Rear M Caliper Swap, Caliper Ear Spacers Options

[jaxdream]

I been reading a lot of threads on the usage of M calipers on the rear for 5 lug conversion, found the mention of using 5mm washer / spacer between the caliper and mounting bosses to space for the early 911 vented ( 20 mm thick ) rotor, but no real mention of this being the total thickness needed or if it is 5mm PLUS the splash shield mounting bracket , which would add it's thickness to the overall dimension.
If someone with more knowledge of this setup would enlighten me , I would appreciate it. (IMG:style_emoticons/default/confused24.gif)
Thanks...

Jaxdream

[jaxdream]

Thanks, this is helpful , but I was wondering about the most ideal dimension , as washers are sometimes inconsistant in uniform thickness , although SAE washers are more consistant. I suppose I'm looking for the magic number / dimention that would center the caliper over the rotor best. I read in some earlier threads that the dimension that others went with was 5mm , but no mention if this was achieved using the splash shield bracket in conjuction with another spacer or simply spacer (s ) to add up to 5mm , if that is the magic number .
Thanks I'll get some sae 1/2 in washers and measure them , I do want to use metric if at all possible .

Jaxdream