Upgrading A/C and Radiator While I'm In There | Page 4 | FerrariChat

Upgrading A/C and Radiator While I'm In There

Discussion in '308/328' started by Ferraridoc, Oct 20, 2019.

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  1. Ferraridoc

    Ferraridoc F1 World Champ
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    #76 Ferraridoc, Nov 12, 2019
  2. Ferraridoc

    Ferraridoc F1 World Champ
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    #77 Ferraridoc, Nov 12, 2019
    I've spaced the fans out with corrugated cardboard. I will most likely use a rubber U channel moulding on the edge of the fan shroud, which will free up another couple of mm

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  3. Aircon

    Aircon Ten Time F1 World Champ
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    #78 Aircon, Nov 12, 2019
    Good job
     
  4. Ferraridoc

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    #79 Ferraridoc, Nov 12, 2019
  5. Ferraridoc

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    #80 Ferraridoc, Nov 12, 2019
    Ta. Long way to go, but getting there.
     
  6. Dr Tommy Cosgrove

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    #81 Dr Tommy Cosgrove, Nov 13, 2019
    Where are those available?
     
  7. Ferraridoc

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    #82 Ferraridoc, Nov 13, 2019
    ebay
     
  8. MFlanagan

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    #83 MFlanagan, Nov 13, 2019
  9. MFlanagan

    MFlanagan Karting

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    #84 MFlanagan, Nov 13, 2019
  10. Ferraridoc

    Ferraridoc F1 World Champ
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    #85 Ferraridoc, Nov 13, 2019
  11. Ferraridoc

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    #86 Ferraridoc, Nov 13, 2019
    That appears to be the same board, but the casing is different, and it has a cooling fan - very flash! My casing is simply perforated metal. Once mounted, I may run a little duct to it from the a/c.
    Edit: actually, it's also a slightly different board, but it doesn't matter, so long as the specs are the same. The ad has some similar products listed underneath - it's one of those.
     
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  12. Saabguy

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    #87 Saabguy, Nov 14, 2019
    Regarding the seal for the dash vents, did you consider something other than foam? I was thinking about a rubber door seal instead. Yes, Ferrari used foam but we aren't under the same budget constraints that they were. If it costs $10 more it won't break the bank.

    Lester

    Nice work BTW!

    [QUOTE="Ferraridoc, post: 146869552, member: 119018"

    snip

    You can also see the seal I made for the three dash vents, hanging over the steering wheel

    View attachment 2842672

    Sent from my SM-N920I using FerrariChat.com mobile app[/QUOTE]
     
  13. Ferraridoc

    Ferraridoc F1 World Champ
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    #88 Ferraridoc, Nov 14, 2019
    [/QUOTE]
    It has to be fairly soft, because, IIRC, the gap gets narrower, so it ends up a wedge shape. It will also dislodge when you slide the dash back on, so will need a bit of judicious poking and prodding through the vent holes to get it seated properly.
     
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  14. Ferraridoc

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    #89 Ferraridoc, Nov 14, 2019
  15. Ferraridoc

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    #90 Ferraridoc, Nov 21, 2019
    Trial fitting bottom brackets. Together with the cross member, they form a saddle which cradles the bottom tank. There will be thin closed cell foam padding added before final installation.
    The radiator is perfectly square, but there isn't a straight line or right angle to be seen on the chassis. It's going to take a bit of fiddling to get it to sit nicely.

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  16. Ferraridoc

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    #91 Ferraridoc, Nov 21, 2019
  17. Saabguy

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    #92 Saabguy, Nov 21, 2019
    Fan speed pot?
     
  18. Ferraridoc

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    #93 Ferraridoc, Nov 21, 2019
    Sorry, should have been clearer - yes, the fan speed pot. Actually, I just realised that the on-off switch also powers the compressor circuit, so need to rig that up somehow.
     
  19. Crowndog

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    #94 Crowndog, Nov 21, 2019
    Depending on the value of that pot there are a ton of stereo volume pots with on/off switches attached . Great work!
     
  20. Ferraridoc

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    #95 Ferraridoc, Nov 21, 2019
    It's a 100K pot, and it has an attached switch, but that switches the PWM on and off, so will be a board voltage of 5V. I need a separate 12V switch to power the a/c compressor circuit. It does have 4 contacts, so hopefully a DPST switch, which will solve my dilemma.
     
  21. Crowndog

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    #96 Crowndog, Nov 21, 2019
    Through a relay I assume. That switch won’t handle much current.
     
  22. Ferraridoc

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    #97 Ferraridoc, Nov 22, 2019
  23. kcabpilot

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    #98 kcabpilot, Nov 22, 2019
    I'd like to replace that AC fan speed selector, it is such a cheesy switch. Even the sound it makes when you turn it screams out CHEAP!!
     
  24. Ferraridoc

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    #99 Ferraridoc, Nov 22, 2019
    You have to replace the switch and the resistor pack if you're going to go down the electronic route
     
  25. Ferraridoc

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    #100 Ferraridoc, Nov 24, 2019
    Welded in top and bottom brackets. In primer. Some black paint next, and then trial fitting the radiator with fans and condenser attached. I've already tried it, and it's a very tight fit. I want it to be serviceable in future - I won't always have this level of access.
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