hello everyone,need some opinions here,

i'm building a pump gas 548" bbc using afr 335's,and turning a max of 6800 rpm's.3700# 4 speed car with 4.10 gears.

street/strip application
about 1000 miles and 50 passes per year,there are a few grinds i'm looking at,

cam motion>advertised 305/315 measured @.020,
@.050 269/278
@.200 182/186
.680/.646 lifts
112 lsa
seat timing @.020 44.5/80.5
93.5/41.5
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comp cams xe,advertised 304/310 measured @.015
@.050,266/272
@.200,187/193
.677/.687 lifts
110 lsa
seat timing @?? 21/65
68/24
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which cam will be gentler on the valvetrain????
thanx