It is in the Bentley manual. They show where to trim the opening. The
factory stopped supplying the smaller diameter pipes as spares so the
manual was updated to include info on changing to the larger diameter
pipes. You probably know that some of your old hoses won't fit the new
pipes.

Mark

nirav patel wrote:
> I'm upgrading my steel coolant lines on an 1984 westy with the 1.5''
> diameter steel coolant line kit from Van Cafe. Was wondering if there was
> anyone on this list that has done this job.  It seems I will have to open
> up the hole on the cross member which did hold the 2 factory 1.25'' steel
> lines and the 2 heater hoses.  Before I start cutting away, I thought it
> would be wise to chat with someone that has done it.  I would appreciate
> any tips or learnings.
>
> +nirav
>