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SVTPerformance's Chain of Restaurants
The Blower Bistro
stronger IRS?
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<blockquote data-quote="Jimmysidecarr" data-source="post: 6116673" data-attributes="member: 11681"><p>Tom's right.</p><p></p><p>If you are more into drag racing, a solid rear axle will be much more reliable and less expensive over the long run.</p><p></p><p>The 99s have 28 spline axles too I believe. The 03/04 Cobra IRS is the strongest one. The 01 has 31 splines but lacks one of the braces and has less firm bushings, than the 03/04.</p><p>Even then drag racing, even on a stock engine, can and does break parts back there when it hops or on a sticky tire hard launch.</p><p></p><p>It can be done if you want to retain the IRS, <strong><span style="font-size: 12px">but</span></strong> you are looking at Delrin bushings, better axles(31 spline w/31 spline axle gears), added bracing(Mathis and cover brace), AND BE READY TO BUY ADDITIONAL AXLES because even the level fives have been known to break.</p><p></p><p>The handling and ride quality will suffer some converting to a SRA. But for heavy drag duty it is the way to go.</p><p></p><p>For street, autocross and open track a Delrin bushed IRS can't be beat! It is the only way to rock! IMHO</p></blockquote><p></p>
[QUOTE="Jimmysidecarr, post: 6116673, member: 11681"] Tom's right. If you are more into drag racing, a solid rear axle will be much more reliable and less expensive over the long run. The 99s have 28 spline axles too I believe. The 03/04 Cobra IRS is the strongest one. The 01 has 31 splines but lacks one of the braces and has less firm bushings, than the 03/04. Even then drag racing, even on a stock engine, can and does break parts back there when it hops or on a sticky tire hard launch. It can be done if you want to retain the IRS, [B][SIZE="3"]but[/SIZE][/B] you are looking at Delrin bushings, better axles(31 spline w/31 spline axle gears), added bracing(Mathis and cover brace), AND BE READY TO BUY ADDITIONAL AXLES because even the level fives have been known to break. The handling and ride quality will suffer some converting to a SRA. But for heavy drag duty it is the way to go. For street, autocross and open track a Delrin bushed IRS can't be beat! It is the only way to rock! IMHO [/QUOTE]
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SVTPerformance's Chain of Restaurants
The Blower Bistro
stronger IRS?
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