Quote:
Originally Posted by sblack13
^kouki s14's do have fins
the zenki s14 sr20's have the older style maf plug with the metal clip, and some very few later model zenki s14 sr20's thru the s15's have the newer snap plug for the maf.
Also its easy to get the s13 sr20det and s14 sr20det maf messed up they are the same plug type the s13 maf should have the following number on the maf
NOTE: You cannot use a s14 maf on a s13 or vise versa they read different.
52F00 S13
69FO1 ZENKI
69FOO KOUKI
and same goes for turbos
they all will have that number engraved on the turbo indentifcation plate
the S15 i believe is "54F00"
Zenki SR20DET S14: Code "WC" ecu
Kouki SR20DET S14: Code "NA" ecu
and there is another way to tell the s15 and s14 motors apart. The coilpacks are different between the two.
The most obvious difference between the s13 and s14 sr20det would be the intake manifold.
Also.. if your running a 300zx maf this is what safc setting you run
S13 W/ Z32 = 2in 6out
S14 W/ Z32 = 2in 5out
Are you swapping a S14 SR20DET into your s13?
what you need to know
Pretty much everything bolts up as it should in a s13 sr20det swap.
Crossmember, Driveshaft, Motor mounts bolt up, of course duh.
But!!
you need to use your old s13 speed sensor from your manual tranny.
You need to use your old s13 coolant temp sensor if you want to see your water temp.
Thats pretty much it!! and for the s14 w/ s13 sr20det it should be the direct opposite.
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To add to this, i found a page on 240sx motoring that has the ECU part numbers that can tell you what engine/car combo your ecu is derived from....
http://www.240sxmotoring.com/partnumbers.html
Good luck to those who need the info, and are doing the swap ^_^