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crshowers

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crshowers

Back in July 2015 I posted this album:

 https://www.classiczcars.com/gallery/album/535-73-z-before-starting-restoration/ 

This album has been updated to show some of the restoration that has taken place.

Now after 5 years of restro work it is a running green Zcar machine.

- Lots & lots of body work, cutting out sections of sheet metal and replacing it.

- Front & rear bumpers completely redone - rubber components refurb'd, bumpers re-chromed. Done by Classic Auto Services 

- A gorgeous green paint job

- New SS brake & gas lines

-New electric fuel pump

- Refurbished booster

- New rear drums

- New front disc brakes & rotors

- Refurbished heater

- Some interior work

- Dash installed

- Engine installed

- Trans and rear installed

- Fuel lines connected and tested electric fuel pump

- New wheels & tires from Bigwheels.net

- Brake fluid added and bleed brakes

- Lots of plumbing work done to eliminate all the pollution controls

- SU's installed & connected

- Roger made custom fittings to simplify and make the lines look great

- Ready to fire the engine. Had to go thru some gyrations to get the oil pump to start pumping oil.

- Fired up & it purrs like a kitten

- UV joints for half shafts installed 

- All systems go, its now a running green machine. 

- Back to the Body shop for the installation of the fenders, doors, windows, bumpers & hatch.

- Took some time to get all the parts back on but on  Oct. 9 I took it out for a spin around the block

- Well the good news its all together, the bad news springs were installed at the wrong locations.

- So back down to RB Import to remove all 4 struct housings and swap the springs. 

- RB welded the tailpipe extender in place looks good

- Well more news the left rear toe is off. Currently working on a solution.

- Sure does look pretty. 

- Its back at its home after all most 4 years of restorations.

Craig

  • Album created by crshowers
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  • Image Comments

    • Mikuni HSR45 x 6 with ITG filters

      By Demo243 · Posted

      I know a few people were following along on this- been a while since I last posted here- but finally all came together!
      Mounted up and running strong! Still a few details to work out; but runs good, sounds good, feels good on the initial pulls. Super happy it worked out!
    • Mikuni HSR45 x 6 with ITG filters

      By duffymahoney · Posted

      Fun! 
    • Mikuni HSR45 x 6 with ITG filters

      By Demo243 · Posted

      Well I decided to go for it - 


      Went with 42's and a TWM manifold. Still lots to sort out, but Ill start another thread on it somewhere and link it back here. Rought calculations hopefully put it in between an OER setup and a Mikuni PHH setup $wise. 
       
    • Mikuni HSR45 x 6 with ITG filters

      By duffymahoney · Posted

      I would probably do them in pairs, then each pair goes to a common shaft.  
    • Mikuni HSR45 x 6 with ITG filters

      By Demo243 · Posted

      Part of running a single shared throttle shaft was for a super clean look- like how datsun_tokyo linked above has it.
      I also still haven’t decided on the manifold- but was planning on the TWM one- seems to be the cleanest and allows me to run without all the linkages. 
       
      With that said I’m interested- I’ll shoot you PM.
    • Mikuni HSR45 x 6 with ITG filters

      By duffymahoney · Posted

      I have common under mount bar mount I could sell you, with either teflon or brass bushings. You would need arms, but it would be the best for actually balancing them. Just a thought.
    • Mikuni HSR45 x 6 with ITG filters

      By Demo243 · Posted

      That car is one of the main reasons I’ve even considered this. I have been in touch with him- unfortunately the language barrier is tough. Might need to recruit an old autox friend who is in Tokyo now to translate. The owner of that car did express that he much preferred the HSRs over OERs and that he was never able to find the right tune with OERs. Looking back through his thread he had PHH 50s on there at some point - but that is a very built engine - 3.1 I think with custom head etc.
       
      Did a little more digging and thinking on this last night - I think mechanically the hardest part will be the common throttle shaft - it looks like each carb has 3-5 holes on the shaft. 2 for pins for to hold the throttle stop and accelerator pump levers; at least 1 maybe 2 for the return springs; and the main threaded one for the slide lift.  With some patience and precise measurements it’s shouldn’t be to terrible, but not a cheap if you mess one up and have to start over on a new stainless shaft.
       
    • Mikuni HSR45 x 6 with ITG filters

      By duffymahoney · Posted

      https://www.instagram.com/p/Czs3Cpqys-Q/?igshid=NTYzOWQzNmJjMA==
    • Mikuni HSR45 x 6 with ITG filters

      By Demo243 · Posted

      For the sake of keeping this in the same thread. I found a little more info on the car in the photo- unfortunately it seems the owner passed away last year.
      But this post on hybridz says he replaced his Weber 45s and actually saw better gas mileage and great throttle response 
      https://forums.hybridz.org/topic/64666-mikuni-hsr45/?do=findComment&comment=1229737
      “I decided to try my own setup with 6 HSR45 Mikunis. I had previously run Weber 45's.  I used the original linkage so that I could return to the Webers if I wasn't happy with Mikunis.  Because of the shape of my extracters I had to add some extensions as The bowl of carb 4 was hitting the exhaust.  Apart from that it was pretty straight forward with the carbs being quite straight forward to tune. The throttle response is very good and although I wasn't looking for it the mpg ismuch improved over the Webers.”
       
      This of course does not help my decision process… on one hand it says to me it works! But on the other hand it makes me wonder if I should do 45s? I do believe it was a “built” engine but to what extent I don’t know. 
    • Mikuni HSR45 x 6 with ITG filters

      By Demo243 · Posted

      Gave them a try - says they haven’t done a 6 pack on a Z. But need to follow up with a few questions 
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