04-26-2013, 05:29 PM
|
#1
|
|
Senior Member
Join Date: Apr 2011
Location: Middletown, IN
Posts: 593
Likes: 0
Liked 0 Times in 0 Posts
|
Re: Schubek Lifters
Quote:
Originally Posted by Alan Roehrich
We were turning 7800 with the 427 at Bowling Green this weekend, with 255 on the seat, and 600 open. We have too much open right now, I need to change springs.
What will hurt ceramic lifters is low spring pressure, resulting in a loss of valvetrain control. They do not like to bounce, whether it is on the ramp, or over the nose (commonly called "lofting") and that is where you'll see them break.
|
In your opinion, for less than 7k, do you believe that 200seat/400-450open will work? Or should i shoot for a little more?
__________________
1968 Bird/TRW 455/Home ported 13's, '70 Qjet,Holley Street Dominator manifold, Comp Solid FT, 10.817/122.30/1.440
Workin' on E/SA combo  3119 E/SA
|
|
|