from this port to the one on the front of the engine requires a 5/8" heater hose. This falls directly where my gas pedal needs to be....
     
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  13. hillbilly4008
    Joined: Feb 13, 2009
    Posts: 3,145

    hillbilly4008
    Member

    Is there some sort of highly flexible universal heater hose out there that doesn't require alot of space to go 90°?

    Maybe I should just go to a junk yard and find some pre bent hose.
     
  14. Flatrod17
    Joined: Apr 25, 2017
    Posts: 731

    Flatrod17
    Member

    I go to the parts store and ask to go back and look at the hoses. They have all kinds of shapes and sizes. I have never failed to find what I need, even tight 90's or more even U shapes.
     
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  15. hillbilly4008
    Joined: Feb 13, 2009
    Posts: 3,145

    hillbilly4008
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    I lost sleep over this. Now its a stupidly simple solution. I got so flustered yesterday after breaking that bolt i wasn't thinking clearly.
    20260223_121533.jpg 20260223_122114.jpg

    I was able to get the broken bolt out also. I ended up welding a nut on.
     
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  16. gene-koning
    Joined: Oct 28, 2016
    Posts: 6,172

    gene-koning
    Member

    Often I take a short piece of pipe or tubing the correct diameter, cut it in the center at a 45 degree angle, rotate the two pieces to make the angle you need, then weld the pipe back together. Add a short piece of hose on each end, and clamp the ends of the hoses.
    Another option is a pipe elbow and two short ******s, or a br*** or copper 90 bent tube of the correct size. The need to use a rubber 90 degree hose is not always necessary.
     
  17. hillbilly4008
    Joined: Feb 13, 2009
    Posts: 3,145

    hillbilly4008
    Member

    Bought a universal pre bent hose from the parts store. Done.

    Onto the next thing. (I know im bouncing around) Remote shifter. A buddy of mine gave me a shifter from a Toyota.
    20260224_160120.jpg 20260224_160154.jpg

    Don't need the nub
    20260224_162930.jpg 20260224_163332.jpg

    Looks like it will work pretty decent for what I have planned.
    20260225_154930.jpg 20260225_154935.jpg

    While laying under the truck looking for mounting points for the mounts im going to need input found this little surprise from a previous owner. Bolt was finger tight, so I tightened it only to find out it just spins in there.
    20260225_155401.jpg 20260225_155432.jpg
     
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  18. gene-koning
    Joined: Oct 28, 2016
    Posts: 6,172

    gene-koning
    Member

    That is not good.

    Does it leak trans fluid out of the bolt hole? It appears the only function may be to hold the two parts of the trans together?
    If its not leaking, and has no other purpose, I think I would take a chance of leaving it go. There appears to be plenty of other bolts holding it together. If at some future point the trans is apart, I'd fix it then.

    If its leaking, or there is an addition purpose, I don't see any option other then separating the two sections and removing the broken end of the bolt, then replace the broken bolt. I can't think of anything with that long of reach that will remove the end of the bolt, unless you are lucky enough a long thin screwdriver might catch an end it it will easily screw out, and then you car retrieve the bolt end with a long thin magnet.
     
  19. hillbilly4008
    Joined: Feb 13, 2009
    Posts: 3,145

    hillbilly4008
    Member

    I bought this "kart" with pretty much zero history on it. The kid I got it from had some fibergl*** batmobile type body for it. The engine and trans are insanely clean, with many new parts and hardware. I think its a safe ***umption this was all freshly rebuilt, it doesnt make sense for that bolt being snapped like it was if it wasnt apart before.

    The other end of that broken bolt is exposed. It comes through the other side of the housing but just slightly dead heads into the housing on just 1 side of the bolt threads. It looks like i can grind a small amount out of the trans and MAYBE get some visegrips on the broken piece.

    Question is do i really need to worry about it? its not leaking and there are still plenty of other bolts holding the case together....
     
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  20. gene-koning
    Joined: Oct 28, 2016
    Posts: 6,172

    gene-koning
    Member

    I'm a bit lazy and a bit of a hack. That said, I would not be afraid of running it. There are a lot of bolts around that pretty small diameter housing, and it does not have the look of a pair of parts that are under a lot of pressure.
    It would be one of those things where I would keep an eye out for a leak to develop. If a leak gets started, I would then see if I could get the end of the bolt out. It sounds like the bolt may have bottomed out in the housing before it broke, that could make the removal much more difficult.
     
