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The Terminator
Suspension Modifications
BC coilovers 04 cobra coupe vrs billstein coilovers
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<blockquote data-quote="shurur" data-source="post: 16548255" data-attributes="member: 113850"><p>From what I have seen, for that front spring rate (400#), MM seems to recommend a difference (delta) of 150#+ like religion.</p><p>It's FTBR that only has a delta of 100#. It's about keeping a ratio between front to rear spring rates.</p><p></p><p>So if you had 350# front then the rear would need to be ~438# to be at the FTBR 400/500 ratio. </p><p>(So you would look for an actual spring closest to that 438# rate).</p><p>I think that the MM recommended delta for a 350# front spring would be larger than of a ~438# rear spring.</p><p></p><p>The delta gets larger as the front to rear weight ratio does; so the delta might be a bit more for the more nose heavy terminator...but I don't think it would be as large as MM seems to often recommend.</p><p></p><p>But then Bruce was running the stiffer eibach rear swaybar..still the MM delta seems larger than it needs to be...even with the OEM swaybar.</p><p></p><p>The taz cobra site talks about how the suspension works like a lever.</p><p></p><p>Bruce posted up for me in some thread I was getting jumped on. I can try to find it.</p><p></p><p>This site has a handy chart from the Taz site to show what handling mods do what in terms of oversteer and understeer. It can also be found on jrgoffin's terminator site.</p><p></p><p><a href="https://www.tazcobra.com/techdocs.htm#Handling%20Tweaks" target="_blank">Tech Docs</a></p><p><a href="http://www.terminator-cobra.com/suspension.htm" target="_blank">Suspension</a></p></blockquote><p></p>
[QUOTE="shurur, post: 16548255, member: 113850"] From what I have seen, for that front spring rate (400#), MM seems to recommend a difference (delta) of 150#+ like religion. It's FTBR that only has a delta of 100#. It's about keeping a ratio between front to rear spring rates. So if you had 350# front then the rear would need to be ~438# to be at the FTBR 400/500 ratio. (So you would look for an actual spring closest to that 438# rate). I think that the MM recommended delta for a 350# front spring would be larger than of a ~438# rear spring. The delta gets larger as the front to rear weight ratio does; so the delta might be a bit more for the more nose heavy terminator...but I don't think it would be as large as MM seems to often recommend. But then Bruce was running the stiffer eibach rear swaybar..still the MM delta seems larger than it needs to be...even with the OEM swaybar. The taz cobra site talks about how the suspension works like a lever. Bruce posted up for me in some thread I was getting jumped on. I can try to find it. This site has a handy chart from the Taz site to show what handling mods do what in terms of oversteer and understeer. It can also be found on jrgoffin's terminator site. [URL='https://www.tazcobra.com/techdocs.htm#Handling%20Tweaks']Tech Docs[/URL] [URL='http://www.terminator-cobra.com/suspension.htm']Suspension[/URL] [/QUOTE]
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