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Thread: atc70 build thread

  1. #1
    Join Date
    Mar 2018
    Location
    Halifax, NS
    --
    34

    atc70 build thread

    Hi,
    I have just joined the forum. My first post in New Member welcome area being done, I will start my build thread here.
    The restoration will be quite simple, rolling chassis restoration at this time and simple cleaning of the engine for now. The engine and gearbox seem to be going well so I won't open them up yet.
    The end game is not a showroom atc but one that looks good and that the kids can use. I also intend to make an attachment for a garden kart and take it to the track to cart around tires and tools between the pits and the paddocks.
    I picked up the atc70 a little while back and this weekend is sandblasting weekend. I will do the chassis, axle tubes, front fork and all the steel that will see por15 protection and then top coat.
    I will also take the wheels apart, and restore them before re-installing the new tires that are already there.
    I am looking for a metal tank though. If anybody has one, let me know!
    Pictures will come but here is what it looks like now.
    Cheers
    David



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  2. #2
    Join Date
    Jun 2010
    Location
    Cold Lake, Alberta, Canada
    --
    3,001
    Hi David. It's a miracle you found one these days, nice! If you're not familiar with these things one very common ailment is a bent frame near the steering neck. It's easy to fix if yours suffered the same fate. Put a straight edge from the steering head along the top of the backbone and look for daylight; if there's none you win! If it's bent, report back and we'll get you sorted out in no time.

    Pete
    Trikes
    1970/71 US 90 (Aquarius Blue)
    1970/71 US 90 (Future Project)
    1972/73 US 90 Camo Project (110 Big Bore)
    1972/73 US 90 Green
    1977 ATC 90 w/83 110 motor (Fugly)
    1982 ATC 70
    1983 ATC 70 (Ladybug)
    1973 ATC 70

    1965 Marketeer 3 Wheel Golf Cart with 1986 Honda 250 drivetrain

    TF 2015

    Other
    1983 Honda Z50
    1978 Honda XL75

    Feedback http://www.3wheelerworld.com/showthr...ck-for-coopool
    http://www.3wheelerworld.com/showthr...k-for-coolpool

  3. #3
    Join Date
    Mar 2018
    Location
    Halifax, NS
    --
    34
    Excellent! Thanks for the tip. I’ll take a look tomorrow as more sand blasting occurs. Cheers
    David

  4. #4
    Join Date
    Jun 2010
    Location
    Cold Lake, Alberta, Canada
    --
    3,001
    If there was a front fender on it the most obvious sign are burn holes or signs of rub marks on the back of it.
    Trikes
    1970/71 US 90 (Aquarius Blue)
    1970/71 US 90 (Future Project)
    1972/73 US 90 Camo Project (110 Big Bore)
    1972/73 US 90 Green
    1977 ATC 90 w/83 110 motor (Fugly)
    1982 ATC 70
    1983 ATC 70 (Ladybug)
    1973 ATC 70

    1965 Marketeer 3 Wheel Golf Cart with 1986 Honda 250 drivetrain

    TF 2015

    Other
    1983 Honda Z50
    1978 Honda XL75

    Feedback http://www.3wheelerworld.com/showthr...ck-for-coopool
    http://www.3wheelerworld.com/showthr...k-for-coolpool

  5. #5
    Join Date
    Mar 2018
    Location
    Halifax, NS
    --
    34
    Is this what you mean? Yes there were rub marks on the front fender frlm rubbing on the front of the engine. Click image for larger version. 

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  6. #6
    Join Date
    Mar 2018
    Location
    Halifax, NS
    --
    34
    I just saw the youtube video to straighten it.

  7. #7
    Join Date
    Jun 2010
    Location
    Cold Lake, Alberta, Canada
    --
    3,001
    Yes that one is tweaked a bit. I'm not sure you'll be able to see my post in the main forum area but I've included the link just the same. Basically I stand the frame on its arse, place a 4 x 4 piece of timber where the air box should be then put a 3 ton bottle jack up against the steering head under the frame; jack away until it's straight! I went slightly over to compensate for spring back.
    http://www.3wheelerworld.com/showthr...ghlight=atc+70
    Trikes
    1970/71 US 90 (Aquarius Blue)
    1970/71 US 90 (Future Project)
    1972/73 US 90 Camo Project (110 Big Bore)
    1972/73 US 90 Green
    1977 ATC 90 w/83 110 motor (Fugly)
    1982 ATC 70
    1983 ATC 70 (Ladybug)
    1973 ATC 70

    1965 Marketeer 3 Wheel Golf Cart with 1986 Honda 250 drivetrain

    TF 2015

    Other
    1983 Honda Z50
    1978 Honda XL75

    Feedback http://www.3wheelerworld.com/showthr...ck-for-coopool
    http://www.3wheelerworld.com/showthr...k-for-coolpool

  8. #8
    Join Date
    Mar 2018
    Location
    Halifax, NS
    --
    34
    Thanks for that, I just went and saw your thread. Will do that this weekend. I thought I would have to buy a bottle jack but I think my old Land Rover Discovery has one in the engine compartment

  9. #9
    Join Date
    Mar 2018
    Location
    Halifax, NS
    --
    34
    Alright! I spent most of Sunday sandblasting the chassis parts and the wheel halves. I think next will be por-15 on the chassis, then black top coat. Front fork will get primer and red automotive paint (once I figure out how to use a real paint gun).
    Chassis will also get straightened next week once I’m back from a small business trip.
    The plastics were painted so I will try the permatex paint stripper spray. I saw on youtube (it must be true) that it diesn’t harm plastics. I will need a front fender too. I’m still looking for a tank

    Click image for larger version. 

