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PhilaTruck · 03-03-2008, 03:05 AM

You may be able to keep within your emissions standards with the head swap, but when you chase the power with the cam, you're probably gonna drop out of spec, depending on how strict they are in Reno.

03-03-2008, 03:05 AM	#21
PhilaTruck Right on the line, baby! Join Date: Oct 2003 Location: Phila, PA 19130 Posts: 1,486	Re: Performance help You may be able to keep within your emissions standards with the head swap, but when you chase the power with the cam, you're probably gonna drop out of spec, depending on how strict they are in Reno. __________________ 83 GMC 406 th400/3.73 Eaton Truetrac posi, headers, x pipe, & racePros. Tubular control arms, lowering rear springs, caltracs. Still ugly, but getting built right, although slowly Click and scroll down for site vendors! Subscribe here!