Re: bushing
Hi Pete. Your build looks great. Many thanks for sharing.
The rear suspension bushings are available stateside from Obert:
http://www.fiatplus.com/rear-a-arm-bushing-pr-285573.html
at a good price. He currently shows 14 in stock. Of course you need 4 per car. I have ordered them from him before and they seemed to be good quality. But a word of advice: if you order from him insist that he send them via postal service (USPS). He doesn't like doing so and makes you fill out a special waiver. I can only guess that he has had some problems with the postal service in the past. If he sends them UPS or Fedex you will get nailed here with all kind of duties and fees when they arrive. But I have found if they come via postal they just arrive at your door with no extra fees. Seems to take about 10 days to Ontario.
Also available stateside from Mr Fiat:
http://www.ebay.com/itm/Fiat-600-X1...ies&hash=item485a1352b4&vxp=mtr#ht_1101wt_906
I have never ordered anything from them, so cant comment on quality or service, but again insist that they ship via postal.
Also available from many suppliers in England and Europe. Like you found. Also check Ebay UK and Ebay.de, or places like Eurosport.
As for installation, well there is a special tool for doing so. Someone here (I think maybe Bernice ?) made one and lends it out for the cost of postage. I'm sure if you use the "search" function here you will find out more.
Or else it can be done in a press - or even a vise - with a selection of sockets and spacers. I posted instructions here a year or two back.
A word of warning. When you remove the arm from the car, a bunch of shims will probably fall out. Make sure you put them back exactly where they came from !
Good luck. If you manage to borrow the tool, let me know. I need to do this too. Maybe you could pass it on to me while it is north of the border.
Cheers, Doug.