Originally Posted by ff_jeff No... order the tune... wait for it in the mail... get the tune and install all them at the same time. send your core ecm back in the mail. www.nelsonpeformance.com -------------------- eBay Motors: Lingenfelter GT2-3 Camshaft 350-383-427 LS1, LS2, LS6 (item 160242595281 end time Nov-16-08 06:25:59 PST) here is the cam then go turbo. Originally Posted by brobradh77 I thought the GT2-3 was mainly a FI cam it is, but it makes power na untill he gets a turbo, or supercharges it.
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