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cam stock L83 My new CompCams 12-402-04
Lobe Center Angle
Intake centerline
Intake duration @ 0.050
Exaust duration @ 0.050
Intake lift
Exhaust lift 		115
126
202
206
0.403
0.415 		114
-
212
218
0.444
0.444


heads 350 L83 iron
#462624		 350 L98 aluminum
#14101128 (86-87)		 350 L98 aluminum
#10088113 (88-up)		 My new AFR 190
chamber size 76cc 58cc 58cc 74cc
Intake valve size 1.94" 1.94" 2.02"
Exhaust valve size 1.50" 1.50" 1.60"
Intake port size 158cc 163cc 190cc
Exhaust port size 64cc
Lift
.050
.100
.200
.300
.400
.500
.550
.600 		Intake / Exhaust
- / -
44 / 41
101 / 82
155 / 125
182 / 137
196 / 140
- / -
- / - 		Intake / Exhaust
29 / 27
56 / 49
120 / 96
160 / 123
186 / 140
196 / 155
- / -
199 / 159 		Intake / Exhaust
- / -
62 / 49
116 / 98
161 / 130
185 / 152
195 / 159
- / -
- / - 		Intake / Exhaust
- / -
- / -
129 / 108
195 / 156
240 / 178
260 / 190
262 / 192
262 / 194


Corvette information