240Z, 260Z, 280Z Performance / Technical Discussions related to performance motor enhancements, upgrades.

EFI question

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Old May 19, 2006 | 03:58 PM
  #1  
Superduner's Avatar
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Joined: Feb 2006
Posts: 285
EFI question

OK nice and simple. what head and intake nmanifold goes with what year can you makem e a list? like

for example:
What intake manifold goes with the F54 block the N 47 of what? and what intake manifold coems with the 78 280z block STOCK!
Old May 19, 2006 | 04:07 PM
  #2  
NismoPick's Avatar
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Joined: Aug 2005
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From: Wild Wild West, UTAH!
Here ya go... using "web search engines" works wonders!

http://www.geocities.com/zgarage2001/engine.html

http://www.ozdat.com/ozdatonline/enginedesign/

http://zhome.com/rnt/3.1HanveyProject.htm



ENGINE
CASTING CODE

L24 (1970 240Z)
#E31 (flattop pistons)

L24 ('71-73 240Z)
#P30 (flattop pistons)

L26 ('74 260Z)
#P30 (flattop pistons)

L28 ('75-80 280Z)
#N42 (dished pistons)

L28 ('81-83 280ZX)
#F54(flattop/dished pistons, siamesed cylinders)



HEADS The P79, P90 and P90a heads are the three heads found on ZX F54 blocks, and have the same chamber volume and dimensions (53.5cc). The P79 has round exhaust ports with steel liners that heat red-hot to reduce emissions, some say they reduce flow, but I've pulled a 13.9 1/4 mile with my carbureted P79, so it can't flow too badly.
My guru racer buddy says Nissan finally "got it right" on the P90, and he feels it's the best flowing head out there. I have to agree, I just modified one this year, and it's design incorporates the best features of all the heads: square exhaust ports, high-quench chambers, and steel seats. Check out my P90 and P79 pages for more modification details.




Ah hell... you can read the web pages.
Old May 19, 2006 | 08:53 PM
  #3  
Superduner's Avatar
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Posts: 285
sweet THANKS
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