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  10. #10
    Join Date
    Jun 2010
    Location
    Cold Lake, Alberta, Canada
    --
    3,001
    I've seen quite a few different opinions on how to coat over POR with some saying you can't and others saying you can; do you have a sure fire method?
    Trikes
    1970/71 US 90 (Aquarius Blue)
    1970/71 US 90 (Future Project)
    1972/73 US 90 Camo Project (110 Big Bore)
    1972/73 US 90 Green
    1977 ATC 90 w/83 110 motor (Fugly)
    1982 ATC 70
    1983 ATC 70 (Ladybug)
    1973 ATC 70

    1965 Marketeer 3 Wheel Golf Cart with 1986 Honda 250 drivetrain

    TF 2015

    Other
    1983 Honda Z50
    1978 Honda XL75

    Feedback http://www.3wheelerworld.com/showthr...ck-for-coopool
    http://www.3wheelerworld.com/showthr...k-for-coolpool

  11. #11
    Join Date
    Mar 2018
    Location
    Halifax, NS
    --
    34
    I built a top for a M101cdn trailer to make an expedition trailer and the top is all welded sheet metal. I put two coats of por15 on there and then sanded it a bit once dry and applied top coat. The por15 instructions say we have to top coat otherwise it will turn grey due to UV.

  12. #12
    Join Date
    Jun 2010
    Location
    Cold Lake, Alberta, Canada
    --
    3,001
    Quote Originally Posted by Roby466 View Post
    I built a top for a M101cdn trailer to make an expedition trailer and the top is all welded sheet metal. I put two coats of por15 on there and then sanded it a bit once dry and applied top coat. The por15 instructions say we have to top coat otherwise it will turn grey due to UV.
    Yes it'll get UV pooched pretty quick, sounds like it'll work! M101CDN2 to be exact, lol! I happen to have a 1953 M100 Cdn, a 1951 M100 US Army and a 1947 T3-C Bantam. Trying to sell the Bantam at the moment but no dice! I thought one of the off road expedition types would want it?
    Trikes
    1970/71 US 90 (Aquarius Blue)
    1970/71 US 90 (Future Project)
    1972/73 US 90 Camo Project (110 Big Bore)
    1972/73 US 90 Green
    1977 ATC 90 w/83 110 motor (Fugly)
    1982 ATC 70
    1983 ATC 70 (Ladybug)
    1973 ATC 70

    1965 Marketeer 3 Wheel Golf Cart with 1986 Honda 250 drivetrain

    TF 2015

    Other
    1983 Honda Z50
    1978 Honda XL75

    Feedback http://www.3wheelerworld.com/showthr...ck-for-coopool
    http://www.3wheelerworld.com/showthr...k-for-coolpool

  13. #13
    Join Date
    Mar 2018
    Location
    Halifax, NS
    --
    34
    You’re right... 101cdn2.
    You would think some expedition type would want it. Especially in Alberta, the expedition scene is quite good there.
    Plan for mine is roof top tent and storage inside for now and later I might build in kitchen stuff.

  14. #14
    Join Date
    May 2009
    Location
    S.E. Michigan
    --
    1,250
    Another way to top-coat POR15 other than waiting for it to cure and then scuffing it down is to catch it when it is still tacky during the drying process. I cleaned up and coated the axle on my snowmobile trailer this way. The instructions gave better details, but basically after the 2nd coat has cured a bit, but is still tacky, you lightly dust it with primer (I used Rustoleum spray primer). The key was a very light coat.

    I just looked on their site, and I can't find anything about this method of topcoating, but I know I read it in the instructions somewhere.

    At any rate, once I hit it with the light primer coat I let it cure. Then I applied the final coat of paint on top. The primer bonded with teh still somewhat uncured POR15 to provide a bond for the final topcoat.

    The axle is holding up really nicely after 3 winters of use.
    - Frank

    1984 200ES Big Red
    1985 350X (x2)
    1986 350X
    1986 250SX
    1984 Auto-X
    1984 ATC70
    1985 ATC70

  15. #15
    Join Date
    Mar 2018
    Location
    Halifax, NS
    --
    34
    Nice! I’ll give that a try I think. I’ll try a 2 part primer as I have an old paint gun I want to try for this project

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