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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2006 - 2009 TrailBlazer SS Tech > 06-09 SS Engine and Drivetrain > Engine Tunes/Mods

Engine Tunes/Mods Engine tuning and/or modifications

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  #11  
Old 04-03-2006, 02:26 AM
ScarabEpic22 ScarabEpic22 is offline
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not here not here not here
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Quote:
Originally Posted by GTPprix
Sorry man! I get about 250 PM's/emails a day and typically respond within 5-10 minutes so thats the best way to get ahold of us. It takes the same effort as posting and sends a message to my phone when they come in for quick response.
Yea man, you guys do a good job answering everyones quesitons quickly, I give you 2 !!
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  #12  
Old 04-03-2006, 10:04 AM
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blautens blautens is offline
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Not a knock or a ping in sunny (and recently very warm) South Florida...I'd wait a few tanks before getting too worried....
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  #13  
Old 04-03-2006, 12:30 PM
BLUBYU BLUBYU is offline
 
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Hummmm. Haven't had any issues!!
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  #14  
Old 04-04-2006, 04:06 PM
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Z06 Tom Z06 Tom is offline
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Mine does the same thing. I run BP 93 in my truck. I notice it at the top of the RPM band @ WOT. I still have the stock filter in my truck. I was gonna mention it to Chris when I send him my ECM for the CAI.
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  #15  
Old 04-04-2006, 04:44 PM
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GTPprix GTPprix is offline
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Hrmm the only issues we've ever seen with these so far is the states that are making the transition from MTBE to Ethanol as the main octane adder and dirty MAF's from K&N oil. Rest assured we'll do whatever it takes to make it right

This timing does make sense though with stations transitioning from Winter blends on the old MTBE fuel to the new summer fuel with Ethanol.

Also if you have any questions or concerns please feel free to call me! 586-453-7970
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  #16  
Old 04-05-2006, 10:51 AM
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ylab ylab is offline
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As of April 1st, we have the summer 'ethenol' blend here in NJ.....not sure, but I believe PA and NY might also now use the same formula as NJ. (Haven't heard anything about DE). I've noticed Fishhunter hasn't reported any ping/knock issues and he's in DE.

I would have thought that using ethanol would have been a better octane booster.....they use strait ethanol with crazy compression and boost levels for racing IRL cars. Problem is that ethanol doesn't vaporize very well in cold weather, so they still use oxygenated fuel with MTBE during the colder months. Wonder if the ping/knocking will stop with even warmer temps, when the alcohol can vaporize better? Also curious if the I6 tunes from Wester's exhibit the same knocking problems or not with the fuel changeover. (I haven't filled up since last week, so my tank still has the winter blend in it). - Interesting
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  #17  
Old 04-12-2006, 10:53 AM
STEALTH SS STEALTH SS is offline
 
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Just wanted to thank " Kirk " from Vector for the return phone call last week . It was good to talk to a human and not a computer . Sent the ecm back for some updates , should have it back this week .
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  #18  
Old 04-14-2006, 12:37 PM
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Z06 Tom Z06 Tom is offline
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I tried a tank of Sunoco 94 and a can of Torco, no knock at all. Man, this thing loves good fuel! Runs like a raped ape...
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  #19  
Old 04-14-2006, 12:59 PM
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Spong Spong is offline
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FYI, those of you getting Ethanol, look for about a 10% +/- drop in fuel economy. I hate ethanol!
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  #20  
Old 04-15-2006, 11:52 AM
Jspeeddemon Jspeeddemon is offline
 
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True ethanol or methanol has a high octane rating, but the 10% of the fuel that is alcohol also needs to be double fuel since you burn twice as much alcohol as gasoline. Enrich the tune 5% to compensate for lean detonation in states running the 10% ethanol blend.
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