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This is a discussion on Y7 into 99 civic ex in the HYBRID -> EG-EK / DC forum
i have a 99 civic ex with the sohc d16y8 vtec replaced by the non vtec d16y7 from a 98 civic dx still using the y8 tranny, harness, and p2p ecu
it is now throwing engine check light for vtec
what would i have to ...
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04-10-2012, 07:17 PM
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Posts: 9
|  Y7 into 99 civic ex i have a 99 civic ex with the sohc d16y8 vtec replaced by the non vtec d16y7 from a 98 civic dx still using the y8 tranny, harness, and p2p ecu it is now throwing engine check light for vtec what would i have to do to run this setup, clear ecl and pass smog? |
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04-16-2012, 10:31 PM
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Posts: 326
| You would have to get a 99-00 P2E ecu and then move/add some wires for the IACV if your car is a 5-speed or you could swap on the head from a D16y8. |
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04-17-2012, 09:52 PM
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Posts: 9
| what would i need to do if i chose to replace the head and put back a y8 again im guessing the timing and dizzy right? what else needs to be done? |
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04-18-2012, 01:03 AM
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Posts: 326
| You literally just remove the Y7 head and intake manifold and swap over the Y8 head and intake manifold. Dizzys/timing is the same between the two. You will have to swap over the knock sensor from the Y8 as well. |
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