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Tune for a bolt on Z?

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Old 03-21-2008, 02:28 AM
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Default Tune for a bolt on Z?

Well my buddy has hptuners what should we do.. I got LT's ORY, Cutout/catback, Pulley, lid/ramair, no emissions and a LS1 intake still

was going to have him tune AIR/EGR out, tune rear O2's out and raise redline to 6,200.. have my fans turn on alittle sooner
Old 03-21-2008, 08:53 AM
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I would tune the MAF table or the MAP table so that the LTFTs are between 0 and -5%. Doing this will assure that the PCM will not add extra fuel at WOT except from what is commanded in the related power enrichment fuel tables. Doing this and with the aid of a wide band O2 sensor, you can reliably acheive a desirable AFR at WOT.
Old 03-24-2008, 02:33 AM
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Originally Posted by Doc99SS
I would tune the MAF table or the MAP table so that the LTFTs are between 0 and -5%. Doing this will assure that the PCM will not add extra fuel at WOT except from what is commanded in the related power enrichment fuel tables. Doing this and with the aid of a wide band O2 sensor, you can reliably acheive a desirable AFR at WOT.
wish I had a wideband ($350) .. all we got is the laptop and tuner..

anyone else
Old 03-24-2008, 09:30 AM
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hold out for wideband...
Old 03-24-2008, 10:32 AM
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Yes, in order to tune effectively, you must have a tuner, data logger, and a WB. In the lastest tuners, the datalogging comes along.




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