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Z31 300ZX(T) 1984-1989 Zs - Engine and Chassis Discussion

       
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Old Aug 26th, 2005, 08:34 PM   #1 (permalink)
Big_E-Dog
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z31 ecu ?'s

is the ECU from a 85 z31 300zx different from the ecu from, lets say a 85 Maxima? and if so what are the differences if i were to swap the 2 ecus? hp gains? speed govenor removed? other interesting stuff?
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Old Aug 26th, 2005, 11:31 PM   #2 (permalink)
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is the ECU from a 85 z31 300zx different from the ecu from, lets say a 85 Maxima?
Yes.

and if so what are the differences if i were to swap the 2 ecus?
well, then you'd be trying to use a maxima ECU in a Z31.

hp gains?
If it runs, there wouldn't be any.

speed govenor removed?
NAs don't have a speed governor.

other interesting stuff?
Honestly, I don't think anyone has tried.
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Old Aug 27th, 2005, 12:46 AM   #3 (permalink)
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Quote:
Originally Posted by AZ-ZBum
is the ECU from a 85 z31 300zx different from the ecu from, lets say a 85 Maxima?
Yes.

and if so what are the differences if i were to swap the 2 ecus?
well, then you'd be trying to use a maxima ECU in a Z31.

hp gains?
If it runs, there wouldn't be any.

speed govenor removed?
NAs don't have a speed governor.

other interesting stuff?
Honestly, I don't think anyone has tried.



well what if it was the other way around, by putting a 85 z31 ecu in a 85 maxima?
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Old Aug 27th, 2005, 08:06 AM   #4 (permalink)
Zen31ZR
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If it were a turbo ECU, you'd get a diagnostic error from there being no knock sensor. Otherwise, I beleive the Maxima ECU and the NA Z31 ECU were about the same. Both cars pushed close to the same Hp as I recall.
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Old Aug 27th, 2005, 08:54 AM   #5 (permalink)
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Quote:
Originally Posted by Big_E-Dog
well what if it was the other way around, by putting a 85 z31 ecu in a 85 maxima?
same rules apply.
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Old Aug 28th, 2005, 01:27 AM   #6 (permalink)
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Quote:
Originally Posted by Zen31ZR
Both cars pushed close to the same Hp as I recall.
Why would this mean the cars had the same ecu?

Put it this way. The question you are asking is like asking can I put a 05 Maxima ECU in my 350Z?

Get a Z31 ecu for a Z31, and a maxima ecu for a maxima...
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Old Aug 28th, 2005, 09:27 AM   #7 (permalink)
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Quote:
Originally Posted by JAMESZ
Why would this mean the cars had the same ecu?
No, just simply means it's pointless to swap ECU's and expect gains......
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