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  21. hillbilly4008
    Joined: Feb 13, 2009
    Posts: 3,145

    hillbilly4008
    Member

    Agreed. The motor/****** will come out 1 more time before final ***embly. I'll look at it then. Working on my back with my arms in the air isnt as effortless as it use to be.
     
  22. gene-koning
    Joined: Oct 28, 2016
    Posts: 6,172

    gene-koning
    Member

    Your a youngster yet, wait until you add another 27 years to your age and see how you feel! My son is 2 years older then you are, he is my youngest child... :D
     
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  23. hillbilly4008
    Joined: Feb 13, 2009
    Posts: 3,145

    hillbilly4008
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    Waiting on parts. Gotta keep moving forward
    20260227_194632.jpg
     
  24. hillbilly4008
    Joined: Feb 13, 2009
    Posts: 3,145

    hillbilly4008
    Member

    I'm not cheap, i'm impatient. The new hoses will be in this weekend and I didn't realize I don't have tabs on the frame.
    20260227_203026.jpg 20260227_212733.jpg
     
    Last edited: Feb 27, 2026
  25. hillbilly4008
    Joined: Feb 13, 2009
    Posts: 3,145

    hillbilly4008
    Member

    Clutch strokes are identical. Just need to drill some new holes
    20260227_204649.jpg
     
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  26. hillbilly4008
    Joined: Feb 13, 2009
    Posts: 3,145

    hillbilly4008
    Member

    Power brake booster not so easy
    20260227_210449.jpg

    I have a solution on its way also
     
  27. hillbilly4008
    Joined: Feb 13, 2009
    Posts: 3,145

    hillbilly4008
    Member

    Some parts coming in slowly, and i had to reorder a few things that came in wrong. So waiting on that stuff.

    Will be going a slightly different route with the shifter design. This should be simpler and fool proof. Hoping the rest of the bits get delivered tomorrow.

    Pics
    20260303_162249.jpg 20260303_162524.jpg 20260304_140105.jpg 20260304_140346.jpg 20260304_144724.jpg 20260304_153053.jpg 20260304_153812.jpg 20260304_154952.jpg 20260304_160014.jpg

    Thats the remote shifter part. Waiting on some rod ends to connect it to the trans half.

    I cut down a stock shifter for the trans. It clears everything now.
    20260303_155125.jpg

    Will weld a tab on tomorrow for the rod end. Have a bushing kit coming in tomorrow for it.
     
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  28. gene-koning
    Joined: Oct 28, 2016
    Posts: 6,172

    gene-koning
    Member

    You are doing OK. You are at the point, all the little things seem to take forever, hang in there, one little issue at a time. Take your time and make sure all this little junk works correctly before you move on.
    When your driving it down the street, the only parts of this little stuff you will remember is the stuff that doesn't work right while your driving around. That is when it gets really irritating, so fix it so it works correctly right now.
     
  29. hillbilly4008
    Joined: Feb 13, 2009
    Posts: 3,145

    hillbilly4008
    Member

    Thanks for the support Gene.

    Parts have been coming in. I redid the stock miata shifter bushings and rubber, and finally was able to weld the tab onto the shifter.
    20260306_163429.jpg

    The rod ends came in and I was able to finish making the shift linkage.
    20260306_214103.jpg

    I miscalculated the bolt length, and bought the wrong type of lock nuts. Also the rod ends didnt come with jam nuts. I will need to run to the hardware store tomorrow hopefully. I installed the rod, it appears that it will work, but right now its real sloppy.
    20260306_214653.jpg
     
  30. hillbilly4008
    Joined: Feb 13, 2009
    Posts: 3,145

    hillbilly4008
    Member

    A few more bits came in today
    20260306_212729.jpg

    Cheap universal ebay radiator. Will need to run the lower radiator hose across the front of the engine to make it work, but totally doable.

    Tires came in also. The tires the miata came with were Falken rt660's, those tires are really flippin expensive. These tires are the Falken rt615+'s, 1 step down from the rt660's. They are the same size, but I swear the new tires are narrower.
    20260306_212218.jpg 20260306_212228.jpg

    The new brake booster came in also, but I didn't get a Pic of that. Its insane and will make life WAY easier. I was also able to finish installing all the brake hoses.
     

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