Honda Civic Forum - Engine swap dx to ex

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- SOHC D17Ax non-VTEC - VTEC Engine Swaps (https://www.civicforums.com/forums/349-sohc-d17ax-non-vtec-vtec-engine-swaps)

- - Engine swap dx to ex (https://www.civicforums.com/forums/349-sohc-d17ax-non-vtec-vtec-engine-swaps/386926-engine-swap-dx-ex.html)

Dj fuze

02-12-2023 10:19 PM

Engine swap dx to ex

Can I use the non VTEC ECU and harness on the ex engine jdm swap if I'm block off the vtech is that possible

sdaidoji

02-12-2023 11:46 PM

Re: Engine swap dx to ex

yes
the VTEC will simply be dead weight without the ECU that controls it
probably will work worse than original engine in higher RPM (only 3 valves working, hard to breathe)

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