You said you had a throw out bearing from McLeod, they have removable rings that determine the reach of the trow out bearing, they come off the throw out bearing housing McLeod part #16525
If you are not using this part than disregard that part of the post. But, the slave trunnion adjustment is the same. If your flywheel is worn out, that could also make your clutch slip, But the main thing is you always replace or have checked your pressure plate, they are not interchangeable between brands, a three fingered McLeod pressure plate is not the same as a 3 fingered Ram pressure plate. you always resurface the flywheel when installing a new clutch.
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