Offroad Trailblazers and Envoys

Horsepower? How to get it?

Trailblazer and Envoy related, but not off-road related...

by cpyonker » Mon Feb 12, 2018 11:37 pm

So I have been poking around for a while and haven’t found to much in regards to horsepower increases. I did find a supercharger and a turbo (both way out of my price range).
So I was wondering what some of you guys have done to get a little more. Freer flowing exhaust perhaps or maybe a cold air intake? I know on some makes and models you can exchange things like throttle bodies to get more horsepower: is there stuff like that for the trailblazer?


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by Diacom » Tue Feb 13, 2018 1:06 pm

General consensus is a CAI does not really improve power for our platform.

There is a header available, it does more for cracking manifold reduction as well as some improvements.

Full exhaust isn't a big improvement either.

Generally a PCM tune helps as well.

Not much in the way for Turbo or Superchargers either as they affect reliability and are expensive as a mod when other things improve off road performance more for less.

Note this is for the i6 models not so much the v8 models.
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by NC_IslandRunner » Tue Feb 13, 2018 5:03 pm

cpyonker wrote:So I have been poking around for a while and haven’t found to much in regards to horsepower increases. I did find a supercharger and a turbo (both way out of my price range).
So I was wondering what some of you guys have done to get a little more. Freer flowing exhaust perhaps or maybe a cold air intake? I know on some makes and models you can exchange things like throttle bodies to get more horsepower: is there stuff like that for the trailblazer?


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The reason you don't see a lot about HP increase is because it is not needed and just a waste of $$, you already have enough power to destroy anything in the driveline. Your money is better put into gears, suspension and armor.
IF THE FISH STOP BITING... HUNT FOR SHELLS!!!
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by cpyonker » Wed Feb 14, 2018 12:40 am

Thank you


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