Just a quick followup. I asked Weldequip (Steve) about the differences between the 185 and the 215 Portamigs. I'll quote his reply here:
"Main difference between the 185 & 215 - apart from the obvious extra top end power & duty cycle - is that the 215 has slightly better quality internal...
Thanks everyone for the comments. Always helpful to have other people with experience to check the thinking process.
The shell is a 1990 Honda Civic VT. To be more precise it's Robbie Head's only Group A Honda Civic. I beleive it's the last surviving original shell. Honda ran a little rally...
I've been on the forum a here a while, benefiting a lot from the tutorials, the advice and the general nice attitude.
Started a car restoration project some years back using a Sip TopMig 150 on loan from a friend.
I did some tweaking on the welder - new steel liner, swan neck etc - and...