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3V C.H.I.
- Intake valve 2.190 exhaust valve 1.710
- 237cc intake port volume
- 121cc exhaust port volume
- 69cc chamber volume
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Valve lift
|
.100”
|
.200”
|
.300”
|
.400”
|
.500”
|
.550”
|
.600”
|
.650”
|
.700”
|
.750”
|
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Intake c.f.m.
|
82
|
148
|
205
|
256
|
295
|
311
|
326
|
340
|
352
|
360
|
|
E xhaust c.f.m
|
60
|
110
|
152
|
209
|
224
|
239
|
245
|
249
|
252
|
255
|
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CHI 225 cnc ported heads which we recently dynoed a 385 cubic inch cleveland with these heads with a crane F256. 10.2 : 1 comp.It had out of the box pacemakers & holley hp 950cfm and made 600HP on pump unleaded. Drive all day no stress. |
