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ECUs: N351 vs. N353

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Old 10-16-02, 09:22 AM
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ECUs: N351 vs. N353

Has anybody ever interchanged an N351 ECU ('89-'91 Fed Coupe) with an N353 ECU ('89-'91 Fed Convertible) ? If so, any noticeable differences in performance?

TIA,
Hot_Dog
'02 RSX-S
'90 RX7 GXL
Old 10-16-02, 09:33 AM
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how many times you gonna post this?

The ECUs are interchangeable if the first two numbers after the "N" are the same, such as N351 and N353.
Old 10-16-02, 09:44 AM
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Originally posted by Icemark
how many times you gonna post this?

The ECUs are interchangeable if the first two numbers after the "N" are the same, such as N351 and N353.
Sorry.....this wasn't done on purpose. Obviously this was the result of a network problem.

I know that they are interchangeable. The question was: If these ECUs are swapped, how is driveability/performance affected?

Hot_Dog
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'90 RX7 GXL
Old 10-16-02, 09:50 AM
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I just recently found out that the last number refers to the engine/chassis setup installed (such as fed or CA emissons with the engine), not to ECU functions, so they should operate exactly the same if they match the first two numbers.
Old 10-16-02, 01:46 PM
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Originally posted by Icemark
I just recently found out that the last number refers to the engine/chassis setup installed (such as fed or CA emissons with the engine), not to ECU functions, so they should operate exactly the same if they match the first two numbers.
Ahhh....that makes sense. Thanks, Icemark.

Hot_Dog
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'90 RX7 GXL
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