E31 Cylinder Head

[Scoota G]

I've done a bit of a search and surfed a bit but does anyone have any info on the E31 head?

[C.A.R.]

Used on the early 240Z's.

Mine is off the engine currently - so if you want any info/photos let me know

[Scoota G]

Just some stats and such buddy, sems dalee's parts car has one.

[Roberto]

http://www.viczcar.com/forum/index.php/topic,6012.0.html

 

It's all here in the sticky post "Overview of L-series heads".  Essentially they are the 240Z head:  Small chamber, smaller valves and higher compression.

[Scoota G]

I think that pretty much covers it actually as dale and i were just curious about the cylinder head. It came as a bit of a surprise that the motor in the his parts car was fitted with one, it sounds really strong and i can't wait to fit it and see what it gets along like. Thanks guys. 

[NZeder]

the only issue with E31 these days is finding a good one - ie one that has not had too many large heat cycles and is still uniformly hard across the whole head. If I was looking for a head I would go N42 or the EFI E88 head from the L24E power skyline you guys got in OZ. I believe these E88 heads are like a E31 but have the larger E88 valves and are newer casting = not as old.