After watching the video,to me it seems a lot of bolts could have been missing/taken out of the 59.
I also noticed that the video was from the Insurance Institute For Hwy Safety.
I guess anything to do with Insurance institutes or companies is going to make our lives better.
Sarcasm.
I have a 1965 AP6 Valiant.It has a 225 slant 6 with a Carter BBD,extractors,HEI,3 on the tree manual transmission and 3.23 diff ratio.
I am getting 28 mpg (US).
Is it something like this
http://www.pentastarparts.com.au/sunshop/index.php?l=product_detail&p=2122
or this
http://www.pentastarparts.com.au/sunshop/index.php?l=product_detail&p=2121
:read2: