Here is what I found in our Clevite Engine Parts catalog:
Intake cam lift .289
Exhaust cam lift .287
Intake valve lift .434
Exhaust valve lift .431
Overlap 38
Advanced Intake Duration 260
Advanced Exhaust Duration 268
SAE Intake Duration 284
SAE Exhaust Duration 293
.050 Intake Duration 206
.050 Exhaust Duration 209
.050 Intake Valve Open 7 ATC
.050 Exhaust Valve Open 40 BBC
.050 Intake valve Close 33 ABC
.050 Exhaust Valve Close 11 BTC
Intake Valve Lash .000
Exhaust Valve Lash .000
Intake Lobe Centerline 110
Exhaust Lobe Centerline 116
74 Blazer
Zepplin
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