Hey just been driving car and I am getting a real bad shudder when I go to take off and it like shakes the whole car am I in need of a new clutch ??? This was the same clutch out of my old motor

Could be a number of things;-

worn clutch,
broken diaphram,
worn primary gear bushes,
oil on the clutch,
flywheel loose,
broken drive strap (on the flywheel)

Will have to pull it off And have a look

but it could also be that you`ve always had a "slight" shudder but never took much notice & "drove around" the """Slight""" shudderr,,, BUT NOW!!! Maybe the engine mount(s) has/have broken? Maybe?

hey,,, it coud still be the clutch problem but if your engine mounts are stuffed it will shudder like S h! T

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No offence intended here but--> anyone writing a book about minis 30 years ago may not have experienced such worn or stuffed-with components as we are finding these days.

You should put your heart & soul into everything you do.

Could also be a rubbish `cardboard' aftermarket clutch plate. I had that prob on the wife's Mini when bought.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

If it clunks a few times as your turning it off could be the loose flywheel.

Nope no clunking at all but is hard to get into first when trying to take off or when changing down gears get back into 2nd