Thread: 239 flathead, block the heat riser passage, or no?
View Single Post
Old 04-02-2023, 08:05 PM   #5
flatjack9
Senior Member
 
flatjack9's Avatar
 
Join Date: May 2010
Location: Oshkosh, Wi
Posts: 4,540
Default Re: 239 flathead, block the heat riser passage, or no?
I would not block the risers.
flatjack9 is offline   Reply With Quote