Types of N12 heads

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Callumgw
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Types of N12 heads

Post by Callumgw » Fri Jun 13, 2008 1:36 pm

33M
---E16i head
---combustion chamber volume: approx 24.5cc (poly-spherical)
---valve dia (I/E): 37/30
---low-swirl intake ports

31M
---E16s head
---combustion chamber volume: approx 24.5cc (poly-spherical)
---valve dia (I/E): 37/30
---high-swirl intake ports

15M
---E15ET turbo (or FI) head
---combustion chamber volume: approx 17.9cc (semi-spherical)
---valve dia (I/E): 37/31
---low-swirl intake ports

11M
---E15s head
---combustion chamber volume: approx 18.5cc (semi-spherical)
---valve dia (I/E): 37/30
---high-swirl intake ports

52A
---E15 head
---combustion chamber volume: approx 21cc (semi-spherical)
---valve dia (I/E): 37/30
---high-swirl intake ports

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