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Old 01-06-2008, 05:53 PM
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changing coil springs

thankyou for the web site, i have a 51 merc with a sbc in it. it has a late 70,s nove front clip with coils from the nova , with 1&half coils cut. will be installing a bbc in it soon, i have been told to change front coils to the smaller diameter coil from a firebird late 60"s please advise with your comments on application, kindness regards joe

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Old 01-06-2008, 11:11 PM
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Coil springs

Most larger cities will have shops that recondition springs,check the yellow pages.They will have charts that will give you the specs you need to make the swap.
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Old 01-07-2008, 06:08 AM
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I would leave as is and change engine first as this will not make it harder to change springs later. Then who knows ,you might like the new ride hight. Stand on the front bumper and unless you are extra small it should give you an idea of how it will sit with the BBC.The main thing I would want is a front sway bar. Does your car have one?
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Old 01-07-2008, 07:19 AM
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You may have to go with some uncut springs. If your merc is already slammed ,the big block you are planning will drop the front more because of the extra weight. I would try a set of uncut small block springs before you go get some big block springs because big block springs will lift the front up alot. Un-cut small block springs IMHO should put you back around where you are now if you want the same ride height.
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