HTL Series Cam Profiles (Big Block)
8/29/2016
Grind Number
Valve Lift 1.5
Valve Lift 1.6
Duration @.050"
Lobe Separation
Opening at .050"
Closing at .050"
Springs for 1.5
Springs for 1.6
Tappet Lift
Angle
HTL3742BS
INT .534"
INT .570"
237°
109°
12° BTC
45° ABC
1128
EXH .543"
EXH .579"
242°
53° BBC
10° ATC
HTL4248BS
INT .542"
INT .578"
106°
16° BTC
47° ABC
1107
EXH .560"
EXH .597"
248°
55° BBC
13° ATC
HTL4652BS
INT .555"
INT .592"
246°
108°
18° BTC
48° ABC
EXH .572"
EXH .610"
252°
57° BBC
15° ATC
HTL4852BS
INT .560"
INT .597"
19° BTC
49° ABC
EXH .567"
EXH .605"
58° BBC
16° ATC
HTL5054BS
INT .588"
INT .627"
250°
21° BTC
EXH .600"
EXH .640"
254°
59° BBC
HTL5256BS
INT .567"
INT .605"
51° ABC
EXH .575"
EXH .613"
256°
17° ATC
HTL5660BS
INT .573"
INT .611"
23° BTC
53° ABC
EXH .584"
EXH .622"
260°
62° BBC
19° ATC
HTL6064BS
INT .582"
INT .621"
26° BTC
55° ABC
EXH .588"
EXH .627"
264°
63° BBC
21° ATC
HTL6468BS
INT .594"
INT .634"
27° BTC
57° ABC
EXH .611"
EXH .651"
268°
65° BBC
23° ATC
HTL6872BS
INT .651"
29° BTC
59° ABC
EXH .620"
EXH .661"
272°
67° BBC
25° ATC
HTL7276BS
INT .620"
INT .661"
31° BTC
69° ABC
EXH .629"
EXH .670"
276°
61° BBC
27° ATC
HTL7680BS
INT .629"
INT .670"
33° BTC
63° ABC
EXH .633"
EXH .675"
280°
71° BBC
29° ATC
HTL8087BS
INT .633"
INT .675"
35° BTC
65° ABC
EXH .644"
EXH .686"
287°
75° BBC
33° ATC
HTL8287BS
INT .638"
INT .680"
282°
36° BTC
66° ABC
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