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Profile |
Advertised Timings |
DURATION |
VALVE LIFT |
TAPPET |
REMARKS |
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|
Ex Op. |
Ex Cl |
In Op. |
In Cl |
Advertised |
@ 0.050” |
Gross. |
@ T.D.C. |
Ex. |
In. |
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|
737 |
60 |
21 |
23 |
60 |
261 |
261 |
210 |
208 |
0.295” |
0.310” |
0.008” |
0.006” |
S.T.D |
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|
756 |
52 |
25 |
25 |
52 |
257 |
257 |
215 |
215 |
0.352” |
0.352” |
0.008” |
0.006” |
Torque Imp. |
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|
514A |
70 |
31 |
33 |
70 |
281 |
283 |
228 |
228 |
0.310” |
0.310” |
0.008” |
0.006” |
Stage 1 |
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|
536C |
74 |
38 |
40 |
72 |
292 |
292 |
232 |
232 |
0.350” |
0.350” |
0.008” |
0.006” |
258 @ 0.040” |
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|
514B |
74 |
46 |
48 |
72 |
300 |
300 |
240 |
240 |
0.350” |
0.350” |
0.008” |
0.006” |
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|
723C |
81 |
45 |
45 |
81 |
306 |
306 |
246 |
246 |
0.385” |
0.385” |
0.008” |
0.006” |
262 @ 0.040” |
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1227C |
85 |
55 |
59 |
81 |
320 |
320 |
257 |
257 |
0.400” |
0.400” |
0.008” |
0.006” |
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|
931C |
82 |
50 |
54 |
78 |
312 |
312 |
248 |
248 |
0.425” |
0.425” |
0.008” |
0.006” |
272 @ 0.040” |
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Notes: -Same profiles can be used on both 750, 1100 & 1300cc engines.
-Valve springs should be changed above 0.370” lift.
-Some profiles require modified rocker pads.
-This is only a small selection of our profiles.