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Old Oct 18, 2008 | 12:06 AM
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enrobriaffej's Avatar
enrobriaffej
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From: DFW
Default IRS Question
how much would the IRS outweigh a solid rear axle? anyone know?
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Old Oct 18, 2008 | 02:44 AM
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Hlistr_07RR's Avatar
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I thought IRS was 150 lbs lighter. Maybe I'm getting my facts wrong
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Old Oct 18, 2008 | 02:52 AM
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70-80 lbs heavier depending on year.
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Old Oct 18, 2008 | 04:03 AM
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enrobriaffej
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cool. what i wanted to know
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Old Oct 18, 2008 | 08:54 PM
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562cobra
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I have heard 300 LBS heavier.
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Old Oct 18, 2008 | 09:29 PM
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Jazzer The Cat
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Houston.... we have a problem, 450#~ difference between our pepes!

***THIS*** site says 80#'s less.

Who do we believe...... YOU decide
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Old Oct 18, 2008 | 10:24 PM
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enrobriaffej
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good find
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Old Oct 19, 2008 | 01:50 PM
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its anywhere from 75 to 125 depending what sra you buy. If you go gt sra then its about 75lbs lighter than the IRS
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Old Oct 21, 2008 | 03:30 AM
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75lbs heavier than an 8.8 found in a GT. However the weight gain is sprung weight and the weight lost is unsprung weight, so its not a huge difference in weight. Also, you balance out weight distribution alot with the IRS.
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Old Oct 21, 2008 | 08:23 AM
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Originally Posted by Aereon
75lbs heavier than an 8.8 found in a GT. However the weight gain is sprung weight and the weight lost is unsprung weight, so its not a huge difference in weight. Also, you balance out weight distribution alot with the IRS.
What he said.
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