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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 Vortec 4.2L I-6 Engine and Drivetrain > Engine Tunes/Mods

Engine Tunes/Mods Performance Engine Tuning/Engine Modifications

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  #1  
Old 09-14-2019, 07:03 AM
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dh4645 dh4645 is offline
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2005 Chevy TrailBlazer LT EXT
Silverstone Metallic 4.2L I6 4X4
Join Date: Aug 2005
Location: PA
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05 pcm ecm

I had bought a modded pcm ecm on here forever ago to try and get better had mileage, but still have my original. What should I do with it?

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  #2  
Old 09-23-2019, 07:34 PM
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antraw antraw is offline
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2006 GMC TrailBlazer LS
Black 5.3L V8 4X4
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Quote:
Originally Posted by dh4645 View Post
I had bought a modded pcm ecm on here forever ago to try and get better had mileage, but still have my original. What should I do with it?

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Have it flashed with the new calibrations and hold on too it as a just in case!
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Old 09-23-2019, 07:40 PM
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dh4645 dh4645 is offline
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2005 Chevy TrailBlazer LT EXT
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Join Date: Aug 2005
Location: PA
Posts: 702
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Have it flashed with the new calibrations and hold on too it as a just in case!
Thanks. Thinking of putting all my factory stuff back on... Minus the pcm/ecm... Before trading it in for an actual truck.

So I'll probably sell that, my custom wheels & headlights/taillights somewhere.

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Old 09-23-2019, 07:42 PM
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antraw antraw is offline
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2006 GMC TrailBlazer LS
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Send pics of your sales? I might buy
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Old 09-23-2019, 08:01 PM
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dh4645 dh4645 is offline
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2005 Chevy TrailBlazer LT EXT
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Location: PA
Posts: 702
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Send pics of your sales? I might buy
Ok. I'll message you

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