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Rattling at Full Throttle

Old 05-21-2009, 10:24 PM
  #21  
GTItoGT
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Originally Posted by Lifter583
It is amazing how things can be different with "alike cars"
I run Brenspeeds 93 oct. tune on 92 oct gas...never a sound. I am VERY care what brand of gas I use.
yeah I had a good conversation with one of the techs at brenspeed about that. He says after doing hundreds of cars, some can run it, some cant. He said alot of it comes from where you are. Their example being a BP station in MD's 93 octane gas may not be on par with that of a BP station in Indiana even at the same octane rating. From what I could gather, this motor is also more prone to this issue than others. I asked if there was any permanent damage from this issue and he did say I should be just fine. They are willing to do a 91octane file for me as well. It just kinda annoys me that I didnt recognize it for what it was. I wonder if the car will actually perform better on the 91 octane file.... I guess we'll see. I never had a complaint about that though, the car ran its *** off every time I got on it.
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Old 05-21-2009, 11:37 PM
  #22  
AmericanMuscle4.6GT
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my "rattling" can only be heard if i am sitting still, have the door open, and rev it up to like 4500 and while its at 4500 floor it, doing like little throttle blips.
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