HEV Series Cam Profiles (Small Block Solid)

8/25/2016


 

Grind Number Valve Lift 1.5 Valve Lift 1.6 Duration at .200" 
tappet lift		 Duration at .050" 
tappet lift		 Advertised Duration 
(at .020" lift)		 Lobe Separation Angle Opening at .050" tappet lift Closing at .050" tappet lift
HEV3945AS INT .546" 
EXH .560"		 INT .582" 
EXH .597"		 157 
163		 239 
245		 270 
277		 107 15.5 BTC 
52.5 BBC		 43.5 ABC 
12.5 ATC
HEV4550AS INT .560" 
EXH .575"		 INT .597" 
EXH .613"		 163 
167		 245 
250		 277 
283		 106 19.5 BTC 
54 BBC		 45.5 ABC 
16 ATC
HEV5056AS INT .575" 
EXH .587"		 INT .613" 
EXH .626"		 167 
171		 250 
256		 283 
290		 106 22 BTC 
57 BBC		 48 ABC
19 ATC
HEV5663AS INT .587" 
EXH .602"		 INT .626" 
EXH .642"		 171 
181		 256 
265		 290 
297		 106 25 BTC 
61.5 BBC		 51 ABC
23.5 ATC
HEV6368AS INT .602" 
EXH .615"		 INT .642" 
EXH .656"		 181 
185		 265 
270		 297 
302		 106 29.5 BTC 
64 BBC		 55.5 ABC 
26 ATC
HEV6876AS INT .615" 
EXH .630"		 INT .656" 
EXH .672"		 185 
190		 270 
276		 302 
309		 106 32 BTC 
67 BBC		 58 ABC
29 ATC
HEV7680AS INT .630" 
EXH .630"		 INT .672" 
EXH .672"		 190 
201		 276 
280		 309 
316		 106 35 BTC 
69 BBC		 61 ABC
31 ATC
HEV8080AS INT .630" 
EXH .630"		 INT .672" 
EXH .672"		 201 
201		 280 
280		 316 
316		 106 37 BTC 
79 BBC		 63 ABC
31 ATC

 

Valve Lash Settings: Intake .018" - .020" Exhaust .020" - .022"

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