#8---Older Camshaft Profiles (Big Block Hydraulic: HE Series)

1/25/2016
Archives


Grind Number Valve
Lift 1.5		 Valve
Lift 1.6		 Duration at .050" tappet lift Advertised Duration
(at .008" lift)		 Lobe Separation Angle Opening at .050"
tappet lift		 Closing at .050"
tappet lift
HE0410BL INT .405"
EXH .420"		 INT .432"
EXH .448"		 204
212		 248
260		 112 7 ATC
41 BBC		 31 ABC
9 BTC
HE0914BL INT .458"
EXH .470"		 INT .489"
EXH .501"		 208
214		 252
260		 112 5 ATC
42 BBC		 33 ABC
8 BTC
HE1423BL INT .470"
EXH .504"		 INT .501"
EXH .538"		 214
223		 260
270		 112 2 ATC
46.5 BBC		 36 ABC
3.5 BTC
HE1923BL INT .489"
EXH .504"		 INT .522"
EXH .538"		 219
223		 266
270		 112 .5 BTC
46.5 BBC		 38.5 ABC
3.5 BTC
HE2330BL INT .504"
EXH .515"		 INT .538"
EXH .549"		 223
230		 272
276		 110 4.5 BTC
48 BBC		 38.5 ABC
2 ATC
HE3038BL INT .515"
EXH .536"		 INT .549"
EXH .572"		 230
238		 276
286		 110 8 BTC
52 BBC		 42 ABC
6 ATC
HE3844BL INT .536"
EXH .540"		 INT .572"
EXH .576"		 238
244		 283
291		 108 14 BTC
53 BBC		 44 ABC
11 ATC
HE4449BL INT .540"
EXH .555"		 INT .576"
EXH .592"		 244
248		 292
298		 108 17 BTC
55 BBC		 47 ABC
13 ATC
HE4854BL INT .556"
EXH .570"		 INT .592"
EXH .608"		 248
254		 295
306		 110 17 BTC
60 BBC		 51 ABC
14 ATC
HE5459BL INT .570"
EXH .570"		 INT .608"
EXH .608"		 254
259		 304
310		 110 20 BTC
62.5 BBC		 55 ABC
16.5 ATC

 

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