Tuning Options

[fnkngrv]

Any piggyback will require feedback from its own o2 sensor and it needs to be a wideband. To be realistic you will be spending between $750-2000 when it is said and done between piggyback, harness, sensor, Dyno pulls, etc. Also because the stock ECM does a hell of a job correcting itself you will probably have issues every so often with it putting you back to 14.7 afr. I am pretty sure that Jason didn't see his gains until he installed his JUN NA Cam set which runs $1000 for the pair from JUN directly. My two cents is that you are chasing futility. The only reason why anyone has done a piggyback with this car NA is because they race with it in some form. That is the only justification for the investment. If you are going to spend upwards of $1000+ then you might as well research that 2zr swap as it is relatively straight forward, will be OEM reliable, and net around 130hp rather than the 106hp at the crank. Scott got to ride in the swapped rig AFAIK while on a trip and came away pretty impressed.

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[Jason@SportsCar]

Originally Posted by fnkngrv

Any piggyback will require feedback from its own o2 sensor and it needs to be a wideband. To be realistic you will be spending between $750-2000 when it is said and done between piggyback, harness, sensor, Dyno pulls, etc. Also because the stock ECM does a hell of a job correcting itself you will probably have issues every so often with it putting you back to 14.7 afr. I am pretty sure that Jason didn't see his gains until he installed his JUN NA Cam set which runs $1000 for the pair from JUN directly. My two cents is that you are chasing futility. The only reason why anyone has done a piggyback with this car NA is because they race with it in some form. That is the only justification for the investment. If you are going to spend upwards of $1000+ then you might as well research that 2zr swap as it is relatively straight forward, will be OEM reliable, and net around 130hp rather than the 106hp at the crank. Scott got to ride in the swapped rig AFAIK while on a trip and came away pretty impressed.

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That is incorrect, we saw gains in Tq and HP on the stock motor with our ECU - actually the ECU was worth more than the cams. The OE tune is very conservative on fuel, ignition, and RPM. To replicate my setup would be about $3000 with the tune.

[fnkngrv]

Originally Posted by Jason@SportsCar

That is incorrect, we saw gains in Tq and HP on the stock motor with our ECU - actually the ECU was worth more than the cams. The OE tune is very conservative on fuel, ignition, and RPM. To replicate my setup would be about $3000 with the tune.

Ah ok. I stand corrected. :-). Good to know!

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