Originally Posted by boostedOne

I have an explorer shortblock with an E303, 1.7 rockers, stock GT40P heads.
Checked piston to valve last night, and at the tightest point I had .075ish clearance(heads still on, so used checking springs and plunged the valves every few degrees).

I have the Crane spring kit which should be about 110 on the seat and 375lbs at full lift. I dont plan on revving the engine past mid 5s anyhow, since its in my truck.

Think the P to V is adequate?

Thanks.