Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Holley carb questions.
View Single Post
  #2 (permalink)  
Old 02-05-2013, 09:06 AM
lg1969's Avatar
lg1969 lg1969 is offline
Google "Tunnel Ram 406"
 
Last photo:
Join Date: Oct 2007
Location: Bohemia, L.I.N.Y.
Age: 64
Posts: 1,051
Wiki Edits: 0

Thanks: 1
Thanked 21 Times in 18 Posts
Holley 390 only require no more then 4.5 psi of fuel. Go above it and the float valve will be forced open. you may have to replace the needle/seat assy. that can handle higher Fuel pressure. I'm using two Holley 390's on my Tunnel ram setup.
Reply With Quote