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Thread: MkIV Radiator - w/ Angled Inlet/Outlet - install angle relative to chassis

  1. #1
    Senior Member Fixit's Avatar
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    MkIV Radiator - w/ Angled Inlet/Outlet - install angle relative to chassis

    Starting to mock up the radiator installation, and "hold the bottom up with zip-ties" (!!) just isn't gonna cut it.

    I'd like to make up a "real" lower edge mount, that will be independent of the tin that attaches to the bodywork at final assembly.

    Question is:
    Does the "plane" of the radiator follow the angle that the small 3/4" upper mounting tubes are set at?
    This angle appears to be about 45 degs.
    John D. - Minneapolis 'Burbs

    1965 El Camino - LT-1, 4L60e, 4wh discs, SC&C susp.
    2013 F-150 Platinum - Twin Turbo 3.5
    2018 Mk4 Roadster w/ Coyote - #9365 - Build Thread Delivery 7/3/18, 1st Start 1/4/19, 1st Road Mile 5/5/19, Legal 6/18/19, In Paint 2/25/21, Done (?) 4/2021

  2. #2
    Papa's Avatar
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    The radiator should be at 51 degrees to allow the provided radiator aluminum panels to fit. Breeze makes an upper hinge to allow for flexible and secure mounting at the top and then a lower support as well.
    My Build Thread: http://thefactoryfiveforum.com/showt...ter-Build-9754
    (Most viewed Roadster build thread on this forum!)

    Delivered: 6/17/2017
    First Start: 12/30/2017
    Completed: 12/7/2019
    Legal: 1/30/2020

    Member of the Mile-Hi Cobra Club
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  3. #3
    Senior Member cnutting's Avatar
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    Breeze makes a really nice upper and lower mount.
    FFR #8833 289 FIA 3-link
    1965 289, TKO600 from Forte's Parts Connection
    Body and Paint by Mike's Auto Restoration
    Picked up 3/5/2016, First start 4/22/2017, MA legal 7/11/2018
    Build Thread http://thefactoryfiveforum.com/showt...FIA-build-8833
    "Insanity is contagious" - Joseph Heller

  4. #4
    Administrator David Hodgkins's Avatar
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    Hi John,

    The zip ties do a fine temporary job until the lower aluminum is riveted in and holds the lower rad in place.

    That said, many (including myself for 2 builds and the gentlemen above) install a piano hinge on top and an adjustable lower mount from Breeze.

    HTH,


    FFR 5369 Pin Drive, IRS, Trigos, Torsen, Wilwoods, FMS BOSS 302 "B" cam , Mass-flo. CA SB100 (SPCN) Registered
    Delivered 4/23/06. "Finished" 4/2012 (still not done!)


  5. #5
    Senior Member Fixit's Avatar
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    Thanks for the input guys...
    I just looked at Breeze. Their lower mount is very similar to what I've come up with on my own. I will do the piano hinge mod as well.

    I'm mocking up my upper & lower radiator hoses and puke tank. It's somewhat difficult to get proper hose & pipe lengths with the bottom of the radiator flapping around on zip-ties, hence the angle & mount questions.

    I intend to use a combination of pre-molded hoses and some stainless tubing, (The flex hose thing isn't happening) so I need the pieces in very close to final location.
    John D. - Minneapolis 'Burbs

    1965 El Camino - LT-1, 4L60e, 4wh discs, SC&C susp.
    2013 F-150 Platinum - Twin Turbo 3.5
    2018 Mk4 Roadster w/ Coyote - #9365 - Build Thread Delivery 7/3/18, 1st Start 1/4/19, 1st Road Mile 5/5/19, Legal 6/18/19, In Paint 2/25/21, Done (?) 4/2021

  6. #6
    Papa's Avatar
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    Quote Originally Posted by Fixit View Post
    Thanks for the input guys...
    I just looked at Breeze. Their lower mount is very similar to what I've come up with on my own. I will do the piano hinge mod as well.

    I'm mocking up my upper & lower radiator hoses and puke tank. It's somewhat difficult to get proper hose & pipe lengths with the bottom of the radiator flapping around on zip-ties, hence the angle & mount questions.

    I intend to use a combination of pre-molded hoses and some stainless tubing, (The flex hose thing isn't happening) so I need the pieces in very close to final location.
    For the hoses, have you looked at Boig's Cool Tubes?
    My Build Thread: http://thefactoryfiveforum.com/showt...ter-Build-9754
    (Most viewed Roadster build thread on this forum!)

    Delivered: 6/17/2017
    First Start: 12/30/2017
    Completed: 12/7/2019
    Legal: 1/30/2020

    Member of the Mile-Hi Cobra Club
    Dave's Cobra YouTube Channel: https://www.youtube.com/channel/UCbk...npK1UZHj4R-bYQ
    Agora 1:8 Scale Cobra Build: https://thefactoryfiveforum.com/show...l-Build-Thread

  7. #7

    Steve >> aka: GoDadGo
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    Fixit,

    You can't go wrong with Mark's stuff and consider getting his fan shroud if you don't already have it.
    Also, I made my own radiator mounting system, but please know that it was Mark Reynolds Inspired!
    I used used his shroud which now totally supports the radiator which you can see below:

    https://youtu.be/PCngiKoopkA

    Also, his seat brackets are dynamite too with the perfect angle for me and Mrs. Go-Dad.

