Thread: Holley 4555 stock jet sizes
View Single Post
  #16  
Old 05-19-2005, 02:01 AM
Chevy454 Chevy454 is offline
Senior Member
  
Join Date: Mar 2000
Location: Alton, MO, USA
Posts: 11,923
Thanks: 0
Thanked 8 Times in 8 Posts
Default Re: LS6 L78 4557 jets??
Here is THE setup for these carbs, courtesy of COPO Pete:

72 fronts, 84 rears...with a 65 power valve in the front and a plug in the rear. Made a world of difference in our cars...
Reply With Quote