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The Terminator
Terminator Talk
Viking double adjustable rear IRS coilover kit.
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<blockquote data-quote="KBR" data-source="post: 15830039" data-attributes="member: 186018"><p>I'm thinking about trying them...was wondering what you would run? MM rep recommended #325 front #475 rear for all purpose use. I just want to lower the car, have it ride decent, and have it setup for occasional track(priority: 1. street handling, 2. dragstrip, 3. autocross), I know there is not a setup that will work to the ultimate highest level for all, but something middle of the road that has good manners in all settings. </p><p></p><p>also if the vikings are 2.5" or 2.25" for clearance issues..I read somewhere Qa1s are 2.5 and interfere with pinch weld.</p><p></p><p>for future reference from another thread: The wheel rate for the rear of a Mustang with IRS is approximately 33% of the spring rate in the stock location. For example, a 600 lb/in stock location spring has a wheel rate of 198 lb/in. For a coil-over suspension, the wheel rate is approximately 50% of the coil-over spring rate.</p><p></p><p>many guys really like H&R race springs, so I think that should be a good place to start from.</p><p></p><p>if I did the math right the equivalent to stock rears would be about #400</p><p>H&R race would come out to about #500</p><p></p><p>2003 SVT Cobra (Conv.) OEM 500 470 (IRS)</p><p>2003 SVT Cobra Coupe OEM 600 600 (IRS)</p><p>H&R Race 760-850 770 1.6 1.5</p></blockquote><p></p>
[QUOTE="KBR, post: 15830039, member: 186018"] I'm thinking about trying them...was wondering what you would run? MM rep recommended #325 front #475 rear for all purpose use. I just want to lower the car, have it ride decent, and have it setup for occasional track(priority: 1. street handling, 2. dragstrip, 3. autocross), I know there is not a setup that will work to the ultimate highest level for all, but something middle of the road that has good manners in all settings. also if the vikings are 2.5" or 2.25" for clearance issues..I read somewhere Qa1s are 2.5 and interfere with pinch weld. for future reference from another thread: The wheel rate for the rear of a Mustang with IRS is approximately 33% of the spring rate in the stock location. For example, a 600 lb/in stock location spring has a wheel rate of 198 lb/in. For a coil-over suspension, the wheel rate is approximately 50% of the coil-over spring rate. many guys really like H&R race springs, so I think that should be a good place to start from. if I did the math right the equivalent to stock rears would be about #400 H&R race would come out to about #500 2003 SVT Cobra (Conv.) OEM 500 470 (IRS) 2003 SVT Cobra Coupe OEM 600 600 (IRS) H&R Race 760-850 770 1.6 1.5 [/QUOTE]
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Terminator Talk
Viking double adjustable rear IRS coilover kit.
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