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Jeff Lee · 10-07-2008, 06:53 PM

I've always run both the primary and secondary needle and seat assemblies. I do run a return style regulator. Like I said, just under
7#'s has not been an issue.
I did purchase one ofthe Gross-Jet assemblies. They sent the wrong p/n twice and I gave up. Never did get my money back either!

10-07-2008, 06:53 PM	#24
Jeff Lee VIP Member Join Date: Jul 2007 Location: Anthem, Arizona Posts: 2,766 Likes: 0 Liked 3 Times in 3 Posts	Re: motorcraft 4300 carb info I've always run both the primary and secondary needle and seat assemblies. I do run a return style regulator. Like I said, just under 7#'s has not been an issue. I did purchase one ofthe Gross-Jet assemblies. They sent the wrong p/n twice and I gave up. Never did get my money back either! __________________ Jeff Lee 7494 D/S '70 AMX