Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - 5.7 Chevy Vortec exhaust manifolds
View Single Post
  #11 (permalink)  
Old 01-16-2014, 08:35 PM
ap72 ap72 is offline
Join Date: Jun 2005
Location: St. Louis, MO
Age: 34
Posts: 9,527
Wiki Edits: 0

Thanks: 20
Thanked 405 Times in 378 Posts
Originally Posted by gearheadslife View Post
because not everyone drives around at 5000 rpm..
they are fine for a cruiser.. and give up zero until you pass 4600rpm.. on a 350.. the 327 is less air in and out.. so.. unless it's a race ,more than street cruiser the factory manifolds will be fine.. ramhorns are better than the vortec logs.. but if it's a cruiser. it doesn't honestly matter.. other than packaging..
If you drive at part throttle you'll notice a difference. Not everyone uses a cam with no overlap.

Reply With Quote