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View Full Version : SOHC to DOHC KA conversion guide?


krustindumm
03-25-2005, 09:29 PM
I have searched, but havent found much on this swap. I must have everything ready before I start, because I only have a one week window to get the swap done.

Car is a 90 coupe. Engine is a S14 KA24DE.

So far I am sure I need:
-S13 DOHC engine harness with body harness connector
-S13 DOHC ECM
-S13 DOHC ignitor chip, distributor, and coil
-S13 DOHC lower plenum
-S13 DOHC MAF
-S13 DOHC Throttle & cruise cable
-S13 DOHC Intake pipe
-S13 DOHC Engine side brake booster hose
-S13 DOHC header

Optional but highly recomended:
-S13 DOHC P/S lines, pump, and reservoir
-S13 DOHC gauge cluster

Is my basic assumption accurate, or am I missing a very important detail somewhere?

Phlip
03-25-2005, 09:43 PM
I have searched, but havent found much on this swap. *snip*
You suck at searching AND lying if you did in fact search, I searched Zilvia before I got all the shit for my own such swap (and peppered in an auto-manual swap at the same time) and never had to start a thread on a topic that has been discussed at long length RECENTLY...

krustindumm
03-25-2005, 09:56 PM
I found one topic, in the FAQ, but was slightly confused by it, and wanted to make sure I had read it correctly. The only way I found it was through google, and every hit eventually links back to this one:

http://www.zilvia.net/faqs/archive/SOHCtoDOHC.asp

which has no feedback.

PureS-e-x
03-25-2005, 09:59 PM
I have searched, but havent found much on this swap. I must have everything ready before I start, because I only have a one week window to get the swap done.

Car is a 90 coupe. Engine is a S14 KA24DE.

So far I am sure I need:
-S13 DOHC engine harness with body harness connector
-S13 DOHC ECM
-S13 DOHC ignitor chip?, distributor, and coil
-S13 DOHC lower plenum
-S13 DOHC MAF
-S13 DOHC Throttle & cruise cable
-S13 DOHC Intake pipe
-S13 DOHC Engine side brake booster hose
-S13 DOHC header

Optional but highly recomended:
-S13 DOHC P/S lines, pump, and reservoir
-S13 DOHC gauge cluster

Is my basic assumption accurate, or am I missing a very important detail somewhere?


Im a little confused here....I was unaware that a KA had an ignitor?????

MakotoS13
03-25-2005, 10:10 PM
okay, allow me to first welcome you to the planet earth. on this planet we have other things. imaginary things. like the internet. here you can use things like search buttons and READING COMPREHENSION to find things of merit in order to aid you in your quest to hopefully evolve beyond this mental midget you so clearly are.

secondly, turbo you're freaking sohc because there isn't one single thing wrong with that motor. you'll go through all this hassle when you could just build up and turbo the single slammer.

sincerely your superior,
everybody

fastbacchris
03-26-2005, 02:43 AM
you will need s14 harness for s14 motor and search its a pretty easy swap

ryan hagen
03-26-2005, 09:51 AM
u dont need a s14 harness for a s13 motor swap unless u want to run it as a s14, and have a wireing pain in the ass. if get the sensors and s13 distributor you can run the s14 as a s13 bu twith a better intake, i m rocking a s14 ka in my 1991 right now, no swirl control valves and i tossed my s13 cams in it, nice motor upgrade.

Phlip
03-26-2005, 12:12 PM
Ryan is correct, I did the same, I have a S13 harness, distributor, tach, cams and ECU, using a 1995 KA myself

krustindumm
03-26-2005, 08:21 PM
secondly, turbo you're freaking sohc because there isn't one single thing wrong with that motor. you'll go through all this hassle when you could just build up and turbo the single slammer.

sincerely your superior,
everybody


Hehehehe. Funniest post here. There is something wrong with the SOHC, something very wrong. There is a rod through the side of the block. My friend has a cheap S14 KA, so thats where the engine is comming from. Not really interested in turboing it either, just looking for a reliable daily driver with some style.

Though I do agree with your SOHC love, That's what my Civic is. Build it, boost it, 2x the HP of a B16 swap for about the same amount of money.

Thanks everyone for your help, hopefully I can pull this off w/o any problems.

projectRDM
03-27-2005, 10:16 AM
you will need s14 harness for s14 motor and search its a pretty easy swap

Idiot.



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