David
If you have the old tent measure it and compare to the old. I know that some of the earlier tents has issues. How long ago did you buy this one?
I can measure mine if you need. 

Bill

Sent from my iPhone

On Apr 21, 2013, at 4:55 PM, David McAuley <jdmcauley@SYMPATICO.CA> wrote:

> on my 1985 Westfalia tried to install a new canvas tent from Bus Depot part
> 253 070 704A mine has aluminium strips and found it to be about 6 1/2" short
> of reaching the corners have others had this problem and is another test
> recommended? David