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4.2L programming

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Old Nov 4, 2005 | 01:54 PM
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Default 4.2L programming

Is there any programs available out there to do tuning on a 4.2L I6 out of a trailblazer?
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Old Nov 4, 2005 | 02:11 PM
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for the Trailblazer/ Envoy?
someone mentioned that Wester's had a tune for it, but that's the only one that I've heard of....
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Old Nov 4, 2005 | 02:19 PM
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i think Jet has a stage 1 & 2 chip for it.
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Old Nov 4, 2005 | 02:55 PM
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I was thinking more along the line of HPtuner where I could edit the ecu, rather than a plug n play type tuner

what is westers?
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Old Nov 4, 2005 | 03:37 PM
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Originally Posted by Ackattack1
I was thinking more along the line of HPtuner where I could edit the ecu, rather than a plug n play type tuner

what is westers?
i haven't heard of anything like hpt for the i6 but that doesn't mean it doesn't exist.

wester's is a custom tuner.
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