Noob with a new mx5 Saturn build.

[Badger]

Originally Posted by norton

Does anyone know if the book spec roll bar or, more specifically if the harness mounts are iva compatible?

Simply: No. They don't meet the requirements of either being attached at both ends or down one side.

Threaded bushes should be welded (at both ends) through the tube, and not end mounted on the surface. (A threaded bush may be attached by
its side surface to a structural component).

Here's what I did:

[CTWV50]

Use a piece of thick walled (3mm) square tube for the cross member and weld the bush to the rear side of that. I passed IVA ok that way. Tubing will also pass a radius test no problem.



Or weld the bushes through the round tubing supplied.

[norton]

Hey guys, thanks for all the feedback.

Re the harness mounts I think I'll put them inside the cross tube (I understand I may need a new tube, I'll measure in a sec). Is their position ok?