HEV Series Cam Profiles (Big 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
HEV3945BS INT .546" 
EXH .560"
INT .582" 
EXH .597"
157 
163
239 
245
270 
277
108 14.5 BTC 
53.5 BBC
44.5 ABC 
11.5 ATC
HEV4550BS INT .560" 
EXH .575"
INT .597" 
EXH .613"
163 
167
245 
250
277 
283
108 17.5 BTC 
56 BBC
47.5 ABC 
14 ATC
HEV5056BS INT .575" 
EXH .587"
INT .613" 
EXH .626"
167 
171
250 
256
283 
290
108 20 BTC 
59 BBC
50 ABC 
17 ATC
HEV5663BS INT .587" 
EXH .602"
INT .626" 
EXH .642"
171 
181
256 
265
290 
297
108 23 BTC 
63.5 BBC
53 ABC 
21.5 ATC
HEV6368BS INT .602" 
EXH .615"
INT .642" 
EXH .656"
181 
185
265 
270
297 
302
108 27.5 BTC 
66 BBC
57.5 ABC 
24 ATC
HEV6876BS INT .615" 
EXH .630"
INT .656" 
EXH .672"
185 
190
270 
276
302 
309
108 30 BTC 
69 BBC
60 ABC 
27 ATC
HEV7680BS INT .630" 
EXH .630"
INT .672" 
EXH .672"
190 
201
276 
280
309 
316
108 33 BTC 
71 BBC
63 ABC 
29 ATC
HEV8080BS INT .630" 
EXH .630"
INT .672" 
EXH .672"
201 
201
280 
280
316 
316
108 35 BTC 
71 BBC
65 ABC 
29 ATC

 

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

 

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