08-10-2009, 11:09 AM
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CC Member
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Join Date: Dec 2000
Location: Broken Arrow. OK ( South Tulsa), USA,
OK
Cobra Make, Engine: 66 COBRA FE 427 /4SP. (HCS Coupe w/ 408 Stroker and TKO 600 -sold)
Posts: 5,595
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Not Ranked
I think you are pretty much right on the spot for the springs if you are running a small block. If you are running an FE then you might want to go up to a 450-550# springs. The larger number would be if you are racing and that is just a guess because you would really need to have the weight at all four corners to determine the correct spring rates if you just wanted to go neutral.
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