ok my car has been kind off on the hot side lately and i figuerd out why... i think its because my overflow tank has a crack on the top. so if this is the case i would like to know where i can buy a new replacement tank as shown in this link.
http://www.sacramento-mustang.com/im...adshoseklg.jpg

 

Ebay normally has some nice chrome one for sale it and see NPD
8A080 OVERFLOW TANK, Radiator
Custom polished stainless steel.
65-73 15�, 10.5� mounting..................8A080-1A 44.95
65-73 17�, 12.5� mounting..................8A080-2A 44.95
The 1A tank mounting aligns with the holes in the 65-66
radiator support, the 2A mounting aligns with the holes in
a 67-68 radiator support. We have found that mounting
to 8146 shroud brackets makes for a neat installation.
Custom bracket fabrication may be necessary on some
models (especiallly those with 24� radiators.)

 

You can get the same ss overflow tanks NEW on eBay for 25 dollars. But I don't think Adrian's interested since he passed on my suggestion a while ago.

 

I remember now i have the plastic one on mine and like the chrome one better especially as i have no windscreen washer hardware and my overflow tank is there, i surpose i could always use the overflow tank as a feed for the windscreen wash and have a heated front screen!!!!!!!!!

 

the chrome cylinder ones are the best and best looking......less bulky too.