NA Racing Beat Spring rates - Miata Turbo Forum - Boost cars, acquire cats.

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Old 04-28-2010, 10:49 AM   #1
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Default NA Racing Beat Spring rates

Does anyone know what the actual spring rates are on the NA Racing Beat lowering springs? Couldn't find any values on this forum or m.net.
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Old 04-28-2010, 11:22 AM   #2
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did u call them up?
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Old 04-28-2010, 11:22 AM   #3
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Don't know exact rates but they aren't much stiffer than stock springs.
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Old 04-28-2010, 11:23 AM   #4
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157/106 lb./in
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Old 04-28-2010, 12:12 PM   #5
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Wow, I didn't know they were that soft. I bought them right when I got my 91 miata and didn't know much about them back then. I must be riding on the bumpstops then because it feels alot harsher than my wifes 97 with factory suspension. I am running AGX's set all the way soft fo the street so I am sure they are not making the ride that harsh.

Now if I can get them less harsh and swap them over to my wife's 97 so I can have a reason to stick on some coilovers on my 91.

If I swap the 91 (RB +AGX) suspension over to the 97, would I be better off just swapping the AGX's(15k miles on them) over to my wifes miata, keeping the stock springs rather than swapping the Racing Beat springs?
We do a good bit of spirited driiving in the mountains, the occasional autocross and a track day every now and again. She doesn't want it any harsger than it is right now with factory springs.
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Old 04-29-2010, 07:24 PM   #6
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They ride stiffer than they look on paper because your car turns into a bumpstop mobile with effectively a real progressive spring rate about half of which is supplied by the bump stops.

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