View Single Post
Old 12-29-2011, 04:08 PM   #11
scicala
Senior Member
 
scicala's Avatar
 
Join Date: Jun 2010
Location: Detroit suburb, MI
Posts: 3,698
Default Re: single barrel hollys

46yblock, I have the Holley Spec sheet for a Holley LIST 800 (54-55 Ford 223 w/ std. and auto trans) It says the main jet size is 66, so can't see any reason to change it. Hope this helps out.
scicala is offline   Reply With Quote