Button Clutch 4.5 Inch Quarter Master
#1
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iTrader: (2)
Join Date: Jan 2010
Location: Denver
Posts: 904
Total Cats: 14
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.
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.
#10
Senior Member
Thread Starter
iTrader: (2)
Join Date: Jan 2010
Location: Denver
Posts: 904
Total Cats: 14
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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