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-   -   Button Clutch 4.5 Inch Quarter Master (https://www.miataturbo.net/race-prep-75/button-clutch-4-5-inch-quarter-master-67348/)

hingstonwm 07-22-2012 07:36 PM

Button Clutch 4.5 Inch Quarter Master
 
10 Attachment(s)
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
https://www.miataturbo.net/attachmen...ine=1343000207
https://www.miataturbo.net/attachmen...ine=1343000207
https://www.miataturbo.net/attachmen...ine=1343000207
https://www.miataturbo.net/attachmen...ine=1343000207
https://www.miataturbo.net/attachmen...ine=1343000207

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.

18psi 07-22-2012 07:48 PM

geez, talk about hardcore

k24madness 07-23-2012 04:57 PM

And I thought my tilton twin 5.5 was radical.

Savington 07-23-2012 08:50 PM

Can you still drive it onto a trailer?

y8s 07-23-2012 09:40 PM


Originally Posted by Savington (Post 907126)
Can you still drive it onto a trailer?

does not count if with starter.

Saml01 07-23-2012 09:54 PM


Originally Posted by y8s (Post 907148)
does not count if with starter.

I was gonna say pull start.

lawlz

soviet 07-23-2012 10:25 PM

It's so cute!!!

chpmnsws6 07-23-2012 10:33 PM


Originally Posted by Savington (Post 907126)
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.

Savington 07-24-2012 01:56 AM


Originally Posted by chpmnsws6 (Post 907165)
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.

hingstonwm 07-24-2012 02:37 AM

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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