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Old 07-22-2012, 08:36 PM   #1
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Default Button Clutch 4.5 Inch Quarter Master

Like the title says, here are a few pics of the clutch setup in my F Prod Miata
It is a 4.5 inch twin disk Quarter Master and a Miata flex plate for starter duties, the throw out bearing is a internal slave Tilton unit.

Saving rotational mass is a must when you have low hp and tq, I wonder if this kind of setup would work for FI cars.

I am running a Quaife Seirra dog box the spline count is 23 on the input shaft. Im not sure if Quarter Master has a friction disk that fits a stock Miata input shaft but it would be easy to find out.

Here are a couple of pics






The car was on truck tires for the first race, I was running BFG r1s's as a
tire test, the tires were 225 50 15, I am now on proper Hoosier slicks and
have the ride height down were it should be.
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Button Clutch 4.5 Inch Quarter Master-imag0574.jpg   Button Clutch 4.5 Inch Quarter Master-imag0578.jpg   Button Clutch 4.5 Inch Quarter Master-0032012rberrington_02.jpg   Button Clutch 4.5 Inch Quarter Master-0032012rberrington_01.jpg   Button Clutch 4.5 Inch Quarter Master-imag0577.jpg  

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Old 07-22-2012, 08:48 PM   #2
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geez, talk about hardcore
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Old 07-23-2012, 05:57 PM   #3
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And I thought my tilton twin 5.5 was radical.
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Old 07-23-2012, 09:50 PM   #4
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Can you still drive it onto a trailer?
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Old 07-23-2012, 10:40 PM   #5
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Quote:
Originally Posted by Savington View Post
Can you still drive it onto a trailer?
does not count if with starter.
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Old 07-23-2012, 10:54 PM   #6
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Quote:
Originally Posted by y8s View Post
does not count if with starter.
I was gonna say pull start.

lawlz
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Old 07-23-2012, 11:25 PM   #7
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It's so cute!!!
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Old 07-23-2012, 11:33 PM   #8
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Quote:
Originally Posted by Savington View Post
Can you still drive it onto a trailer?
Any good trailer should have a winch on the front. No reason to burn ANY clutch riding it up the trailer.
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Old 07-24-2012, 02:56 AM   #9
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Quote:
Originally Posted by chpmnsws6 View Post
Any good trailer should have a winch on the front. No reason to burn ANY clutch riding it up the trailer.
I agree, which is why I don't burn the clutch. If I did, I think I would have noticed by now - I've been driving cars on and off flatbed trailers for 2+ years now.
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Old 07-24-2012, 03:37 AM   #10
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It can driven into/on a trailer but i prefer to winch it on, 1st gear is good to 57-58mph so it is hard on the clutch but doable. Moving the car in the paddock is tricky but can be done w/o abusing the clutch. It took a while to learn how to gently get the car moving under its own power for paddock driving, nothing like having a car that makes you look like a noob every time you get in it.
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