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PhilaTruck · 06-11-2008, 11:06 PM

I'm guessing the spherical can at the passenger corner of the engine bay.

Don't know if this will help, but here's my emissions vac diagram, 83 federal low altitude.

06-11-2008, 11:06 PM	#6
PhilaTruck Right on the line, baby! Join Date: Oct 2003 Location: Phila, PA 19130 Posts: 1,486	Re: A/C vacuum and wiring issues I'm guessing the spherical can at the passenger corner of the engine bay. Don't know if this will help, but here's my emissions vac diagram, 83 federal low altitude. Attached Images __________________ 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!