Originally Posted by bwinters
How much H4831?

With the 140 H4831 was a really accurate but slow as heck. I'm going to chrono the 160 H 4831 load soon. It was fairly accurate as well.


62 grs. gets me 2935 fps out of my 22" barrel. I can mash the pedal a bit more, but why?

[Linked Image]

[Linked Image]

Originally Posted by captain seafire
I replace valve cover gaskets every 50K, if they don't need them sooner...