Trailblazer SS Tuning
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FormerVendor
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Joined: Oct 2004
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From: Dearborn Heights, MI
Trailblazer SS Tuning We finally had the chance to tune a 2WD Trailblazer SS today.. the results were impressive to say the least. I guess everyone saying they are held back by the factory is an understatement. This particular truck had only a muffler welded into the factory catback and picked up 50 RWHP and 48 RWTQ just from tuning. We did another pull just to make sure we could back those numbers up and it made within 3 RWHP and RWTQ. The truck was hot when it got here and we found that the factory tune was pulling 8 degrees of timing. We fixed that along with the shift points and torque management.
Attached is a video of the truck on the dyno and an overlay of the stock pull and our tune.
Dyno Video/Graph
Dyno Video/Graph
Rick LeBlanc
Livernois Motorsports
Attached is a video of the truck on the dyno and an overlay of the stock pull and our tune.
Dyno Video/Graph
Dyno Video/Graph
Rick LeBlanc
Livernois Motorsports
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I dyno'd mine when it was really hot (the engine) so I assume the timing was backed out a lot (on the first couple of tries I could not figure out how to shut off the traction control / stabiltrack). At wide open throttle it would only go about 30 mph. After that it did around 309 sae stock. Most seem to be in the 32x range on a dynojet. The increased power and reduction in torque management from a tune makes these trucks alot more fun.
Originally Posted by REDWS6ROCKET
that is amazing!
Thats impressive. My mom has a 2006 2wd SS....what is the method for dynoing these trucks? I know my Lightning is 70mph with the overdrive off to keep from it kicking down and getting a bogus run. What is the mph/gear selected to go WOT on a dyno?
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Joined: Sep 2005
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Originally Posted by 2xLS1
The only thing amazing is that baseline. Here is a bone stock 2WD TBSS we dynoed. These are probably more tipical baseline numbers. The problem I see with these kinds of posts are TBSS owners who do not get 40 or 50 hp gains with a tune thinking they got a bad tune when it was the low baseline that produced those gains.
Just some info for you (and other trailblazer owners) this vehicle also had an a different exhaust which can cause an increase in airflow, to educate people that don't know, Gm uses a timing curve based on airflow, and unfortunally for people who modify there vehicles without a tune can sometimes have a reverse effect in horsepower, as I explained to this customer. The timing in the trailblazer is low from start, and it gets worse as you move up on the airflow scale, just as this vehicle did and may have had an impact on the baseline.
No one here wants to falsify any info to our customers or potential customers that why I wanted to make certain that it was explained before this thread gets out of hand.
In response to obzidion
yes we will also do tunes mail order
Thanks
Dan Millen
Livernois Motorsports
hey, i like it spelled better than way!!
Obzidion ...heheh... sounds like a name for one of the grreat titans tha truled before the time of zues...
Now, will that mail order require me to send you a PCM and have it locked to your parameters? seems logical that it would....
Obzidion ...heheh... sounds like a name for one of the grreat titans tha truled before the time of zues...
Now, will that mail order require me to send you a PCM and have it locked to your parameters? seems logical that it would....
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Joined: Sep 2005
Posts: 21
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Originally Posted by obZidian
hey, i like it spelled better than way!!
Obzidion ...heheh... sounds like a name for one of the grreat titans tha truled before the time of zues...
Now, will that mail order require me to send you a PCM and have it locked to your parameters? seems logical that it would....
Obzidion ...heheh... sounds like a name for one of the grreat titans tha truled before the time of zues...
Now, will that mail order require me to send you a PCM and have it locked to your parameters? seems logical that it would....
Yes you will have to send it to me, we can turn it around in one day though.
Thanks
Dan Millen