i have been searching everywhere and i can't find an answer. Is there any difference between the 1.8l dohc and sohc automatic ecu's? its an 92/93protege btw.
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Yes there are some differences. Two I can think of immediately:Originally posted by my86nissanz View Post
The DOHC has 2 signals from the disty and SOHC only uses 1.
The DOHC has VICS and SOHC does not
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It will work i had my bg with a 1.6 sohc ecu. But the rev will be at 6k rpm compared to the 7k rpm on the dohc one. Also the vris wont work.
THE SOHC ECU WIRING DONT HAVE THE CABLE FROM THE ECU TO THE VRIS. U WILL NEED TO RUN A CABLE FROM THE ECU PIN TO THE VRIS. ITS JUST TO HAVE MORE TORQUE AT LOW RPMS.Last edited by 323 mazda; 05-26-2010, 10:57 AM.Comment
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so basically what you're saying is that it will work, but it will require some rewiring?Comment
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if you have a car that came with a sohc engine n u r swapping to a bp and connecting the dohc ecu to that original wiring u need to run a cable from the pin of the ecu to the vics cuse the wiring doesn't have it and the check engine light will come up. if ur car came with a dohc and ur swapping to a sohc u don't need to do nothing. both ways it will work just fine.Comment
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classicOriginally posted by 323 mazda View Post
OP, just use the complete ECU and wiring harness to match the motor.
plug and play, DONELast edited by therieldeal; 05-28-2010, 03:39 PM.Escort GTR -- 11.87 @ 117.6 mph -- 320 HP / 325 Ft. Lbs. @ 23 PSI
... The first FWD BG with a Toyota E153 transmission conversion in the USA!
Looking for BP x Toyota E153 adapter plates? PM me or contact me on Facebook: Riel Performance PartsComment
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is there a write up on this already? cause some pics would be incredibly helpful. i wasnt able 2 find anything yet. thanks 4 the help everyoneComment
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