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    1. Kit: Tamiya/Scale-Master, by (VIP/Sponsor) ScaleMaster is online now
      Builder Last Online: Oct 2019 Show Printable Version Email this Page
      Model Scale: 1/12 Rating:  Thanks: 0
      Started: 06-02-19 Build Revisions: Never  
      Supported Attribution Scratch Built Build in Progress

      I pulled this kit from my stash on May 5, 2019; the night we got home from the GSL.

      1997 reissue of the 1970 Tamiya Lola T-70 Mk III kit. It's been patiently waiting for 22 years in my stash to be built.
      I've been researching, planning and figuring all month. (Actually I was scheming a couple days before in case I didn't find a dream deal on another Caterham kit during the show/trip.)
      It will be built as a street car T-70 replica with some modern upgrades.


      I started by cleaning up the tub and main body panels.
      Lots of filling and sanding Lola T-70 Mk III to remove the twenty inch diameter ejection pin marks in the tub alone and general parting lines. But still a nicely molded kit considering its age.


      The insides of the body also needed to be addressed for the same issues.




      Lola T-70 Mk III
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  1. ScaleMaster's Avatar VIP/Sponsor
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    Mark
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    Nov 2012
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    661
    I machined a billet aluminum water pump pulley. It's dual & deep grooved so I can run the same belt set up I have on my real car and add an alternator to this car.



    Lola T-70 Mk III
    Build what you want and build it for yourself, the rest will follow... - Mark D. Jones
    QUOTE QUOTE #107

  2. ScaleMaster's Avatar VIP/Sponsor
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    Mark
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    Here's the matching crank pulley.

    Both loosely sitting on the engine.



    Lola T-70 Mk III
    Build what you want and build it for yourself, the rest will follow... - Mark D. Jones
    QUOTE QUOTE #108

  3. ScaleMaster's Avatar VIP/Sponsor
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    Mark
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    I made some washers and bolts and added the pump shaft and set up the mounting system for the pump pulley…
    Video:
    https://i.imgur.com/hpinOnZ.mp4


    Lola T-70 Mk III
    Build what you want and build it for yourself, the rest will follow... - Mark D. Jones
    QUOTE QUOTE #109

  4. ScaleMaster's Avatar VIP/Sponsor
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    Mark
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    Nov 2012
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    661
    I installed more magnets to attach the heads to the block.

    The four holes on each head where the valve train would be are to mount the valve covers.

    I got the bellhousing I designed back from Fraxional. They did an excellent job of 3D growing it. Other than removing the supports on the face that mounts to the engine, this is how it came to me. A tiny bit of clean up is in order as it is not the higher resolution they offer. (It was provided as a "test shot" but it is good enough to use.)


    It aligns to the block with two dowel pins like the real ones.



    Lola T-70 Mk III
    Build what you want and build it for yourself, the rest will follow... - Mark D. Jones
    QUOTE QUOTE #110

  5. ScaleMaster's Avatar VIP/Sponsor
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    Mark
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    Since the exhaust port spacing on my heads is different on than the Tamiya Lola T-70 Mk III parts I had to modify the rear of the inboard tubes to meet the collectors.
    I used the header flanges I drew that were printed by Fraxional and fitted the tubes to them and the heads.



    And they are mounted into the heads with magnets…



    Lola T-70 Mk III
    Build what you want and build it for yourself, the rest will follow... - Mark D. Jones
    QUOTE QUOTE #111

  6. ScaleMaster's Avatar VIP/Sponsor
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    Mark
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    Removable front engine cover for the interior. Since the engine I'm building is larger than the kit provided item, and I'm using a dual belt pulley set-up, I had to make room for the water pump pulley.
    Before:

    After:




    Lola T-70 Mk III
    Build what you want and build it for yourself, the rest will follow... - Mark D. Jones
    QUOTE QUOTE #112

  7. ScaleMaster's Avatar VIP/Sponsor
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    Mark
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    I had Fraxional grow me a second bellhousing after I reengineered the center section where the transmission mounts to it. (Very easy to deal with this 3D printing service.)
    More magnets are used to hold these sub-assemblies together.




    Lola T-70 Mk III
    Build what you want and build it for yourself, the rest will follow... - Mark D. Jones
    QUOTE QUOTE #113

  8. JunkGTZ's Avatar VIP/Sponsor
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    Larry
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    I am curious as to the use of so many magnets in the engine. I can understand using them for opening doors, cowls, etc. but the use of them for the heads, the headers, the transaxle etc. is intriguing. I'm sure you have a reasonable explanation other than avoiding glue fumes!
    QUOTE QUOTE #114

  9. ScaleMaster's Avatar VIP/Sponsor
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    Mark
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    It's just so I can mock up the car without adhesives.
    I'm changing so many things and I need to pull measurements off various sub-assemblies to design and fabricate parts that have tight tolerances.
    It is a lot more work at this stage, but having done enough models of this caliber to me it is worth the effort and expense. And I expect it to payoff on the other end when things fit and I can make parts when I want not only when they are needed to bridge the next step. (We'll see if that actually works like I hope...)


    Lola T-70 Mk III
    Build what you want and build it for yourself, the rest will follow... - Mark D. Jones
    QUOTE QUOTE #115

  10. JunkGTZ's Avatar VIP/Sponsor
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    Larry
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    I like the reasoning behind it. My builds are not so intricate nor am I that skilled as a fabricator such that I deal with that. Enjoying this build a great deal.
    QUOTE QUOTE #116

  11. ScaleMaster's Avatar VIP/Sponsor
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    Mark
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    Thanks Larry! I'm enjoying it too!

    Since I'm not using the magneto (I'll make a distributor) I have to add an alternator. I designed a proper Delco-Remy alternator in SolidWorks and it will be printed by Fraxional.
    To make it look more realistic I made it in four main pieces. I'll machine the pulley later as well as the other hardware and electrical connectors.








    Lola T-70 Mk III
    Build what you want and build it for yourself, the rest will follow... - Mark D. Jones
    QUOTE QUOTE #117

  12. ScaleMaster's Avatar VIP/Sponsor
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    Mark
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    Now that I have the bellhousing to positively locate the engine, I can start to make the front motor mounts. Good old sheet styrene Lola T-70 Mk III fabrication…
    Front:

    Rear:

    Dry fitted:



    Lola T-70 Mk III
    Build what you want and build it for yourself, the rest will follow... - Mark D. Jones
    QUOTE QUOTE #118

  13. ScaleMaster's Avatar VIP/Sponsor
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    Mark
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    Once I mocked up the heads with the headers on the engine in its final orientation due to the motor mounts I could see the headers should have a little more clearance around the rear shock upper mounting points. They fit, but I wouldn't want the heat from them on a real car.
    I used a metal wedge and a hair dryer to bend the pipes.
    I had to replace the header flanges too, luckily Fraxional provided me with a second set before I decided to make this change.
    I also had to lengthen the inboard pipes on both headers with some Plastruct tubing.





    Lola T-70 Mk III
    Build what you want and build it for yourself, the rest will follow... - Mark D. Jones
    QUOTE QUOTE #119

  14. ScaleMaster's Avatar VIP/Sponsor
    Name
    Mark
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    Nov 2012
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    661
    Rear hub carriers. Step one, remove the brake calipers.




    Lola T-70 Mk III
    Build what you want and build it for yourself, the rest will follow... - Mark D. Jones
    QUOTE QUOTE #120

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