Originally Posted by
crazycage
there single spring kit is only £250 and good for 20psi@7k about 25psi@6500rpm and they come with the same retainers as the double spring kit so if you ever want to upgrade you just need the extra springs
If the standard springs allow float then yeah thats got to be adressed.
Surly fitting high lb springs on hydraulics is gonna have them pumping out at the rpm your talking about?
I'm not clued up on the 170 heads, can they not take solid lifters and double springs on OE cams?