HE Series Cam Profiles (Small Block Hyrdaulic)

Camshaft Profile 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
HE0410AL INT .407" 
EXH .420"		 INT .434" 
EXH .448"		 204 
212		 247 
261		 112 7 ATC 
41 BBC		 31 ABC
9 BTC
HE0914AL INT .458" 
EXH .470"		 INT .489" 
EXH .501"		 208 
214		 252 
260		 112 5 ATC 
42 BBC		 33 ABC
8 BTC
HE1423AL INT .470" 
EXH .504"		 INT .501" 
EXH .538"		 214 
223		 260 
270		 112 2 ATC 
46.5 BBC		 36 ABC
3.5 BTC
HE1923AL INT .489" 
EXH .504"		 INT .522" 
EXH .538"		 219 
223		 266 
270		 112 .5 BTC 
46.5 BBC		 38.5 ABC 
3.5 BTC
HE2430AL INT .504" 
EXH .515"		 INT .538" 
EXH .549"		 223 
230		 270 
276		 110 4.5 BTC 
48 BBC		 38.5 ABC 
2 ATC
HE3038AL INT .515" 
EXH .535"		 INT .549" 
EXH .571"		 230 
237		 276 
286		 110 8 BTC 
51.5 BBC		 42 ABC
5.5 ATC
HE3844AL INT .535" 
EXH .540"		 INT .571" 
EXH .576"		 237 
243		 286 
290		 108 13.5 BTC 
52.5 BBC		 43.5 ABC 
10.5 ATC
HE4449AL INT .540" 
EXH .557"		 INT .576" 
EXH .594"		 243 
248		 290 
298		 108 16.5 BTC 
55 BBC		 46.5 ABC 
13 ATC
HE4854AL INT .557" 
EXH .570"		 INT .594" 
EXH .608"		 248 
254		 295 
306		 107 20 BTC 
57 BBC		 48 ABC
17 ATC
HE5459AL INT .570" 
EXH .570"		 INT .608" 
EXH .608"		 254 
259		 304 
310		 107 23 BTC 
59.5 BBC		 51 ABC
19.5 ATC
Tags: Camshaft profile archives