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Engine Tech Technical discussion related to all relevant engines such as KA, SR, RB, CA, 2JZ , L24/26/28, VG, VQ, and LSx series.


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Old 01-30-2012, 12:30 PM   #1
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s13 Dohc to Sohc swap help!
im new to these fourms, ive look everywhere and i cant find anything and anyone help me?

ok here the problem i have sohc motor (90) and a Dohc shell (91) everything is swap in the car now but the dash harness is of course different, how to i get it to run now that i cant plug in the other ecu connector?

before anyone says "buy a dohc motor" or "just buy a sohc shell" im shipping out feb 12 so i dont have that much time and i need to this car running before then.

PLEASE SOMEONE HELP
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Old 01-30-2012, 12:41 PM   #2
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Quote:
Originally Posted by 830s13 View Post
im new to these fourms, ive look everywhere and i cant find anything and anyone help me?

ok here the problem i have sohc motor (90) and a Dohc shell (91) everything is swap in the car now but the dash harness is of course different, how to i get it to run now that i cant plug in the other ecu connector?

before anyone says "buy a dohc motor" or "just buy a sohc shell" im shipping out feb 12 so i dont have that much time and i need to this car running before then.

PLEASE SOMEONE HELP
Buy a SOHC ecu?
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Old 01-30-2012, 12:44 PM   #3
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Old 01-30-2012, 01:54 PM   #4
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Quote:
Originally Posted by pacotaco345 View Post
Buy a SOHC ecu?
i have the ecu but the dash harness is from a dohc, so the sohc ecu doesnt fit
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Old 01-30-2012, 07:17 PM   #5
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Your gonna need the dohc dash harness plug.
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Old 01-30-2012, 07:24 PM   #6
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you have to repin the DOHC dash plug in the single cam harness make sure you follow a write-up for SOHC to DOHC swap stuff to you find the dash plug and do it in reverse order.
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Old 01-30-2012, 08:38 PM   #7
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ya i have the dash plug for the single but idk how to do the repining, does anyone have the write up on how to do it ?
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Old 01-31-2012, 02:07 PM   #8
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What? So you have both harness plugs correct? If you just Google sohc to dohc swap there are plenty of write-ups.
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Old 01-31-2012, 02:26 PM   #9
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No he has a single cam that he wants to put in his dohc shell , I have done this before and powersteering lines need to be single cam as its on the passenger side of sohc chassis and you have to repin the dash plug litteraly Google sohc to dohc 240sx swap and do the dash plug in revese
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Old 01-31-2012, 03:12 PM   #10
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are dohc engines that hard to find? I gave away a running ka24de last night haha
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Old 01-31-2012, 03:15 PM   #11
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Not really but I'm sure the single is a known running engine
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Old 02-17-2012, 11:47 PM   #12
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cut and splice bro

KA24e to KA24de swap - Step-by-step. : 240sx Articles
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