DOHC Heads
From Datsun 1200 Wiki
DOHC Heads for A-series Engines.
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Nissan AY cylinder head on 1200 block
This is the legendary Nissan 'AY' factory race head on a 1200 block.
It's a pushrod/OHV design that features crossflow porting & two plugs per cylinder.
GM Vauxhall DOHC head
(http://datsun1200.com/modules/myalbum/photo.php?lid=6672)
GM Opel/Daewoo/Vauxhall Ecotech Head
[1] (http://datsun1200.com/modules/myalbum/photo.php?lid=6885)
Nissan DOHC Head
(http://datsun1200.com/modules/myalbum/photo.php?lid=5987)
(GA16 ?)
(http://datsun1200.com/modules/myalbum/photo.php?lid=5988)
Nissan DOHC Head
Mazda b6
Mazda B6 head. Check this out this is the thread (http://datsun1200.com/modules/newbb/viewtopic.php?topic_id=24425&forum=1) that discussed this subject, it also talks about using a Vauxall head, it has a pic of the Mazda head gasket and some other pics and info on the subject.
KA24E
Osgiken
E15 SOHC
Will the new E-series heads might fit on the A12 engine? Note that the 1982 E15 engine design is based on the A15 engine:
- Same bore & stroke
- Same bore pitch (82.5mm - 90mm - 82.5mm)
- Lighter casting
- Similar head gasket
- E15 is overall shorter to fit transverse applications (FWD)
- Crossflow head with semi-spherical chambers improves on A15: HP and torque are both up 3%
- The E15 uses a jackshaft "in the area where the camshaft is mounted on the A-series engine" to drive the fuel pump and oil pump (the distributor is driven off the front of the cam)
