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The Terminator
Terminator Talk
detonation?
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<blockquote data-quote="MoKo_03SVT" data-source="post: 9554169" data-attributes="member: 94865"><p>okay, so heres the deal. recently i swapped my upper pulley down to a 2.8. the install went fine, and all that, but i have noticed a new sound when at WOT. im not sure what the sound is, but i know what i hope the sound ISNT, and thats detonation. </p><p></p><p>ive done some searches on here, and what seems to be real common, is people describing the sound of detonation as rocks/marbles rolling around in a tin can. well....this is basically what it sounds like. the car runs fine, and pulls super hard with no hesitation, but i keep hearing this sound. the strange thing is, it is almost sounding like its coming from the shifter area, and not really the engine. the sound isnt super loud or anything, but i do hear it. </p><p></p><p>i guess my questions are: when you hear detonation, is it usually pretty loud? when it does happen, can you tell for sure that the sound is coming from the engine, and not anywhere else? i know with the extra power (when it all kicks in) there seems to be a few new rattles in the interior, so maybe im just being paranoid, and this is just a new rattle/noise?</p><p></p><p>i took my diablo predator and went into my tune and made it 1% richer and took off a little timing, to see if this would make the noise stop, but it still does it.</p><p></p><p>mods are: 2.8 upper, JLT RAI, Steeda cat-back, Diablosport predator (w/ canned tunes)</p><p></p><p>any help, suggestions, descriptions of detonation, etc. are greatly appreciated.</p></blockquote><p></p>
[QUOTE="MoKo_03SVT, post: 9554169, member: 94865"] okay, so heres the deal. recently i swapped my upper pulley down to a 2.8. the install went fine, and all that, but i have noticed a new sound when at WOT. im not sure what the sound is, but i know what i hope the sound ISNT, and thats detonation. ive done some searches on here, and what seems to be real common, is people describing the sound of detonation as rocks/marbles rolling around in a tin can. well....this is basically what it sounds like. the car runs fine, and pulls super hard with no hesitation, but i keep hearing this sound. the strange thing is, it is almost sounding like its coming from the shifter area, and not really the engine. the sound isnt super loud or anything, but i do hear it. i guess my questions are: when you hear detonation, is it usually pretty loud? when it does happen, can you tell for sure that the sound is coming from the engine, and not anywhere else? i know with the extra power (when it all kicks in) there seems to be a few new rattles in the interior, so maybe im just being paranoid, and this is just a new rattle/noise? i took my diablo predator and went into my tune and made it 1% richer and took off a little timing, to see if this would make the noise stop, but it still does it. mods are: 2.8 upper, JLT RAI, Steeda cat-back, Diablosport predator (w/ canned tunes) any help, suggestions, descriptions of detonation, etc. are greatly appreciated. [/QUOTE]
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