[Stan Weiss]

Originally Posted by Skip Fix

Yep I want to think on my emissions tag on the core support it has CR on my 78 too. Stan the W72 with the 6X-4 heads was rate 220 hp.

https://www.78ta.com/Pages/w72.htm

Skip,
They don't have that one listed. I did a web search and found this site which says 8.1:1 along with a good number of other engine specs for the W72.

http://www.transamworld.com/fbird-history-php2.php

Stan