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SVT Shelby GT500
Crower Stage 2 Street/Supercharger cams and exhaust setup
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<blockquote data-quote="RPM4DAZ" data-source="post: 13772297" data-attributes="member: 54154"><p>Are you referring to a lumpy idle or just a louder exhaust note? The mufflers and tubing size would change the note/sound level more than just cams would. If you want the lumpy idle characteristics, overlap causes this from the duration of the cams. What were your cams installed at? Meaning what is the lobe separation and lobe centers? Having them installed at a closer lobe separation will alter the power band some and increase the lumpiness at idle. Lowering the idle speed some can bring a little to it also. Changing your cam settings could require the need of a change in your tune also... I believe that most of the Crower stuff is ground on 114' lob/sep. I would probably close them up a bit to say 112' l/sep +2'. That should really help wake up the mid range and add a little bit of sound too. Air temps should still be ok too...</p></blockquote><p></p>
[QUOTE="RPM4DAZ, post: 13772297, member: 54154"] Are you referring to a lumpy idle or just a louder exhaust note? The mufflers and tubing size would change the note/sound level more than just cams would. If you want the lumpy idle characteristics, overlap causes this from the duration of the cams. What were your cams installed at? Meaning what is the lobe separation and lobe centers? Having them installed at a closer lobe separation will alter the power band some and increase the lumpiness at idle. Lowering the idle speed some can bring a little to it also. Changing your cam settings could require the need of a change in your tune also... I believe that most of the Crower stuff is ground on 114' lob/sep. I would probably close them up a bit to say 112' l/sep +2'. That should really help wake up the mid range and add a little bit of sound too. Air temps should still be ok too... [/QUOTE]
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SVT Shelby GT500
Crower Stage 2 Street/Supercharger cams and exhaust setup
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