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Does your pedal assembly and master stick through the floor?

Discussion in 'Brakes' started by raidmagic, Mar 5, 2022.

  1. raidmagic

    raidmagic
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    My pedal assembly and master will stick through the floor if I match it to the bottom of the frame. Should I let it hang below the frame? It has to sit outside the frame. Not a lot of room there. You can see how much higher the master is than the bracket.
    Screenshot_20220305-124604_Gallery.jpg Screenshot_20220305-124610_Gallery.jpg
    Screenshot_20220305-125207_Gallery.jpg
     
    #1 raidmagic, Mar 5, 2022
    Last edited: Mar 5, 2022
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  2. HenrysT

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    Where did you get that brake pedal assembly?
     
  3. raidmagic

    raidmagic
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    RPM
     
  4. T-Test

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    It mounts on the inside of frame and the pedal on the. right side of the coloum.

    Unless you are w/o right leg or it's a rhd car.

    The top of the m/c should be just below the floor and a swivel plate to cover it.
     
  5. raidmagic

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    It's still going to be too tall to mount like that. I also have concerns about room between the gas and brake if I mount it there.
     
  6. old round fart

    old round fart
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    That looks very low. It is not below the scrub line is it? I would try to have the pivot as close to floor level as possible to limit air hole in floor.
     
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  7. 409T

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    Can you flip the whole thing upside down and mount it to the firewall with the firewall sandwiched between the pedal mount and the master cylinder?
     
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  8. T-Test

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    Buy a GM m/c from Speedway or RPM .
    I don't know what kind your's is, but I wouldn't use it.

    Do watch the scrubline ( look in frames and brakes section). The steering box is close to it. Larger rims in front can solve that, but may make you to make other changes.
     
  9. raidmagic

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    This is from RPM
     
  10. raidmagic

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    I don't want it on the firewall.. I bought the under floor mount. I'm gonna see if he has any pics of how he mounts them
     
  11. raidmagic

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    I don't want it on the firewall.. I bought the under floor mount. I'm gonna see if he has any pics of how he mounts them
     
  12. Neshkoro

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    I would be more concerned with the steering box hanging so low. The master cylinder could be mounted just below the floor with an access hole to service it.
     
  13. raidmagic

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    That's the way it came from RPM. I bought their frame prewelded.
     
  14. Neshkoro

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    Wow. From the picture it looks like it’s pretty near the ground already with full tires. Somewhere on this site they recommend having enough clearance to roll a softball under the car. Maybe the picture is deceiving!
     
  15. Spanky

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    Here's a pic of what RPM uses for brake MC and pedal:

    T brake cyl.jpg
     
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  16. raidmagic

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    Ok got with Ron this morning. It was a shipping error and I got the one for a firewall mount. He's going to send me the right one.

    I'm not of the opinion it's too low. I've seen much lower

    Screenshot_20220307-095900_Gallery.jpg
     
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  17. T-Test

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    Not talking about the car being too low, talking about anything that is lower than the bottom of the rims if you have a flat tire. That is the scrubline, meaning if you have a flat tire, nothing on the car will touch the pavement.

    Look in tech section here and NTBA Forum and Speedway use to have pictures in their catalogs.
     
    #17 T-Test, Mar 7, 2022
    Last edited: Mar 7, 2022
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  18. Neshkoro

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    It’s not a problem unless you encounter a speed bump or a steep drive way or some other bump in the road. Or get a flat tire as T Test said. When I first put my bucket together I had to add a couple of leaves to the front leaf spring just to back out of my garage without something rubbing. Just saying.
     
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  19. Kevinrevin

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    The scrub test I used for the racecars was to make sure nothing but the wheels touched the floor - tested with the car on 4 wheels without tires. Crossmember had about 1/4", (only because we didn't want to do the work to go lower).
     
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  20. Neshkoro

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    It’s a crapshoot if you’ll ever have a problem. If something does happen, all you need is a tow truck and a boatload of cash and you’re good to go!
     

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