S550 HPDE Prep - Need advice

Discussion in 'GT350 and S550 Technical Forum' started by Wotfun, Oct 2, 2017.

  1. gtorpedo

    gtorpedo TMO Advanced

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    If you want to go that route instead ill send the FTB supplied adapters. Just pay me shipping. [​IMG]


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  2. Wotfun

    Wotfun TMO Advanced

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    For connecting 3” hose to the fog light opening, I used 4” to 3” galvanized ducting I found at Lowes. The plastic bracket that supports the fog light works perfectly to support the duct work. (Though I did have to get longer screws to attach the fog light brackets.)

    The other parts in the picture are aluminum flanges and high temp hose sourced from Aircraft Spruce. (Clamps were from Lowes and/or local hardware store.)

    7ED5941C-12BF-4919-9456-E536888E789A.jpeg
     
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  3. Competition Orange

    Competition Orange TMO Advanced

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    If he doesn't want them I'll take them. Thanks.
     
  4. Wotfun

    Wotfun TMO Advanced

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    Not sure if you’re referring to me...but, I really appreciate the offer of the extra parts. Based on advice several folks offered, I’m gonna pursue connecting my duct hose to the front grill instead of the fog light openings.
     
  5. Wotfun

    Wotfun TMO Advanced

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    @Competition Orange, if you’ve figured out how to run the 3” hose from the fog light opening on the passenger side, without the windshield washer reservoir interfering, I’d love hear/see how you did it.
     
  6. JDee

    JDee Ancient Racer

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    I'm just trying to see what folks are doing and how they're doing it. I'm leaning toward the "fog lights" opening since I never use them and it'd get rid of a couple of useless (to me) articles to make room for a useful article.
     
  7. Wotfun

    Wotfun TMO Advanced

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    That was my thought too. But, after installing the ducts from the fog lights, I found it worked find in the driver side and the windshield washer reservoir is in the way on the passenger side. Tomorrow, I’ll be looking at mounting the air intakes on the lower grill. Others here said that avoids the windshield washer reservoir issue. If that works out, I’ll leave reservoir and reinstall the fog lights. One way or another though, I’ll have brake cooling in time for an HPDE at VIR Easter weekend.
     
  8. JDee

    JDee Ancient Racer

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    Interesting. Keep us posted if you don't mind.
     
  9. Competition Orange

    Competition Orange TMO Advanced

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    I haven't hosted a picture since Photobucket screwed everyone, but I'll try to get a couple pics this weekend. It's going on stands to get suspsension refreshed.
     
  10. VoodooBoss

    VoodooBoss Rick Moderator

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    You can upload photos directly to TMO by using the Upload a File button.
     
  11. Wotfun

    Wotfun TMO Advanced

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    Hey guys. Brake ducts are done. I snapped a bunch pictures; will try post the most relevant soon. Currently making a gas pedal cover that’ll let me adjust the space between the brake and gas for blipping the throttle. Will post some pics of that too.

    Question: HPDE is less than two weeks out. Still need to flush brake fluid. Can’t find Motul locally and even the nearest race shop is out of stock. Found Pentosin super dot 4 at Advance Auto. Boiling points are higher than stock fluid but a little lower than Motul. Has anyone used the Pentosin? Any concerns about using in S550 gt?

    I appreciate your input.
     
  12. Wotfun

    Wotfun TMO Advanced

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    I just found ATE locally. Dry boiling point is higher than Pentosin and local Porsche club guys like it so that’s what I’m going with this time.
     
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  13. JDee

    JDee Ancient Racer

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    It's my understanding that Pentosin Super Dot 4 is the OEM fill for Mustangs. At least some parts suppliers promote it that way.
     
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  14. Wotfun

    Wotfun TMO Advanced

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    Thanks JDee. That’s helpful to know!
     
  15. DocWalt

    DocWalt TMO Advanced

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    I believe the current Ford fluid is Pentosin DOT4 LV fluid. The specs appear to be nearly identical. ~505 degree F boiling point. Not terrible.
     
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  16. Wotfun

    Wotfun TMO Advanced

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    It’s nice that Ford put a higher temp brake fluid in from the factory. (Of course the owners manual specifies “Motorcraft” brand brake fluid.)
     
  17. RES_22

    RES_22 Rob

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    Check the wet bp. It will determine when any water entrained in the fluid boils... and subsequently causes your blood to do the same lol.
     
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  18. Wotfun

    Wotfun TMO Advanced

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    :cool: Agreed. I guess that’s why people recommend changing the fluid often.
     
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  19. Wotfun

    Wotfun TMO Advanced

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    @JDee, you asked me to keep you posted Re my brake cooling efforts...

    I used a hole saw and then dremel to cut out the outer sections of my lower grill - dirty looking stuff is plastic “sawdust”:
    B7CBEB58-FA15-4E4A-BAAB-7DEAAE9C70DF.jpeg

    I cut and bent aluminum flanges to mate up with the back side of the grill openings. The flange on the left is what I started with:
    0FA69D54-469D-46B9-80D4-71F4BAEA7EAE.jpeg

    This is how it fits - not perfect, but close enough:
    13291B20-335F-46BF-A359-B26DF2121E58.jpeg

    I ran small bolts from inside the plastic part (on back of the grill opening) thru flat tabs I made on flanges and attached cheaper low temp hose:
    D98D4F26-01E7-4E82-8F3E-59099F2749D9.jpeg

    Routing it like this clears the windshield washer reservoir. You can see that I used more flanges to connect low temp ducting to high temp (orange silicone). Doing it this way will allow me to replace the section of duct that’s subjected to rubbing/wear, without having to remove all the plastic under the car and I don’t think I’ll need to take the wheel well liner loose either:
    25C6528D-0AAA-4547-BAAE-BE33F657E896.jpeg
     
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  20. Wotfun

    Wotfun TMO Advanced

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    I painted the part of the aluminum flange that’s visible from the front of the grill. With the flanges painted black and the black duct/hose, it’s barely visible after installing. But, you can see from the picture that the flange doesn’t match up perfectly with the opening:
    AF919360-A8A0-45BC-9312-D9561DB8E957.jpeg
     
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