HTL Series Cam Profiles (Small 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
HTL3742AS
INT .531"
INT .566"
237°
108°
13° BTC
44° ABC
1129
EXH .542"
EXH .578"
242°
52° BBC
11° ATC
HTL4248AS
INT .542"
INT .578"
106°
18° BTC
53° ABC
EXH .560"
EXH .597"
248°
45° BBC
15° ATC
HTL4652AS
INT .549"
INT .586"
246°
20° BTC
46° ABC
EXH .567"
EXH .605"
252°
56° BBC
17° ATC
HTL4852AS
INT .563"
INT .569"
21° BTC
47° ABC
EXH .600"
EXH .606"
55° BBC
HTL5256AS
INT .606"
24° BTC
49° ABC
EXH .575"
EXH .613"
256°
57° BBC
19° ATC
HTL5660AS
INT .572"
INT .610"
26° BTC
51° ABC
EXH .582"
EXH .621"
260°
59° BBC
21° ATC
HTL6064AS
27° BTC
EXH .543"
EXH .579"
264°
61° BBC
24° ATC
HTL6468AS
INT .621"
INT .662"
30° BTC
54° ABC
EXH .632"
EXH .674"
268°
64° BBC
HTL6872AS
INT .611"
INT .651"
31° BTC
65° ABC
EXH .620"
EXH .661"
272°
27° ATC
HTL7276AS
33° BTC
59° ABC
EXH .627"
EXH .669"
276°
67° BBC
30° ATC
HTL7680AS
INT .629"
INT .670"
35° BTC
61° ABC
EXH .633"
EXH .675"
280°
69° BBC
31° ATC
HTL8087AS
INT .633"
INT .675"
37° BTC
72° ABC
EXH .641"
EXH .683"
287°
72° BBC
35° ATC
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