COLLECTIVE NOUN

[Tony Griffiths]

A wander

[Paul N-M]

A Rumbling gets my vote.

[Colin Wilks]

Having recently acquired the Austin Seven Source Book, with its extensive list of models and derivatives, I think a VARIETY of Austin Seven enthusiasts seems apt.

[Jack in the Box]

Not strictly correct grammatically but how about a "Bunch of Herberts"?

[Andy Bennett]

Perhaps  An oily clutch of

Andy B

---

Or:
A clutter of

A knowledge of

A ..just how far is 2m in feet and inches...of

Andy B

[phillips]

How about a Bench or a murder, or a  pod,. S&P in sunny Swansea

[Ivor Hawkins]

Judging by the age of most of us, how about a bewilderment?

[Zetomagneto]

A clutch of Sevens

[David Stepney]

A Clatter of Sevens?

A Sloth of Sevens? (Certainly standard ones!)

[andrew34ruby]

My slightly musical wife suggests... A septet.