so im going to do a swap soon,from a y7 to a y8 or the di5 anyway wat would happen if i put the ex or si ecu in first b4 the engine? just curious..

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Nothin kike a 15 hour drive to let u know how your suspension is doing.
96 HB
Ya that silly wing is off now
Does it look like there are many TRACKS in my Area?

you would throw a check engine light.

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any proformance changes?

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Nothin kike a 15 hour drive to let u know how your suspension is doing.
96 HB
Ya that silly wing is off now
Does it look like there are many TRACKS in my Area?

Yea I'd say, probly run a tad rich and will have **** for low end being you will not be picking up a knock sensor which will pull timing to a certain extent being it will be in safe mode. You will be throwing CEL's for knock sensor, vtec, and IACV and it will affect everything from performance to gas milage.

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