Solid Flat Tappet Valve Springs

furrystump said
I’m running PAC 1903’s at 1.80 on this cam. Pulls through 7000 rpm

View attachment 1716244072
135 on the seat 340 over the nose

Nice grind. Mine was 266/266 238/[email protected] .558" on 108lsa I believe the ramps were too steep. Now 278/286 248/[email protected] .558/.550 on 110lsa