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home » Cylinder heads » chev big block » GM bowtie
GM BOWTIE
- Alloy cylinder head
- Intake valve 2.300 exhaust valve 1.94
- 219cc intake port volume
- 89cc exhaust port volume
- 68cc chamber volume
| Valve lift |
.100” |
.200” |
.300” |
.400” |
.500” |
.550” |
.600” |
.650” |
.700” |
| Intake c.f.m. |
72 |
145 |
206 |
250 |
270 |
280 |
288 |
294 |
397 |
| Exhaust c.f.m |
57 |
105 |
142 |
167 |
190 |
197 |
202 |
210 |
215 |
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