    Good Luck From The Dark Dart Side!

    Steve

  8. #8
    Administrator David Hodgkins's Avatar
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    Quote Originally Posted by Papa View Post
    For the hoses, have you looked at Boig's Cool Tubes?




    I replaced my flex hose with Boig's Cool Tubes and am very happy I did! My older style rad lower opening is not bent like the new ones and the flex tubing was hitting the top of the tow hook but the new one misses it by a good 1/2".


    FFR 5369 Pin Drive, IRS, Trigos, Torsen, Wilwoods, FMS BOSS 302 "B" cam , Mass-flo. CA SB100 (SPCN) Registered
    Delivered 4/23/06. "Finished" 4/2012 (still not done!)


  9. #9
    Senior Member cnutting's Avatar
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    "Gentlemen"?!?

    I thought this was a family friendly site...

    Ditto on the cool tubes btw...
    FFR #8833 289 FIA 3-link
    1965 289, TKO600 from Forte's Parts Connection
    Body and Paint by Mike's Auto Restoration
    Picked up 3/5/2016, First start 4/22/2017, MA legal 7/11/2018
    Build Thread http://thefactoryfiveforum.com/showt...FIA-build-8833
    "Insanity is contagious" - Joseph Heller

  10. #10
    Senior Member Fixit's Avatar
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    Yup... already have Mark's fan shroud & seat mounts.

    I'm running a Coyote, so the hoses are a bit weird (one has a 1-1/2" quick-connect on it). I've got access to some 1-1/2" stainless tubing from a buddy's scrap bin (muffler shop), so I'll come up with something for the hard pipes.
    John D. - Minneapolis 'Burbs

    1965 El Camino - LT-1, 4L60e, 4wh discs, SC&C susp.
    2013 F-150 Platinum - Twin Turbo 3.5
    2018 Mk4 Roadster w/ Coyote - #9365 - Build Thread Delivery 7/3/18, 1st Start 1/4/19, 1st Road Mile 5/5/19, Legal 6/18/19, In Paint 2/25/21, Done (?) 4/2021

  11. #11
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    I used all the Breeze stuff on mine. Great quality and made the installation and adjustment very easy.
    Chuck Krueger
    MK4 Kit - Picked up 4/5/14, Complete Kit, 3-Link, Wilwood upgrade, Coyote, TKO 500, First Start 7/25/15
    2000 C5
    2003 C5 Z06
    2007 C5 Z06

  12. #12
    Senior Member John4337's Avatar
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    X’s whatever it is for Breeze, excellent products.

    John
    FFR #7388 - Mk 4 Complete Kit w/ IRS, Ordered 10/21/10, Delivered 12/8/10. 302 with FiTech and Under Car Exhaust, Heat & A/C, Rod Top. Hard top and shop built side curtains added 2023.

  13. #13
    Senior Member phileas_fogg's Avatar
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    Don’t sweat the radiator angle too much. If you use the F5-provided radiator aluminum, you’ll likely find that the left side piece puts the radiator at a different angle than the right side, & you’ll remake one or both pieces to match the radiator. If you use the Mike Everson piece, you’ll trim it to match whatever angle you settle on.

    The important thing is to keep the radiator hose from rubbing the tow hook. I ground nearly 1/2” off my tow hook to get the clearance I wanted.


    John

    P.S. The Breeze radiator pieces, especially the lower mount & fan shroud, can’t be beat!
    MK IV Roadster #8631
    Ford 302, Holley Terminator EFI, T5z, 3.55 Rear End, IRS, 17” Halibrand Replicas (9” front, 10.5” rear), Nitto 555 G2’s (275/40ZR17 front, 315/35ZR17 rear), Fast Freddie’s Power Steering, F5 Wilwood Brakes, FFMetal’s Firewall Forward, Forte’s Hydraulic Clutch & Throttle Linkage
    https://www.ffcars.com/threads/phile.../#post-4776313

  14. #14
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    Breeze radiator mounts work well..!

  15. #15
    25th Anniversary #9772 toadster's Avatar
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    I am setting up the radiator - I have the top mounted, but where do I measure 58-degrees from? the hinge?

    IMG_0709.jpg IMG_0727.jpg

    PS - I'm going to use the replicaparts panels so it's recommended to go 58-deg instead of the stock 51-degees.
    Todd
    25th Anniversary MkIV | #20 of 25 | Build #9772
    https://cobradreams.com/ <- my build!

  16. #16
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    With my frame level, I took the angle off the face of the radiator.
    20th Anniversary Mk IV, A50XS Coyote, TKO 600, Trunk Drop Box, Trunk Battery Box, Cubby Hole, Seat Heaters, Radiator hanger and shroud.

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  18. #17
    25th Anniversary #9772 toadster's Avatar
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    Quote Originally Posted by Railroad View Post
    With my frame level, I took the angle off the face of the radiator.
    thx, I'll have to maybe get a level at HD or something, the iphone level tool is pretty quirky, almost goes totally horizontal to get 58 degrees reading... :S
    Todd
    25th Anniversary MkIV | #20 of 25 | Build #9772
    https://cobradreams.com/ <- my build!

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