DSE subframe spring rate

[Efi69Cam]

My DSE frame was originally ordered for a BBC and was shipped with 525lb springs. I have switched plans and am going to install a wet sump LS7. I noticed on the DSE site that the current specs are 550 for SBC/LS and 650 for BBC. Is the spring rate increased due to some other change in the frame or shocks? Will the springs I have be acceptable with the ls?

[frankv11]

My DSE sub came with 8" 450s for Ls but with super charger and heat exchanger Etc .. It's no Bueno . So I called and they recommended 650s. Give them a call they great to deal with .

[thedugan]

My DSE sub came with 8" 450s for Ls but with super charger and heat exchanger Etc .. It's no Bueno . So I called and they recommended 650s. Give them a call they great to deal with .


Resurfacing an old post. How did the 650pound springs work for you. I am running an LSA in my dse frame and the current springs are maxed out on height. I need to raise my front end am inch with some new springs.


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