[sparks]

Here are the actual cam specs. 427so stroked to 462....Cam specs are
Dur @ .020 in.=292 ex=300
Dur @ .050 in.=242 ex=251
lobe lift in=300 ex=303
Valve lift in.=528 ex=533 @ 1.76 RR Lobe seperation is 108

Seat pressure 130.140
open pressure330.340

Hope it clears up a thing or 2...