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Old 06-17-2010, 08:22 PM   #5
85burb
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Join Date: Dec 2009
Location: lindale,tx
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Re: 08 silverado + ZEX

You can get the MSD 6012 box. It is for putting a carb on them but will also work with factory efi. Has a built in two step rev limiter and nitrous retard. You can also program your timing curve. But it is like 325 plus like 80 for the extra harness for the efi.
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Last edited by 85burb; 06-17-2010 at 08:25 PM.
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