Okay, I was picking FriedGreenCorrado's brain the other night about these, but I am still treading in unknown territory.
To have a quick-disconnect wheel, do you need a hub, a wheel and a QD unit, seperately, then bolt them together?
Or is the hub part of the QD?
Im trying to set myself up a QD on a Volvo 240, if anyone is interested in what for...
You need a disconnect with splines to match the column (or have a weld-on end if you are using 3/4 tubing for a column) and a hole pattern to match the aftermarket wheel.
There are dirt cheap ones that use a pin to lock the wheel on the shaft - of these there are two kinds of "mounting" - hex and spline. Get the spline as the hex has too much play for anything other than dirt racing. These run from $25 to $65 and are made for US 3 screw wheels. 5 min with some aluminum and a drill press will make it fit a Sparco.
The more expensive ones do not use a pin - they have ball bearings and a ring or paddle to release it. These are slick, come ready for 5 or 6 hole wheels and there are ebay knock-offs that are cheap. LTB Motorsports has good ones for most applications.
I still use and old fashioned one with a pin and weld on splines because I and cheap and like to know the steering wheel is 100% locked in place when I hit the track.
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