Swapped engine wont rev past 5k rpm

saquon

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Have a 99 ex had a y8 in it blew up so now I have a y7 with a z6 trans but now it won't let me rev pass 5k rpm could it be the computer?

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XpL0d3r

I had a Civic once.
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Do you still have the same ECU? Need to swap it for a non-vtec one.
 


XpL0d3r

I had a Civic once.
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saquon said:
Yeah I have the same y8 ecu I need a y7 ecu

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Yep. Because at ~5k RPM the ECU is expecting to switch to vtec, which no longer exists.
 


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